Text

Cimarron Corporation 1999 Final Status Survey Report for Sub-Area I, Part 5 of 7
	ML20212L552
Person / Time
Site:	07000925
Issue date:	06/29/1999
From:	; Cimarron Corp
To:	; Office of Nuclear Material Safety and Safeguards
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ML20212L572	List: ML20212L527; ML20212L541; ML20212L543; ML20212L552; ML20212L556; ML20212L561; ML20212L571;
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06/15/99 CIMARRON CORPORATION - CIMARRON FACILITY ALPHA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I" PLUTONIUM YARD FENCE SURVEY (AFFECTED) n = DPM /1OOcm 2 le Number 851 852 n

682.0 187.0 (n*N) 364.91

-130.09 (n-N) 2 133159.75 16923.25 Number 901 902 n

286.0 198.0 (n-N)

-31.09 ln-N)2 966 .55

-119.09 14182.28 853 363.0 45.91 2107.78 903 352.0 34.91 1218.75 854 863.0 545.91 298018.39 904 132.0 -185.09 34258.08 855 913.0 595.91 355109.45 905 286.0 -31.09 966.55 856 649.0 331.91 110164.65 906 418.0 100.91 10182.95 857 363.0 45.91 2107.78 907 198.0 -119.09 14182.28 858 242.0 -75.09 5638.42 908 176.0 -141.09 19906.22 859 330.0 12.91 166.68 909 231.0 -86.09 7411.38 860 88.0 -229.09 52481.95 910 220.0 -97.09 9426.35 861 330.0 12.91 166.68 911 297.0 -20.09 403.58 862 220.0 -97.09 9426.35 912 352.0 34.91 1218.75 863 264.0 -53.09 2818.48 913 286.0 *31 .09 966.55 864 297.0 -20.09 403.58 914 198.0 -119.09 14182.28 865 187.0 -130.09 16923.25 915 121.0 -196.09 38451.05 866 187.0 -130.09 16923.25 916 132.0 -185.09 34258.08 867 198.0 -119.09 14182.28 917 209.0 -108.09 11683.32 868 187.0 -130.09 16923.25 918 319.0 1.91 3.65 869 242.0 -75.09 5638.42 919 372.0 54.91 3015.17 870 330.0 12.91 166.68 920 198.0 -119.09 14182.28 871 429.0 111.91 12523.98 921 220.0 -97.09 9426.35 872 209.0 -108.09 11683.32 922 253.0 -64.09 4107.45 873 341.0 23.91 571.72 923 330.0 12.91 166.68 874 209.0 -108.09 11683.32 924 352.0 34.91 1218.75 875 297.0 -20.09 403.58 925 275.0 -42.09 1771.52 876 220.0 -97.09 9426.35 926 121 .0 -196.09 38451.05 877 275.0 -42.09 1771 .52 927 165.0 -152.09 23131.18 878 759.0 441.91 195284.9.8 928 132.0 -185.09 34258.08 879 704.0 386.91 149699.81 929 297.0 -20.09 403.58 880 880.0 562.91 316868.35 930 418.0 100.91 10182.95 881 462.0 144.91 20999.08 931 418.0 100.91 10182.95 882 231.0 -86.09 7411.38 932 198.0 -119.09 14182.28 883 154 .0 -163.09 26598.15 933 143.0 -174.09 30307.12 884 209.0 -108.09 11683.32 934 165.0 -152.09 23131.18 885 209.0 -108.09 11683.32 935 385.0 67.91 4611.85 886 330.0 12.91 166.68 936 352.0 34.91 1218.75 887 374.0 56.91 3238.82 937 396.0 78.91 6226.88 888 341.0 23.91 571.72 938 286.0 -31.09 966.55 889 275.0 -42.09 1771.52 939 462.0 144.91 20999.08 890 165.0 -152.09 23131.18 940 275.0 -42.09 1771.52 891 902.0 584.91 342120.41 941 275.0 -42.09 1771.52 892 418.0 100.91 10182.95 942 286.0 -31.09 966.55 893 198.0 -119.09 14182.28 943 473.0 155.91 24308.12 894 330.0 12.91 166.68 944 385.0 67.91 4611.85 895 341.0 23.91 571.72 945 462.0 144.91 20999.08 896 99.0 -218.09 47562.99 946 891.0 573.91 329373.38 897 319.0 1.91 3.65 947 176.0 -141.09 19906.22 898 231 .0 -86.09 7411.38 948 132.0 -185.09 34258.08

899 900 198.0 275.0 17506.0 Sum(n}

-119.09

-42.09 14182.28 1771.52 2314778.3 Sum(n*Nl2 949 950 110.0 154.0 13968.0 Sumln)

-207.09 42886.02

-163.09 26598.15 973460.9 Sum(n-N)2 PAGE 10 OF 11 C:\OFFICE\QPI.N\FSSRS\PUYAFACM.WB2

06/15/99 CIMARRON CORPORATION - CIMARRON FACILITY ALPHA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I" PLUTONIUM YARD FENCE SURVEY (AFFECTED) n = DPM /1 OOcm 2 Number n (n-N) (n-NP Number n (n-N) (n*N)2 951 1749.0 1431.91 2050367.97 1001 0.0 0.00 0.00 952 1133.0 815.91 665710.11 1002 0.0 0.00 0.00 953 2046.0 1728.91 2989131 .87 1003 0.0 0.00 0.00 954 286.0 -31.09 966.55 1004 0.0 0.00 0.00 955 66.0 -251.09 63045.89 1005 0.0 0.00 0.00 956 99.0 -218.09 47562.99 1006 0.0 0.00 0.00 957 286.0 -31.09 966.55 1007 0.0 0.00 0.00 958 143.0 -174.09 30307.12 1008 0.0 0.00 0.00 959 154.0 -163.09 26598.15 1009 0.0 0.00 0.00 960 1342.0 1024.91 1050441.74 1010 0.0 0.00 0.00 961 1364.0 1046.91 1096021.81 1011 0.0 0.00 0.00 962 1859.0 1541.91 2377488.31 1012 0.0 0.00 0.00 963 0.0 0.00 0.00 1013 0.0 0.00 0.00 964 0.0 0.00 0.00 1014 0.0 0.00 0.00 965 0.0 0.00 0.00 1015 0.0 0.00 0.00 966 0.0 0.00 0.00 1016 0.0 0.00 0.00 967 0.0 0.00 0.00 1017 0.0 0.00 0.00 968 0.0 0.00 0.00 1018 0.0 0.00 0.00 969 0.0 0.00 0.00 1019 0.0 0.00 0.00 970 0.0 0.00 0.00 1020 0 .0 0.00 0.00 971 0.0 0.00 0.00 1021 0.0 0.00 0.00 972 0.0 0.00 0.00 1022 0 .0 0.00 0.00 973 0.0 0.00 0.00 1023 0.0 0.00 0.00 974 0.0 0.00 0.00 1024 0.0 0.00 0.00 975 0.0 0.00 0.00 1025 0.0 0.00 0.00 976 0.0 0.00 0.00 1026 0.0 0.00 0.00 977 0.0 0.00 0.00 1027 0.0 0.00 0.00 978 0.0 0.00 0.00 1028 0.0 0.00 0.00 979 0.0 0.00 0.00 1029 0.0 0.00 0.00 980 0.0 0.00 0.00 1030 0.0 0.00 0.00 981 0.0 0.00 0.00 1031 0.0 0.00 0.00 982 0.0 0.00 0.00 1032 0.0 0.00 0.00 983 0.0 0.00 0.00 1033 0.0 0.00 0.00 984 0.0 0.00 0.00 1034 0.0 0.00 0.00 985 0.0 0.00 0.00 1035 0.0 0.00 0.00 986 0.0 0.00 0.00 1036 0.0 0.00 0.00 987 0.0 0.00 0.00 1037 0.0 0.00 0.00 988 0.0 0.00 0.00 1038 0.0 0.00 0.00 989 0.0 0.00 0.00 1039 0.0 0.00 0.00 990 0.0 0.00 0.00 1040 0.0 0.00 0.00 991 0.0 0.00 0.00 1041 0.0 0.00 0.00 992 0.0 0.00 0.00 1042 0.0 0.00 0.00 993 0.0 0.00 0.00 1043 0.0 0.00 0.00 994 0.0 0.00 0.00 1044 0.0 0.00 0.00 995 0.0 0.00 0.00 1045 0.0 0.00 0.00 996 0.0 0.00 0.00 1046 0.0 0.00 0.00 997 0.0 0.00 0.00 1047 0.0 0.00 0.00 998 0.0 0.00 0.00 1048 0.0 0.00 0.00

999 0 .0 0.00 0.00 1049 0.0 0.00 0.00 1000 0.0 0.00 0.00 1050 0.0 0.00 0.00 10527.0 10398609.1 0.0 0.0 Sum(n) Sum(n-N)2 Sum(n) Sum(n-N' PAGE 11 OF 11 C:\OFFICE\QPW\FSSRS\PUYAFACM.WB2

06/15/99 CIMARRON CORPORATION

CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS . GUIDELINE VALUE AT 95'1/e CONFIDENCE AREA "I" PLUTONIUM YARD FENCE SURVEY (AFFECTED) n = DPM /100cm*

Number n (n-N) (n-N}' No. of Samples (x) : 962 1 897.0 96.6 9332 .5 2 1196.0 395.6 156503.3 COUNT TIME: 0.5 MINUTES 3 874.0 73.6 5417.7 4 1978.0 1177.6 13B6753.5 Sampl~ Mean fN) = Sum(n) +,,_(x.,_)- - - ~

5 2001 .0 1200.6 1441452.3 Sampl

Mean (NI: J 800.40 6 2047 .0 1246.6 1554024.0 7 874.0 73.6 5417.7 8 1196.0 395.6 156503.3 9 1840 .0 1039.6 1080778.5 10 1564 .0 763.6 583092.6 Standa d Deviation (Sd) = SQRT [(n-N)* + (x

1)]

11 1702.0 901.6 812891.6 12 1104.0 303.6 92176.0 13 184 .0 -616.4 379942.8 Stand rd Deviation : 645.30 14 644 .0 -156.4 24459.4 2 St~ Deviations: 1290.59 15 552.0 -248.4 61700.1 Oegree lof Freedom(df). 2 {x) -1 Data listed on Table B-1 16 1012.0 211.6 44776.7 : (df) = I 1.645 I 17 0.0 -800.4 640632.2 18 1058.0 257.6 66360.3 Area's ~verage Level (Aµ) " IN) + (df} x f(Sd)/SQRT(X)]

19 1158.0 357.6 127881.3 I 20 1242.0 441.6 195015.0 I (Aµ}= 834.62 DPM /100cm*

21 1311 .0 510.6 260717.5 i---cs=-=oc--:o=-=o=---1 o PM /100cm 2 22 713 .0 -87.4 7637.9 GUIIEUNE VALUE :

i--..,.so_o__o___o_

PM

/100cm*

Accept Ible Level:

23 7B2 .0 -18.4 338.4 24 460.0 -340.4 115868.8 25 736.0 -64.4 4146.7 TABLE B

1 26 483.0 -317.4 100739.6 Factprs for Comparision of Survey Data with Guidelines 27 1426.0 625.6 391381.6 (df) 953/4 97.5% (df) 95'/, 97.5%

28 1219.0 418.6 175230.1 1, 6.314 12.706 19 1.729 2.093 29 1748.0 947.6 897955.2 2 2.92 4.303 20 1.725 2.086 30 10B1 .0 280.6 78739.2 3 2.353 3.182 21 1.721 2.08 31 529.0 -271.4 73655.3 4 2.132 2.776 22 1.717 2.074 32 1357.0 556.6 309809.1 5' 2.015 2.571 23 1.714 2.069 33 1081.0 280.6 78739.2 6, 1.943 2.447 24 1.711 2.064 34 1817.0 1016.6 1033485.7 7 l 1.895 2.365 25 1.708 2.06 35 805.0 4.6 21.2 Bi 1.86 2.306 26 1.706 2.056 36 414.0 -386.4 149301.1 91 1.833 2.262 27 1.703 2.052 37 989.0 188.6 35571.8 10 ! 1.812 2.228 28 1.701 2.048 38 667 .0 -133.4 17794.2 11 1.796 2.201 29 1.699 2.045 39 1265.0 464.6 215857.8 12 1.782 2.179 30 1.697 2.042 40 1564 .0 763.6 583092.6 13 1.771 2.16 40 1.684 2.021 41 1173.0 372.6 138834.5 14 1.761 2.145 60 1.671 2 42 1863.0 1062.6 1129129.4 15 1.753 2.131 120 1.658 1.98 43 943 .0 142.6 20336.2 16 1.746 2.12 400 1.649 1.966 44 1587 .0 786.6 618747.4 17 1.74 2.11 Infinite 1.645 1.96 45 2047 .0 1246.6 1554024.0 18 1.734 2.101 46 1035.0 234.6 55039.5 47 2760.0 1959.6 3840051.7 48 1656.0 855.6 732059.9 For val..s of Degroos of Freedom not listed :

49 759.0 -41.4 1713.5 Interpolate betw&en the listed,--va_lu_e_s._ _-,-- - - . - - - - . . . . . - - - - ,

50 1518.0 717.6 514956.9 Cdf) high value(Z) __ IN_F_lN_JT_E_+-_,_ *s~B~-+--1_.64_5-+--_9_5_'/*--,

49540.0 15357705.0 ldf) low valuefY) _ _4_0_0_--+_i_s~A~_._,_1_.64_9__,__s_s_r*~

40570.0 11272033.5 Desired value(df) (X) 961 Is calculated as follow:

27876.0 13172402.0 PE:;:::::*:~(X~~ ~

EXP[( Cln{B}*Ln(A)) + IZ*Yl l,...(X_*_Y)._+_L.c..n;.,..(A..,_}...._1-.----.---~

26542.0 11709597.9 1.645 951/4 42274.0 17890379.3 65262.0 34403794.3 65711.0 36934930.6 44091.0 37201330.8 35012.0 11515230.4 31098.0 19923600.6 34339.0 17262377.1 REVIEWED BY: 1.J _<"l. ~ DATE: 6 -/,- 1'J 30636.0 16801369.6 30388.0 15493699.5 34685.0 17834975.8 44928.0 21513368.6 49124.0 15624357.7 42146.0 16717910.4 2542.0 29333988.4 14305.0 18243947.8 0.0 0.0 total 769980 400167085.9 Sum(n) Sum{n-N)' PAGE 1 OF 11 C:\0FFICE\QPWIFSSRS\PUYAFBCM.WB2

06/15/99 CIMARRON CORPORATION

CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I" PLUTONIUM YARD FENCE SURVEY (AFFECTED) n = OPM /100cm 2 Number n (n-N) {n-N) 2 Number n {n-N} (n-N} 2 51 1495,0 694.6 482476.09 101 506.0 -294.4 86668.42 52 1564.0 763.6 583092.58 102 920.0 119.6 14305.35 53 1748.0 947.6 897955.22 103 0.0 -800.4 640632.17 54 2668.0 1867.6 3487948.40 104 1516,0 715.6 512090.50 55 1035.0 234.6 55039.50 105 1725.0 924.6 854894.39 56 943 .0 142.6 20336.18 106 0.0 -800.4 640632.17 57 736 .0 -64.4 4146.72 107 598.0 -202.4 40963.74 58 1242.0 441.6 195014.97 108 299.0 -501.4 251396.96 59 2162.0 1361.6 1853968.15 109 1081.0 280.6 78739.16 60 1725.0 924.6 854894.39 110 184.0 -616.4 379942.81 61 989.0 188.6 35571.84 111 966.0 165.6 27425.01 62 713.0 -87.4 7637.89 112 1725.0 924.6 854894.39 63 1541.0 740.6 548495.75 113 1173.0 372.6 138834.48 64 1173.0 372.6 138834.48 114 1196.0 395.6 156503.31 65 1909.0 1108.6 1229005.02

115 874.0 73.6 5417.69 66 1196.0 395.6 156503.31 : 116 322.0 -478.4 228861.79 67 667.0 -133.4 17794.23 117 1150.0 349.6 122223.65 68 322.0 -478.4 228861.79 118 828.0 27.6 762.04 69 575.0 -225.4 50802.91 119 943 .0 142.6 20336.18 70 874.0 73.6 5417.69 120 1035.0 234.6 55039.50 71 575.0 -225.4 50802.91 121 92.0 -708.4 501823.49 72 759.0 -41.4 1713.55 : 122 1219.0 418.6 175230.14 73 575.0 -225.4 50802.91 j 123 1081.0 280.6 78739.16 74 345.0 -455.4 207384.62 124 115.0 -685.4 469766.32 75 1426.0 625.6 391381.60 125 1150.0 349.6 122223.65 76 897.0 96.6 9332.52 126 1150.0 349.6 122223.65 77 897.0 96.6 9332.52 127 368.0 -432.4 186965.45 78 897,0 96.6 9332.52 128 253.0 -547.4 299641.30 79 874.0 73.6 5417.69 129 184.0 -616.4 379942.81 80 506 .0 -294.4 86668.42 130 1541.0 740.6 548495.75 81 92.0 -708.4 501823.49 131 1311 .0 510.6 260717.46 82 966.0 165.6 27425.01 132 1495.0 694.6 482476.09 83 1081.0 280.6 78739.16 133 322.0 -478.4 228861.79 84 1150.0 349.6 122223.65 134 690.0 -110.4 12187.06 85 575.0 -225.4 50802.91 135 690.0 -110.4 12187.06 86 345.0 -455.4 207384.62 136 1610.0 809.6 655460.24 87 782.0 -18.4 338.38 137 759 .0 -41.4 1713.55 88 920.0 119.6 14305.35 138 1242.0 441.6 195014.97 89 1656.0 855.6 732059.90 139 460 .0 -340.4 115868.76 90 989.0 188.6 35571.84 140 805.0 4.6 21.21 91 759.0 -41.4 1713.55 141 460.0 -340.4 115868.76 92 759.0 -41.4 1713.55 142 253.0 -547.4 299641.30 93 1403.0 602.6 363132.77 143 1058.0 257.6 66360.33 94 897.0 96.6 9332.52 144 1035.0 234.6 55039.50 95 805.0 4.6 21.21 145 552.0 -248.4 61700.08 96 1633.0 832.6 693231.07 146 391.0 -409.4 167604.27 97 92.0 -708.4 501823.49 i 147 230.0 -570.4 325350.47 98 826.0 25.6 655.62 ! 148 1012.0 211.6 44776,67 99 437.0 -363.4 132055.93 149 782.0 -18.4 338.38 100 345.0 -455.4 207384.62 ' 150 1219.0 418.6 175230.14 i

49540.0 15357705.0 1 40570.0 11272033.5 Sum(n) Sum(n-N}2 Sum(n) Sum(n-N)1 PAGE 2 OF 11 C:\O FFICE\QP'WIFSSRS\PUYAFBCM. WB2

06/15/99 CIMARRON CORPORATION -CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA uI" PLUTONIUM YARD FENCE SURVEY (AFFECTED) n = DPM /1 OOcm 2 Number n (n*N} (n*N} 2 Number n (n-N) tn-N) 2 151 920.0 119.6 14305.35 201 253.0 -547.4 299641.30 152 161.0 -639.4 408825.98 202 1012.0 211.6 44776.67 153 460.0 -340.4 115868.76 203 759.0 -41.4 1713.55 154 1104.0 303.6 92175.99 204 667.0 -133.4 17794.23 155 989.0 188.6 35571.84 205 299.0 -501.4 251396.96 156 1380.0 579.6 335941.94 206 92.0 -708.4 501823.49 157 345.0 -455.4 207384.62 207 759.0 -41.4 1713.55 158 437.0 -363.4 132055.93 208 575.0 -225.4 50802.91 159 207.0 -593.4 352117.64 209 736.0 -64.4 4146.72 160 1242.0 441.6 195014.97 210 1242.0 441.6 195014.97 161 1104.0 303.6 92175.99 211 0.0 -800.4 640632.17 162 828.0 27.6 762.04 212 0.0 -800.4 640632.17 163 299.0 -501.4 251396.96 213 483.0 -317.4 100739.59 164 138.0 -662.4 438767.15 214 1104.0 303.6 92175.99 165 1035.0 234.6 55039.50 215 805.0 4.6 21.21 166 667.0 -133.4 17794.23 216 1173.0 372.6 138834.48 167 828.0 27.6 762.04 217 0.0 -800.4 640632.17 168 1242.0 441.6 195014.97 218 1288.0 487.6 237758.63 169 115.0 -685.4 469766.32 219 161.0 -639.4 408825.98 170 0.0 -800.4 640632.17 220 1081.0 280.6 78739.16 171 184.0 -616.4 379942.81 221 0.0 -800.4 640632.17 172 46.0 -754.4 569111.83 222 920.0 119.6 14305.35 173 276.0 -524.4 274990.13 223 161.0 -639.4 408825.98 174 805.0 4.6 21.21 224 0.0 -800.4 640632.17 175 0.0 -800.4 640632.17 225 368.0 -432.4 186965.45 176 897.0 96.6 9332.52 226 621.0 -179.4 32182.57 177 1426.0 625.6 391381.60 227 414.0 -386.4 149301.10 178 437.0 -363.4 132055.93 228 759.0 -41.4 1713.55 179 0.0 -800.4 640632.17 229 345.0 -455.4 207384.62 180 575.0 -225.4 50802.91 230 0.0 -800.4 640632.17 181 115.0 -685.4 469766.32 231 230.0 -570.4 325350.47 182 0.0 -800.4 640632.17 232 897.0 96.6 9332.52 183 92.0 -708.4 501823.49 233 851.0 50.6 2560.86 184 552.0 -248.4 61700.08 234 667.0 -133.4 17794.23 185 1127.0 326.6 106670.82 235 460.0 -340.4 115868.76 186 1104.0 303.6 92175.99 236 0.0 -800.4 640632.17 187 345.0 -455.4 207384.62 237 575.0 -225.4 50802.91 188 299.0 -501.4 251396.96 238 690.0 -110.4 12187.06 189 391 .0 -409.4 167604.27 239 782.0 -18.4 338.38 190 1495.0 694.6 482476.09 240 713.0 -87.4 7637.89 191 575.0 -225.4 50802.91 241 0.0 -800.4 640632.17 192 759.0 -41.4 1713.55 242 0.0 -800.4 640632.17 193 92.0 -708.4 501823.49 243 23.0 -777.4 604343.00 194 23.0 -777.4 604343.00 244 828.0 27.6 762.04 195 621.0 -179.4 32182.57 245 1127.0 326.6 106670.82 196 1173.0 372.6 138834.48 246 1173.0 372.6 138834.48 197 0.0 -800.4 640632.17 247 529.0 -271.4 73655.25 198 828.0 27.6 762.04 248 0.0 -800.4 640632.17 199 138.0 -662.4 438767.15 249 759.0 -41.4 1713.55 200 0.0 -800.4 640632.17 250 161.0 -639.4 408825.98 27876.0 13172402.0 26542.0 11709597.9 Sum{n) Sum(n-N) 2 Sum{n} Sum(n-N}2 PAGE 3 OF 11 C:\OFFICE\OPW\FSSRS\PUYAFBCM.WB2

06/15/99 CIMARRON CORPORATION - CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I" PLUTONIUM YARD FENCE SURVEY {AFFECTED) n = DPM /1OOcm 2

Number 251 252 253 254 255 256 n

943.0 69.0 92.0 874.0 414.0 713.0 (n-N) 142.6 73.6 (n-N) 2 20336.18

-731.4 534938.66

-708.4 501823.49 5417.69

-386.4 149301.10

-87.4 7637.89 Number 301 302 303 304 305 306 n

0.0 207.0 506.0 2139.0 851 .0 2024.0 (n-N)

-800.4

-593.4

-294.4 1338.6 50.6 1223.6 (n-N) 2 640632.17 352117.64 86668.42 1791863.32 2560.86 1497209.17 257 1127.0 326.6 106670.82 307 414.0 -386.4 149301.10 258 1196.0 395.6 156503.31 308 1265.0 464.6 215857.80 259 322.0 -478.4 228861.79 309 713.0 -87.4 7637.89 260 184.0 -616.4 379942.81 310 1495.0 694.6 482476.09 261 759.0 -41.4 1713.55 311 2392.0 1591.6 2533206.44 262 667.0 -133.4 17794.23 312 1909.0 1108.6 1229005.02 263 621.0 -179.4 32182.57 313 736.0 -64.4 4146.72 264 483.0 -317.4 100739.59 314 460.0 -340.4 115868.76 265 437.0 -363.4 132055.93 315 897.0 96.6 9332.52 266 782 .0 -18.4 338.38 316 2070.0 1269.6 1611896.83 267 713 .0 -87.4 7637.89 317 1587.0 786.6 618747.41 268 943.0 142.6 20336.18 318 1265.0 464.6 215857.80 269 437 .0 -363.4 132055.93 319 1242.0 441.6 195014.97 270 966.0 165.6 27425.01 320 943.0 142.6 20336.18 271 115.0 -685.4 469766.32 321 1081.0 280.6 78739.16 272 368.0 -432.4 186965.45 3lQ 1311 .0 510.6 260717.46 273 1012.0 211.6 44776.67 323 1886.0 1085.6 1178538.19 274 1104.0 303.6 92175.99 324 1610.0 809.6 655460.24 275 1288.0 487.6 237758.63 325 1702.0 901.6 812891.56 276 621.0 -179.4 32182.57 326 1771.0 970.6 942074.05 277 368.0 -432.4 186965.45 327 1840.0 1039.6 1080778.53 278 46.0 -754.4 569111.83 328 139.0 -661.4 437443.36 279 184.0 -616.4 379942.81 329 1863.0 1062.6 1129129.36 280 1127.0 326.6 106670.82 330 2116.0 1315.6 1730816.49 281 1196.0 395.6 156503.31 331 1472.0 671.6 451053.26 282 1196.0 395.6 156503.31 332 1403.0 602.6 363132.77 283 3174 .0 2373.6 5634000.65 333 966.0 165.6 27425.01 284 736.0 -64.4 4146.72 334 2070.0 1269.6 1611896.83 285 713.0 -87.4 7637.89 335 1794.0 993.6 987250.88 286 621.0 -179.4 32182.57 336 1219.0 418.6 175230.14 287 1449.0 648.6 420688.43 337 828.0 27.6 762.04 288 1334.0 533.6 284734.28 338 1702.0 901.6 812891.56 289 460.0 -340.4 115868.76 339 1804.0 1003.6 1007222.98 290 322.0 -478.4 228861.79 340 2254.0 1453.6 2112967.47 291 828.0 27.6 762.04 341 1541 .0 740.6 548495.75 292 1380.0 579.6 335941.94 342 736.0 -64.4 4146.72 293 1541.0 740.6 548495.75 343 207 .0 -593.4 352117.64 294 1817.0 1016.6 1033485.70 344 483.0 -317.4 100739.59 295 46.0 -754.4 569111.83 345 437.0 -363.4 132055.93 296 92.0 -708.4 501823.49 346 1380.0 579.6 335941.94 297 1242.0 441.6 195014.97 347 2139.0 1338.6 1791863.32 298 2070.0 1269.6 1611896.83 348 2369.0 1568.6 2460521.61 299 1334.0 533.6 284734.28 349 322.0 -478.4 228861.79 300 1748.0 947.6 897955.22 350 1702.0 901.6 812891.56 42274.0 17890379.3 65262.0 34403794.3 Sum(n) Sum(n-N)2 Sum{n) Sum(n-N) 2 PAGE 4 OF 11 C:\OFFICE\QPW\FSS RS\PUYAFBCM.WB2

06/15/99 CIMARRON CORPORATION - CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA '1I PLUTONIUM YARD FENCE SURVEY (AFFECTED) n = DPM /1 OOcm 2

Number 351 352 353 354 355 n

1587.0 2139.0 1748.0 1426.0 1012.0 (n-N) 786.6 1338.6 947.6 625.6 211.6 (n-N) 2 618747.41 1791863.32 897955.22 391381.60 44776.67 Number 401 402 403 404 405 n

4209.0 4117 .0 69.0 690.0 644.0 (n-N) 3408.6 3316.6

-731.4

-110.4

-156.4 (n-N)*

11618587.98 10999868.66 534938.66 12187.06 24459.40 356 644 .0 -156.4 24459.40 406 644.0 -156.4 24459.40 357 1472.0 671.6 451053.26 407 713.0 -87.4 7637.89 358 2185.0 1384.6 1917130.98 408 621.0 -179.4 32182.57 359 2507 .0 1706.6 2912500.59 409 1012.0 211.6 44776.67 360 1840.0 1039.6 1080778.53 410 1380.0 579.6 335941.94 361 575.0 -225.4 50802.91 411 1426.0 625.6 391381.60 362 1242.0 441.6 195014.97 412 713.0 -87.4 7637.89 363 1219.0 418.6 175230.14 413 782.0 -18.4 338.38 364 1196.0 395.6 156503.31 414 736.0 -64.4 4146.72 365 1725.0 924.6 854894.39 415 1081.0 280.6 78739.16 366 1426.0 625.6 391381.60 416 414.0 -386.4 149301.10 367 736.0 -64.4 4146.72 417 1035.0 234.6 55039.50 368 1012.0 211.6 44776.67 418 92.0 -708.4 501823.49 369 851.0 50.6 2560.86 419 0.0 -800.4 640632.17 370 1955.0 1154.6 1333112.68 420 0.0 -800.4 640632.17 371 943.0 142.6 20336.18 421 138.0 -662.4 438767.15 372 1817.0 1016.6 1033485.70 422 23.0 -777.4 604343.00 373 1058.0 257.6 66360.33 423 0.0 -800.4 640632.17 374 920.0 119.6 14305.35 424 0.0 -800.4 640632.17 375 1863.0 1062.6 1129129.36 425 253.0 -547.4 299641.30 376 1955.0 1154.6 1333112.68 426 621.0 -179.4 32182.57 377 667.0 -133.4 17794.23 427 1817.0 1016.6 1033485.70 378 2231.0 1430.6 2046630.64 428 1909.0 1108.6 1229005.02 379 161 .0 -639.4 408825.98 429 1932.0 1131.6 1280529.85 380 989.0 188.6 35571.84 430 437.0 -363.4 132055.93 381 1541.0 740.6 548495.75 431 598.0 -202.4 40963.74 382 1909.0 1108.6 1229005.02 432 92.0 -708.4 501823.49 383 1357.0 556.6 309809.11 433 1840.0 1039.6 1080778.53 384 1633.0 832.6 693231.07 434 1081.0 280.6 78739.16 385 506.0 -294.4 86668.42 435 1840.0 1039.6 1080778.53 386 782.0 -18.4 338.38 436 1081.0 280.6 78739.16 387 299.0 -501.4 251396.96 437 483 .0 -317.4 100739.59 388 1495.0 694.6 482476.09 438 690.0 -110.4 12187.06 389 1633.0 832.6 693231.07 439 1058.0 257.6 66360.33 390 1081.0 280.6 78739.16 440 1265.0 464.6 215857.80 391 575.0 -225.4 50802.91 441 1012.0 211.6 44776.67 392 1035.0 234.6 55039.50 442 598.0 -202.4 40963.74 393 828.0 27.6 762.04 443 621.0 -179.4 32182.57 394 1863.0 1062.6 1129129.36 444 253.0 -547.4 299641.30 395 1196.0 395.6 156503.31 445 322.0 -478.4 228861.79 396 2323.0 1522.6 2318325.95 446 92.0 -708.4 501823.49 397 253.0 -547.4 299641.30 447 483.0 -317.4 100739.59 398 0.0 -800.4 640632.17 448 1035.0 234.6 55039.50 399 598.0 -202.4 40963.74 449 1242.0 441.6 195014.97 400 3703.0 2902.6 8425115.73 450 897.0 96.6 9332.52 65711.0 36934930.6 44091.0 37201330.8 Sum(n) Sum(n-Nr' Sum(n) Sum(n-N)'

PAGE 5 OF 11 C :\OFFICE\QPW\FSSRS\PUYAFBCM. WB2

06/15/99 CIMARRON CORPORATION -CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I" PLUTONIUM YARD FENGE SURVEY (AFFECTED) n = DPM /100cm 2 Number n (n-N) (n-N) 2 Number n (n-N) (n-N) 2 451 184 .0 -616.4 379942.81 501 1564.0 763.6 583092.58 452 92.0 -708.4 501823.49 502 667.0 -133.4 17794.23 453 1150.0 349.6 122223.65 503 276.0 -524.4 274990.13 454 184.0 -616.4 379942.81 504 667.0 -133.4 17794.23 455 253.0 -547.4 299641.30 505 46,0 -754.4 569111.83 456 184.0 -616.4 379942.81 506 207.0 -593.4 352117.64 457 161 .0 -639.4 408825.98 507 0.0 -800.4 640632.17 458 506.0 -294.4 86668.42 508 1817.0 1016.6 1033485.70 459 368.0 -432.4 186965.45 509 1679.0 878.6 771946.73 460 483.0 -317.4 100739.59 510 1058.0 257.6 66360.33 461 276.0 -524.4 274990.13 511 138.0 -662.4 438767.15 462 759.0 -41.4 1713.55 512 161.0 -639.4 408825.98 463 0.0 -800.4 640632.17 513 0.0 -800 .4 640632.17 464 0.0 -800.4 640632.17 514 782.0 -18.4 338.38 465 276.0 -524.4 274990.13 515 554.0 -246.4 60710.50 466 1081 .0 280.6 78739.16 516 46.0 -754.4 569111.83 467 1610.0 809.6 655460.24 517 0.0 *800.4 640632.17 468 1357.0 556.6 309809.11 518 0.0 -800.4 640632.17 469 1035.0 234.6 55039.50 519 Q_Q -800.4 640632.17

,470 483,0 -317.4 100739.59 520 1794.0 993.6 987250.88 471 736.0 -64.4 4146.72 521 0.0 -800.4 640632.17 472 828,0 27.6 762.04 522 1748.0 947.6 897955.22 473 1081 .0 280.6 78739.16 523 161 ,0 -639.4 408825.98 474 897.0 96.6 9332.52 524 184.0 -616.4 379942.81 475 805.0 4.6 21.21 525 506.0 -294.4 86668.42 476 598.0 -202.4 40963.74 526 1150.0 349.6 122223.65 477 391.0 -409.4 167604.27 527 1219.0 418.6 175230.14 478 874 ,0 73.6 5417.69 528 1288.0 487.6 237758.63 479 1242.0 441.6 195014.97 529 138.0 -662.4 438767.15 480 1587.0 786.6 618747 .41 530 0.0 -800.4 640632.17 481 552.0 -248.4 61700.08 531 92.0 -708.4 501823.49 482 276.0 -524.4 274990.13 532 1242.0 441.6 195014.97 483 299.0 -501.4 251396.96 533 1265.0 464.6 215857.80 484 1150,0 349.6 122223.65 534 1173.0 372.6 138834.48 485 1012.0 211.6 44776.67 535 460.0 ..J40.4 115868.76 486 2024.0 1223.6 1497209.17 536 230.0 -570.4 325350.47 487 1127.0 326.6 106670.82 537 207 .0 -593.4 352117.64 488 943.0 142.6 20336.18 538 1403.0 602.6 363132.77 489 857.0 56.6 3204.12 539 1495.0 694.6 482476-09 490 1472.0 671.6 451053.26 540 828.0 27.6 762.04 491 1150.0 349.6 122223.65 541 0.0 -800.4 640632.17 492 805.0 4.6 21.21 542 0.0 -800.4 640632.17 493 0.0 -800.4 640632.17 543 46.0 -754.4 569111.83 494 184.0 -616.4 379942.81 544 1403.0 602.6 363132.77 495 437.0 -363.4 132055.93 545 828.0 27.6 762.04 496 506.0 -294.4 86668.42 546 1403.0 602.6 363132.77 497 299.0 -501.4 251396.96 547 46.0 -754.4 569111.83 498 621.0 -179.4 32182.57 548 138.0 -662.4 438767.15 499 828.0 27.6 762.04 549 690.0 -110.4 12187.06 500 989.0 188.6 35571.84 550 299.0 -501.4 251396.96 35012.0 11515230.4 31098.0 19923600.6 Sum(n} Sum(n-N) 2 Sum(n} Sum(n-N)2 PAGE 6 OF 11 C:\OFFICE\QPW\FSSRS\PUYAFBCM.WB2

06/15/99 CIMARRON CORPORATION - CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I" PLUTONIUM YARD FENCE SURVEY (AFFECTED) n = DPM /100cm 2 Number n (n.N) {n*N) 2 Number n (n-N) (n-N) 2 551 1403.0 602.6 363132.77 601 0 .0 -800.4 640632.17 552 874.0 73.6 5417.69 602 0.0 -800.4 640632.17 553 0.0 -800.4 640632.17 603 0.0 -800.4 640632.17 554 23.0 -777.4 604343.00 604 506.0 -294.4 86668.42 555 437.0 -363.4 132055.93 605 667.0 -133.4 17794.23 556 1150.0 349.6 122223.65 606 1219.0 418.6 175230.14 557 1150.0 349.6 122223.65 607 230.0 -570.4 325350.47 558 690,0 -110.4 12187.06 608 575.0 -225.4 50802.91 559 0.0 -800.4 640632.17 609 0 .0 -800.4 640632.17 560 483.0 -317.4 100739.59 610 92 .0 -708.4 501823.49 561 920.0 119.6 14305.35 611 0.0 -800.4 640632.17 562 667,0 -133.4 17794.23 612 345.0 -455.4 207384.62 563 1863.0 1062.6 1129129.36 613 1150.0 349.6 122223.65 564 1449.0 648.6 420688.43 614 1610.0 809.6 655460.24 565 207.0 -593.4 352117.64 615 1265.0 464.6 215857.80 566 0.0 -800.4 640632.17 616 782.0 -18.4 338.38 567 644.0 -156.4 24459.40 617 460.0 -340.4 115868.76 568 1564.0 763.6 583092.58 618 782.0 -18.4 338.38 569 1518.0 717.6 514956.92 619 1012.0 211.6 44776.67 570 1104.0 303.6 92175.99 620 1794.0 993.6 987250.88 571 115.0 -685.4 469766.32 621 1127.0 326.6 106670.82 572 276.0 -524.4 274990.13 622 414.0 -386.4 149301.10 573 782.0 -18.4 338.38 623 184.0 -616.4 379942.81 574 1725.0 924.6 854894.39 624 207.0 -593.4 352117.64 575 1265.0 464.6 215857.80 625 1196.0 395.6 156503.31 576 1311.0 510.6 260717.46 626 230.0 -570.4 325350.47 577 575.0 -225.4 50802.91 627 943.0 142.6 20336.18 578 391.0 -409.4 167604.27 628 1196.0 395.6 156503.31 579 0.0 *800.4 640632.17 629 920.0 119.6 14305.35 580 943.0 142.6 20336.18 630 2369.0 1568.6 2460521.61 581 874.0 73.6 5417.69 631 0.0 -800.4 640632.17 582 1196.0 395.6 156503.31 632 598.0 -202.4 40963.74 583 161.0 -639.4 408825.98 633 736.0 -64.4 4146.72 584 322.0 -478.4 228861.79 634 460.0 -340.4 115868.76 585 0.0 -800.4 640632.17 635 437.0 -363.4 132055.93 586 1265.0 464.6 215857.80 636 161.0 -639.4 408825.98 587 874.0 73.6 5417.69 637 943.0 142.6 20336.18 588 1242.0 441.6 195014.97 638 161 .0 -639.4 408825.98 589 0.0 -800.4 640632.17 639 644.0 -156.4 24459.40 590 0.0 -800.4 640632.17 640 1058.0 257.6 66360.33 591 805.0 4.6 21.21 641 0.0 -800.4 640632.17 592 0.0 -800.4 640632.17 642 0.0 -800.4 640632.17 593 0.0 -800.4 640632.17 643 207.0 -593.4 352117.64 594 0.0 -800.4 640632.17 644 1495.0 694.6 482476.09 595 184.0 -616.4 379942.81 645 805.0 4.6 21.21 596 989.0 188.6 35571.84 646 1012.0 211.6 44776.67 597 1886.0 1085.6 1178538.19 647 0.0 -800.4 640632.17 598 -800.4 640632.17 648 0.0 -800.4 640632.17 0.0 599 897.0 96.6 9332.52 649 0.0 -800.4 640632.17 600 115.0 -685.4 469766.32 650 644.0 -156.4 24459.40 34339.0 17262377.1 30636.0 16801369.6 Sum(n) Sum(n-N) 2 Sum(n) Surn(n-N) 2 PAGE 7 OF 11 C :\OFFICE\QPVV\FSSRS\PUYAFBCM.WB2

06/15/99 CIMARRON CORPORATION -CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I" PLUTONIUM YARD FENCE SURVEY (AFFECTED) n = DPM /1 OOcm 2 Number n (n-N) (n-N) 2 Number n (n-N} Cn-N)2 651 879.0 78.6 6178.74 701 0.0 -800.4 640632.17 652 828.0 27.6 762.04 702 0.0 -800.4 640632.17 653 368,0 -432.4 186965.45 703 0.0 -800.4 640632.17 654 0.0 -800.4 640632.17 704 874.0 73.6 5417.69 655 46.0 -754.4 569111.83 705 1679.0 878.6 771946.73 656 1104.0 303.6 92175.99 706 1679.0 878.6 771946.73 657 1012.0 211.6 44776.67 707 437 .0 -363.4 132055.93 658 1150.0 349.6 122223.65 708 0.0 -800.4 640632.17 659 0.0 -800.4 640632.17 709 0.0 -800.4 640632.17 660 299.0 -501.4 251396.96 710 1311.0 510.6 260717.46 661 207.0 -593.4 352117.64 711 1656.0 855.6 732059.90 662 1219.0 418.6 175230.14 712 1150.0 349.6 122223.65 663 851 .0 50.6 2560.86 713 368.0 -432.4 186965.45 664 1403.0 602.6 363132.77 714 0.0 -800.4 640632.17 665 322.0 -478.4 228861.79 715 23.0 -777.4 604343.00 666 184.0 -616.4 379942.81 716 1242.0 441.6 195014.97 667 230.0 -570.4 325350.47 717 690 .0 -110.4 12187.06 668 69.0 -731.4 534938.66 718 1150.0 349.6 122223.65 669 1541.0 740.6 548495.75 719 368.0 -432.4 186965.45 670 621.0 -179.4 32182.57 720 529.0 -271.4 73655.25 671 46.0 -754.4 569111.83 721 0.0 -800.4 640632.17 672 0.0 -800.4 640632.17 722 1334.0 533.6 284734.28 673 644 .0 -156.4 24459.40 723 598.0 -202.4 40963.74 674 1334.0 533.6 284734.28 724 1174.0 373.6 139580.69 675 1541.0 740.6 548495.75 725 69.0 -731.4 534938.66 676 690.0 -110.4 12187.06 726 46.0 -754.4 569111.83 677 0.0 -800.4 640632.17 727 184.0 -616.4 379942.81 678 69.0 -731.4 534938.66 728 943.0 142.6 20336.18 679 92.0 -708.4 501823.49 729 1449.0 648.6 420688.43 680 1173.0 372.6 138834.48 730 1564.0 763.6 583092.58 681 989.0 188.6 35571.84 731 299.0 -501.4 251396.96 682 1334.0 533.6 284734.28 732 437.0 -363.4 132055.93 683 69.0 -731.4 534938.66 733 0.0 -800.4 640632.17 684 46.0 -754.4 569111.83 734 1587.0 786.6 618747.41 685 115.0 -685.4 469766.32 735 1541 .0 740.6 548495.75 686 1288.0 487.6 237758.63 736 1196.0 395.6 156503.31 687 828 .0 27.6 762.04 737 391.0 -409.4 167604.27 688 897.0 96.6 9332.52 738 874.0 73.6 5417.69 689 0.0 -800.4 640632.17 739 0.0 -800.4 640632.17 690 69.0 -731.4 534938.66 740 1679.0 878.6 771946.73 691 92.0 -708.4 501823.49 741 1219.0 418.6 175230.14 692 1173.0 372.6 138834.48 742 1012.0 211.6 44776.67 693 989.0 188.6 35571.84 743 506.0 -294.4 86668.42 694 1334.0 533.6 284734.28 744 644.0 -156.4 24459.40 695 69.0 -731.4 534938.66 745 1012.0 211.6 44776.67 696 46.0 -754.4 569111.83 746 46.0 -754.4 569111.83 697 115.0 -685.4 469766.32 747 0.0 -800.4 640632.17 698 1288.0 487.6 237758.63 748 0.0 -800.4 640632.17 699 828.0 27.6 762.04 749 989.0 188.6 35571.84 700 897.0 96.6 9332.52 750 736.0 *64.4 4146.72 30388.0 15493699.5 34685.0 17834975.8 Sum(n) Sum(n-N}2 Sum(n) Sum(n-N)2 PAGE 8 OF 11 C:\OFFICE\QPVV\FSSRS\PUYAFBCM .WB2

06/15/99 CIMARRON CORPORATION - CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "1'1 PLUTONIUM YARD FENCE SURVEY (AFFECTED) n = DPM /100cm 2

Number 751 752 753 754 755 756 n

644.0 230.0 230.0 69.0 1702.0 1288.0 (n-N)

-156.4

-570.4

-731.4 901.6 487.6 (n-N)2 24459.40 325350.47 325350.47 534938.66 812891.56 237758.63 Number 801 802 803 804 805 806 n

920.0 1357.0 943.0 1125.0 690.0 299.0 (n-N) 119.6 556.6 142.6 324.6

-110.4

-501.4 (n-N) 2 14305.35 309809.11 20336.18 105368.40 12187.06 251396.96 757 989.0 188.6 35571.84 807 506.0 -294.4 86668.42 758 46.0 -754.4 569111.83 808 690.0 -110.4 12187.06 759 32.0 -768.4 590430.89 809 1495.0 694.6 482476.09 760 138.0 -662.4 438767.15 810 1242.0 441.6 195014.97 761 1196.0 395.6 156503.31 811 1219.0 418.6 175230.14 762 1656.0 855.6 732059.90 812 437.0 -363.4 132055.93 763 1058.0 257.6 66360.33 813 0.0 -800.4 640632.17 764 207.0 -593.4 352117.64 814 966.0 165.6 27425.01 765 0.0 -800.4 640632.17 815 1794.0 993.6 987250.88 766 0.0 -800.4 640632.17 816 1219.0 418.6 175230.14 767 1242.0 441.6 195014.97 817 1541 .0 740.6 548495.75 768 1058.0 257.6 66360.33 818 596.0 -204.4 41777.32 769 1610.0 809.6 655460.24 819 713.0 -87.4 7637.89 770 115.0 -685.4 469766.32 820 345.0 -455.4 207384.62 771 0.0 -800.4 640632.17 821 1564.0 763.6 583092.58 772 23.0 -777.4 604343.00 822 943.0 142.6 20336.18 773 1748.0 947.6 897955.22 823 1127.0 326.6 106670.82 774 1656.0 855.6 732059.90 824 1058.0 257.6 66360.33 775 1127.0 326.6 106670.82 825 782.0 -18.4 338.38 776 299.0 -501.4 251396.96 826 368.0 --432.4 186965.45 777 0.0 -800.4 640632.17 827 736.0 ~64.4 4146.72 778 46.0 -754.4 569111.83 828 1886.0 1085.6 1178538.19 779 874.0 73.6 5417.69 829 1357.0 556.6 309809.11 780 1265.0 464.6 215857.80 830 115.0 -685.4 469766.32 781 1196.0 395.6 156503.31 831 828.0 27.6 762.04 782 598.0 -202.4 40963.74 832 1058.0 257.6 66360.33 783 943.0 142.6 20336.18 833 1909.0 1108.6 1229005.02 784 1587.0 786.6 618747.41 834 1127.0 326.6 106670.82 785 598.0 -202.4 40963.74 835 713.0 -87.4 7637.89 786 1334.0 533.6 284734.28 836 0.0 -800.4 640632.17 787 966.0 165.6 27425.01 837 437.0 -363.4 132055.93 788 1081 .0 280.6 78739.16 838 276.0 -524.4 274990.13 789 1196.0 395.6 156503.31 839 1380.0 579.6 335941.94 790 2001.0 1200.6 1441452.34 840 1449.0 648.6 420688.43 791 1127.0 326.6 106670.82 841 1357.0 556.6 309809.11 792 1656.0 855.6 732059.90 842 0.0 -800.4 640632.17 793 1334.0 533.6 284734.28 843 598.0 -202.4 40963.74 794 598.0 -202.4 40963.74 844 1150.0 349.6 122223.65 795 1012.0 211.6 44776.67 845 1311.0 510.6 260717.46 796 2254.0 1453.6 2112967.47 846 713.0 -87.4 7637.89 797 1587 .0 786.6 618747.41 847 2001.0 1200.6 1441452.34 798 1472.0 671.6 451053.26 848 1771.0 970.6 942074.05 799 1840.0 1039.6 1080778.53 849 1127.0 326.6 106670.82 800 0.0 -800.4 640632.17 850 1886.0 1085.6 1178538.19 44928.0 21513368.6 49124.0 15624357.7 Sum(n) Sum(n-N)2 Sum(n) Sum(n-N)2 PAGE 9 OF 11 C:\OFFICE\OPWIFSSRS\PUYAFBCM. WB2

06/15/99 CIMARRON CORPORATION - CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I" PLUTONIUM YARD FENCE SURVEY (AFFECTED) n = DPM /100cm 2 Number n (n-N) (n-N)~ Number n (n-N) (n-N} 2 851 1748.0 947.6 897955.22 901 322.0 -478.4 228861.79 852 1564.0 763.6 583092.58 902 0.0 -800.4 640632.17 853 1656.0 855.6 732059.90 903 0.0 -800.4 640632.17 854 299.0 -501.4 251396.96 904 0.0 -800.4 640632.17 855 1334.0 533.6 284734.28 905 989.0 188.6 35571.84 856 1265.0 464.6 215857.80 906 0.0 -800.4 640632.17 857 1311.0 510.6 260717.46 907 0.0 -800.4 640632.17 858 1426.0 625.6 391381.60 908 0.0 -800.4 640632.17 859 1288.0 487.6 237758.63 909 0.0 -800.4 640632.17 860 276.0 -524.4 274990.13 910 0.0 -800.4 640632.17 861 851.0 50.6 2560.86 911 0.0 -800.4 640632.17 862 851.0 50.6 2560.86 912 0.0 -800.4 640632.17 863 1541.0 740.6 548495.75 913 253.0 -547.4 299641.30 864 667.0 -133.4 17794.23 914 0.0 -800.4 640632.17 865 598.0 -202.4 40963.74 915 0.0 -800.4 640632.17 866 0.0 -800 .4 640632.17 916 0.0 -800.4 640632.17 867 230.0 -570.4 325350.47 917 0.0 -800.4 640632.17 868 851.0 50.6 2560.86 918 184.0 -616.4 379942.81 869 1357.0 556.6 309809.11 919 0.0 -800.4 640632.17 870 1758.0 957.6 917007.32 920 0.0 -800.4 640632.17 871 1311 .0 510.6 260717.46 921 0.0 -800.4 640632.17 872 828.0 27.6 762.04 922 0.0 -800.4 640632.17 873 713.0 -87.4 7637.89 923 288.0 -512.4 262548.65 874 368.0 -432.4 186965.45 924 46.0 -754.4 569111.83 875 1610.0 809.6 655460.24 925 207 .0 -593.4 352117.64 876 1380.0 579.6 335941.94 926 0.0 -800.4 640632.17 877 1449.0 648.6 420688.43 927 0.0 -800.4 640632.17 878 759.0 -41.4 1713.55 928 0.0 -800.4 640632.17 879 966.0 165.6 27425.01 929 0.0 -800.4 640632.17 880 1932.0 1131.6 1280529.85 930 0.0 -800.4 640632.17 881 874.0 73.6 5417.69 931 253.0 -547.4 299641.30 882 1173.0 372.6 138834.48 932 0.0 -800.4 640632.17 883 1150.0 349.6 122223.65 933 0.0 -800.4 640632.17 884 598.0 -202.4 40963.74 934 0.0 -800.4 640632.17 885 368.0 -432.4 186965.45 935 0.0 -800.4 640632.17 886 1196.0 395.6 156503.31 936 0.0 -800.4 640632.17 887 851.0 50.6 2560.86 937 0.0 -800.4 640632.17 888 1426.0 625.6 391381.60 938 0.0 -800.4 640632.17 889 1081.0 280.6 78739.16 939 0.0 -800.4 640632.17 890 0 .0 -800.4 640632.17 940 0.0 -800.4 640632.17 891 0.0 --800.4 640632.17 941 0.0 -800.4 640632.17 892 0.0 -800.4 640632.17 942 0.0 -800.4 640632.17 893 161.0 ~39.4 408825.98 943 0.0 -800.4 640632.17 894 345.0 -455.4 207384.62 944 0.0 -800.4 640632.17 895 0 .0 -800.4 640632.17 945 0.0 -800.4 640632.17 896 0.0 -800.4 640632.17 946 0.0 -800.4 640632.17 897 0.0 -800.4 640632.17 947 0.0 -800.4 640632.17 898 0.0 -800.4 640632.17 948 0.0 -800.4 640632.17 899 322.0 -478.4 228861.79 949 0.0 -800.4 640632.17 900 414.0 -386.4 149301.10 950 0.0 -800.4 640632.17 42146.0 16717910.4 2542.0 29333988.4 Sum{n) Sum(n-N)2 Sum(n} Sum(n-N) 2 PAGE 10 OF 11 C:\OFFICE\QPW\FSSRS\PUYAFBCM.WB2

06/15/99 CIMARRON CORPORATION - CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95o/, CONFIDENCE AREA "I" PLUTONIUM YARD FENCE SURVEY (AFFECTED) n = DPM /1 OOcm 2 Number n (n-N) (n-N) 3 Number n (n-N) (n-N) 2 951 2714.0 1913.6 3661884.06 1001 0.0 0.00 0.00 952 2047.0 1246.6 1554024.00 1002 0.0 0.00 0.00 953 2530.0 1729.6 2991533.42 1003 0.0 0.00 0.00 954 0.0 -800.4 640632.17 1004 0.0 0.00 0.00 955 0.0 -800.4 640632.17 1005 0.0 0.00 0.00 956 206.0 -594.4 353305.43 1006 0.0 0.00 0.00 957 0.0 -800.4 640632.17 1007 0.0 0.00 0.00 958 0.0 -800.4 640632.17 1008 0.0 0.00 0.00 959 a.a -800.4 640632.17 1009 0.0 0.00 0.00 960 2277.0 1476.6 2180362.30 1010 0.0 0.00 0.00 961 2208.0 1407.6 1981351.81 1011 0.0 0.00 0.00 962 2323.0 1522.6 2318325.95 1012 0 .0 0.00 0.00 963 0.0 0.00 0.00 1013 0 .0 0.00 0.00 964 0.0 0.00 0.00 1014 0.0 0.00 0.00 965 0.0 0.00 0.00 1015 0.0 0.00 0.00 966 0.0 0.00 0.00 1016 0.0 0.00 0.00 967 0,0 0.00 0.00 1017 0.0 0.00 0.00 968 0.0 0.00 0.00 1018 0.0 0.00 0.00 969 0.0 0.00 0.00 1019 0.0 0.00 0.00 970 0.0 0.00 0.00 1020 0.0 0.00 0.00 971 0.0 0.00 0.00 1021 0.0 0.00 0.00 972 0.0 0.00 0.00 1022 0.0 0.00 0.00 973 0.0 0.00 0.00 1023 0.0 0.00 0.00 974 0.0 0.00 0.00 1024 0.0 0.00 0.00 975 0.0 0.00 0.00 1025 0.0 0.00 0.00 976 0.0 0.00 0.00 1026 0.0 0.00 0.00 977 0.0 0.00 0.00 1027 0.0 0.00 0.00 978 0.0 0.00 0.00 1028 0.0 0.00 0.00 979 0.0 0.00 0.00 1029 0.0 0.00 0.00 980 0.0 0.00 0.00 1030 0.0 0.00 0.00 981 0.0 0.00 0.00 1031 0.0 0.00 0.00 982 0.0 0.00 0.00 1032 0.0 0.00 0.00 983 0.0 0.00 0.00 1033 0.0 0.00 0.00 984 0.0 0.00 0.00 1034 0.0 0.00 0.00 985 0.0 0.00 0.00 1035 0.0 0.00 0.00 986 0.0 0.00 0.00 1036 0.0 0.00 0.00 987 0,0 0.00 0.00 1037 0.0 0.00 0.00 988 0.0 0.00 0.00 1038 0.0 0.00 0.00 989 0.0 0.00 0.00 1039 0.0 0.00 0.00 990 0.0 0.00 0.00 1040 0.0 0.00 0.00 991 0.0 0.00 0.00 1041 0.0 0.00 0.00 992 0.0 0.00 0.00 1042 0.0 0.00 0.00 993 0.0 0.00 0.00 1043 0.0 0.00 0.00 994 0.0 0.00 0.00 1044 0.0 0.00 0.00 995 0.0 0.00 0.00 1045 0.0 0.00 0.00 996 0.0 0.00 0.00 1046 0.0 0.00 0.00 997 0.0 0.00 0.00 1047 0.0 0.00 0.00 998 0.0 0.00 0.00 1048 0.0 0.00 0.00 999 0.0 0.00 0.00 1049 0.0 0.00 0.00 1000 0.0 0.00 0.00 1050 0.0 0.00 0.00 14305.0 18243947.8 0.0 0.0 Sum(n) Sum(n-N)2 Sum(n) Sum(n-NJ PAGE110F11 C:\OFFICE\QPW\FSSRS\PUYAFBCM.WB2

06/15/99 CIMARRON FACILITY SIDEWALKS SUB AREA "I" ALPHA AND BETAJGAMMA AFFECTED - PHASE 11

INSTRUMENTS LUDLUM MICRO-R METER - MODEL 19 ALPHA DIRECT LUDLUM 2224 - 43.S9 PROBE BETA DIRECT LUDLUM 2224-43-89 PROBE SIN 138420 114616 114616 RESULTS IN Micro-R/Hr DPM/100cm 2 DPM1100cm 2 8KG 9

4cpm 288 cpm MDA 2

72 DPM 542 DPM ALPHA - .3 cpm 11 Cl-01 DPM/100cm 2 DPM/100cm 2 ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2 cpm 18 DPM/100 cm 2 DPM/100cm 2 REVIEWED BY: v.~. k O --- DATE: ~-/b-9 7 LN AFFECTED AREA READING I rnREcf SMEAR µR/Hr@

SIDEWALKS ID ALPH,fl. BETA ALPHA BETA 1 METER 1 N.of GUARD STATION 1 190 750 0 0 6 2 N.of GUARD STATION 2 90 I 1160 0 0 6 3 N.of GUARD STATION 3 0 : 870 0 0 5 4 N.of GUARD STATION 4 70 1040 0 D 6 5 N.of GUARD STATION 5 100 1180 0 2 7 6 N.of GUARD STATION 6 90 1050 0 2 8 7 N.of GUARD STATION 7 120 1190 2 4 8 8 N.of GUARD STATION 8 100 950 0 0 7 9 N.of GUARD STATION 9 80 1220 0 0 7 10 N.of GUARD STATION 10 70 1190 0 0 7 11 WESTofTIO2 1 50 1330 0 7 9 12 WESTofTIO2 2 60 1110 o 0 8 13 WEST ofTIO2 3 50 950 0 0 9 14 WEST ofTIO2 4 50 910 0 0 9 15 WESTofTIO2 5 70 1400 o 7 8 16 WEST of TIO2 6 300 700 0 0 8 17 WESTofTIO2 7 50 940 2 0 8 18 WEST of TIO2 8 40 980 0 2 9 19 WESTofTIO2 9 10 1080 0 2 9 20 WESTofTlO2 10 60 1050 0 o 7 21 WESTofTIO2 11 50 1050 2 0 9 22 WESTofTIO2 12 60 1160 2 2 9 23 WESTofTlO2 13 90 840 2 0 10 24 WESTofTIO2 14 30 1120 0 7 9 25 WESTofTIO2 15 60 1380 0 2 10 26 WESTofT\02 16 20 1270 0 0 10 27 WESTofTIO2 17 70, 1050 0 2 10 28 WESTofTIO2 18 40 t 1280 0 2 9 29 WEST ofTIO2 19 40 1230 o 0 9 30 WESTofTIO2 20 70 1330 0 0 9 A:\SIDV\I ~K I.WB2 1

06/15/99 CIMARRON FACILITY SIDEWALKS SUB AREA "I" ALPHA AND BETA/GAMMA AFFECTED - PHASE II

INSTRUMENTS LUDLUM MICRO-R METER - MODEL 19 ALPHA DIRECT LUDLUM 2224 89 PROBE BETA DIRECT LUDLUM 2224 89 PROBE S/N 138420 114616 114616 RESULTS IN Micro-R/Hr DPM/100cm 2 DPM/100cm 2 8KG 9

4cpm 288 cpm MDA 2

72 DPM 542 DPM ALPHA- .3cpm 11 Cl-01 DPM/100cm 2 DPM/100cm 2 ALPHA AND BETA SMEAR TENNELEC LB-511 ~o BETA- 2 cpm 18 DPM/100 cm 2 DPM/100cm 2 REVIEWED BY: -'?J.C{, ~ DATE: £-lb-77 LN AFFECTED AREA READING DIRECT SMEAR µR/Hr@

SIDEWALKS ID ALPHA BETA ALPHA BETA 1 METER 31 WESTofTlO2 21 70 : 1170 0 0 9 32 VVEST of TIO2 22 40 1 870 0 0 9 33 WESTofTIO2 23 50 !' 1020 2 0 9 34 WESTofTIO2 24 80 1210 5 4 9 35 WEST ofTIO2 25 20 ! 1110 2 2 10 36 WEST ofT1O2 26 60 1220 2 9 9 37 WESTofTIO2 27 30 1160 0 2 10 38 WEST of TIO2 28 20 1610 0 0 10 39 WESTofTIO2 29 40 1180 2 0 10 40 WESTofTIO2 30 40 1270 5 2 9 41 WESTofTIO2 31 20 1310 2 4 9 42 SOUTH of PU 1 30 1000 0 0 10 43 SOUTH of PU 2 20 1110 0 9 9 44 SOUTH of PU 3 40 1200 0 0 9 45 SOUTH of PU 4 0 1050 0 0 9 46 SOUTH of PU 5 20 1010 5 0 10 47 SOUTH of PU 6 30 1100 0 9 10 48 SOUTH of PU 7 20 1120 0 7 10 49 SOUTH of PU 8 50 1180 0 0 9 50 SOUTH of PU 9 20 1040 0 0 10 51 SOUTH of PU 10 40 970 0 0 10 52 SOUTH of PU 11 40 1230 2 2 10 53 SOUTH of PU 12 60 1350 2 0 8 54 SOUTH of PU 13 40 930 7 2 10 55 SOUTH of PU 14 70 1010 0 0 9 56 SOUTH of PU 15 90 ; 980 2 0 10 57 SOUTH of PU 16 30 890 2 2 9 58 SOUTH of PU 17 10 1180 5 4 9 59 SOUTH of PU 18 60 1140 0 5 10 60 SOUTH of PU 19 50 800 2 2 9 A:\~IDV\ILK 1.Vvt:tl 2

06/15/99 CIMA~RON FACILITY SIDEWALKS SUB AREA "I" ALPHA AND BETA/GAMMA AFFECTED - PHASE 11

INSTRUMENTS LUDLUM MICRO-R METER - MODEL 19 ALPHA DIRECT LUDLUM 2224 89 PROBE ,

BETA DIRECT LUDLUM 2224 89 PROBE SIN 138420 114616 114616 RESULTS IN Micro-R/Hr DPM/100cm 2 DPM/100cm 2 8KG 9

4cpm 288 cpm MDA 2

72DPM 542 DPM ALPHA - .3cpm 11 Cl-01 DPM/100cm 2 DPM/100cm ..

ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA - 2cpm 18 DPM/100 cm 2 DPM/100cm 2 REVIEWED BY: --zv_ a . ~ DATE: 6-1C.-75 LN AFFECTED AREA READING DIRECT' SMEAR µR/Hr@

SIDEWALKS ID ALPHI BETA ALPHA BETA 1 METER 61 SOUTH of PU 20 90 980 0 0 9 62 SOUTH of PU 21 30 1020 0 0 g 63 SOUTH of PU 22 70 !

1150 0 0 8 64 SOUTH of PU 23 60 ! 1210 0 0 10 65 SOUTH of PU 24 60 1170 0 0 9 66 SOUTH of PU 25 10 900 0 5 10 67 SOUTH of PU 26 30 , 1100 0 2 10 68 SOUTH of PU 27 30 1040 0 2 g 69 SOUTH of PU 28 50 1150 0 0 9 70 SOUTH of PU 29 70 1080 0 2 8 71 SOUTH of PU 30 30 1210 0 0 g 72 SOUTH of PU 31 60 1150 0 0 10 73 SOUTH of PU 32 10 : 1070 0 7 9 74 SOUTH of PU 33 70 : 1390 2 0 10 75 SOUTH of PU 34 20 1190 0 0 9 76 SOUTH of PU 35 60 1300 0 2 9 77 SOUTH of PU 36 50 1120 0 0 9 78 SOUTH of PU 37 100 1010 0 9 9 79 SOUTH of PU 38 40 1280 5 2 10 80 SOUTH of PU 39 70 920 0 2 9 81 SOUTH of PU 40 50 980 2 2 9 82 SOUTH of PU 41 110 1050 0 0 9 83 SOUTH of PU 42 30 1210 0 0 10 84 SOUTH of PU 43 40 1070 0 0 9 85 SOUTH of PU 44 90 1050 2 0 9 86 SOUTH of PU 45 50 1300 0 0 10 87 SOUTH of PU 46 40 970 0 0 9 88 SOUTH of PU 47 40 920 2 7 9 89 SOUTH of TI02 1 70 744 2 2 6 90 SOUTH of Tl02 2 70 876 0 2 7 A:\~I V\ LK 1.WB2 ::s

06/15/99 CIMARRON FACILITY SIDEWALKS SUB AREA "I" ALPHA AND BETA/GAMMA AFFECTED - PHASE II

INSTRUMENTS LUDLUM MICRO-R METER - MODEL 19 ALPHA DIRECT LUDLUM 2224 89 PROBE BETA DIRECT LUDLUM 2224 89 PROBE I

S/N 138420 114616 114616 RESULTS IN Micro-R/Hr DPM/100cm 2 DPM/100cm 2 8KG 9

4cpm 288 cpm MDA 2

72 DPM 542 DPM ALPHA - .3 cpm 11 Cl-01 DPM/100cm2 DPM/100cm*

ALPHA AND BETA SMEAR TENNELEC LB-51Q0 BETA- 2cpm 18

! DPM/100 cm 2 DPM/100cm*

REVIEWED BY: ~ . O,._. ~ ,

DATE: ro-1,-r'?

LN AFFECTED AREA READING !DIRECT SMEAR µR/Hr@

SIDEWALKS ID ALPHA BETA ALPHA BETA 1 METER 91 SOUTH of TI02 3 50 ; 624 0 0 7 92 SOUTH of Tl02 4 30 , 996 0 5 6 93 SOUTH of TI02 5 40 1128 0 0 6 94 SOUTH otTI02 6 60 I 1032 0 0 6 95 SOUTH of 1102 7 80 720 0 0 5 96 SOUTH of Tl02 8 60 876 2 0 6 97 SOUTH of TI02 9 30 816 0 5 6 98 SOUTH of TI02 10 20 732 0 0 7 99 SOUTH ofTI02 11 30 1044 0 2 6 100 SOUTH of TI02 12 50 i 1128 0 5 7 101 SOUTH of TI02 13 80 :

888 0 0 5 102 SOUTH of Tl02 14 50 1032 0 0 7 A:\SIDWLK_I.WB2 4

06/15199 CIMARRON CORPORATION -CIMARRON FACILITY ALPHA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "r SIDEWALKS (AFFECTED) n = DPM /100cm' Number n (n-N l (n *N)' No. of Samples (x) : 102 1 190 135.6 18384.2 2 90 35.6 1266.5 COUNT TIME: 0.5 MINUTES 3 0 -54.4 2960.6 4 70 15.6 243.0 Sampll M an (N) = Sum(n) + (x) 5 100 45.6 2078.3 Sampl Mean (N) : j 54.41 6 90 35.6 1266.S 7 120 65.6 4301 .8 8 100 45.6 2078.3 9 80 25.6 654.8 10 70 15.6 243.0 Standard Deviation (Sdl = SQRT [(n-N}1 + (x -1)]

11 50 -4.4 19.5 12 60 5.6 31.2 13 50 -4.4 19.5 Stan~rd Devialion: I 37.62 14 60 -4.4 19.5 2 stji Dev1aUons: . 75.23 15 70 15.6 243.0 Degr~ of Freedom(df).= (x)

1 0111.111 llst&d on Table B-1 16 300 245.6 60313.6 I (df)::: ! 1.662 I 17 50 -4.4 19.S 18 40 -14.4 207.7 Area's ~ varage Level (Aµ),. (N) + (df} x [(Sd)/SQRT(x)]

19 10 -44.4 1972.4 20 60 5.6 31.2 (Aµl = DPM /100cm 2 21 50 .... 4 19.5 GUIPELINE VALUE: DPM /100cm2 22 60 5.6 31.2 Accepljlbla Level: OPM /100cm2 23 90 35.6 1266.5 2* 30 -24.4 595.9 25 60 5.6 31.2 TABLE B -1 26 20 -34.4 1184.2 Fae ors for Comparision of Survey Data with Guidelines 27 70 15.6 243.0 (dfj 953/4 97.5'-' (df} 95% 97.5%

28 40 -14.4 207.7 1: 6.314 12.706 19 1.729 2.093 29 40 -14.4 207.7 2: 2.92 4.303 20 1.725 2.086 30 70 15.6 243.0 3i 2.353 3.182 21 1.721 2.08 31 70 15.6 243.0 4' 2.132 2.776 22 1.717 2.074 32 40 -14.4 207.7 5 2.015 2.571 23 1.714 2.069 33 50 -4.4 19.5 6 1.943 2.447 24 1.711 2.064 34 80 25.6 654.B 7 1.895 2.365 25 1.708 2.06 35 20 -34.4 1184.2 s: 1.86 2.306 26 1.706 2.056 36 60 5.6 31.2 9 1.833 2.262 27 1.703 2.052 37 JO -24.4 595.9 10: 1.812 2.228 28 1.701 2.048 38 20 -34.4 1184.2 11 ; 1.796 2.201 29 1.699 2.045 39 40 -14.4 207.7 12i 1.782 2.179 30 1.697 2.042 40 40 -14.4 207.7 13 1.771 2.16 40 1.684 2.021 41 20 -34.4 1184.2 14 1.761 2.145 60 1.671 2 42 30 -24.4 595.9 15 1.753 2.131 120 1.658 1.98 43 20 -34.4 1184.2 16 1.746 2.12 400 1.649 1.966 44 40 -14.4 207.7 17 1.74 2.11 Infinite 1.645 1.96 45 0 -54.4 2960.6 18, 1.734 2.101 46 20 4.4 1184.2 47 30 -24.4 595.9 48 20 -34.4 1184.2 For valJes of Degrees of Frltlldom not listed:

49 50 .... 4 19.5 lnterpoi.te between the list*;..::d~v-=*1-=u",;___*- - - . - - - - - - , - - - - - . - - - - ,

50 20 -34.4 1184.2 (df) higt, value{Z) 1--_1.;.;.2_0_-4-_i_s-'-'(B-'-l-1--1_.6_5_8--+-_9_5_3/4----l 2540.0 27020.2 (df) low value(Y) ~-,...,60-:---+--l_s.:..<A..:..l_.__1_.6_7_1__.__9_5_1/4__,

130.0 674.2 Desiredvalueidf)(X) 101 is calculatsd as follow:

0.0 0.0 EXP[( (l.n(B}*Ln(A)) + (Z-Y) :...l.!:.(X.:....*Y:...!)_+.=L.:....n(""A"-']'-r--

) --..-------,

0.0 0.0 The (df) value for (X) L !_ _ 1_0_1_ ___._1_1_.6_6_2_.__9_5....c.'.4'-----'

o.o 0.0 0.0 0.0 DATE: bh.5 it9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 REVIEWED BY: DATE:

0.0 0.0 0.0 0.0 0.0 0.0 0.0 o.o 0.0 0.0 0.0 0.0 0.0 0.0 0.0 o.o 0.0 o.o TOTAL 5550 142914.7 Sum(n) Sum(n-N)'

A:\SIDWI..KCA.1/JB2

06/15/99 CIMARRON CORPORATION -CIMARRON FACILITY ALPHA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I" SIDEWALKS (AFFECTED) n = DPM /1 OOcm 2 Number n (n-N) (n-N) 2 Number n (n-N) (n-N)'

51 40 -14.4 207.70 101 80 25.6 654.76 52 40 -14.4 207.70 102 50 -4.4 19.46 53 60 5.6 31.23 103 0.0 0.00 0.00 54 40 -14.4 207.70 104 0.0 0.00 0.00 55 70 15.6 242.99 105 0.0 0.00 0.00 56 90 35.6 1266.52 106 0.0 0.00 0.00 57 30 -24.4 595.93 107 0.0 0.00 0.00 58 10 -44.4 1972.40 108 0.0 0.00 0.00 59 60 5.6 31.23 109 0.0 0.00 0.00 60 50 -4.4 19.46 110 0.0 0.00 0.00 61 90 35.6 1266.52 111 0.0 0.00 0.00 62 30 -24.4 595.93 112 0.0 0.00 0.00 63 70 15.6 242.99 113 0.0 0.00 0.00 64 60 5.6 31.23 114 0.0 0.00 0.00 65 60 5.6 31.23 115 0.0 0.00 0.00 66 10 -44.4 1972.40 116 0.0 0.00 0.00 67 30 -24.4 595.93 117 0.0 0.00 0.00 68 30 -24.4 595.93 118 0.0 0.00 0.00 69 50 -4.4 19.46 119 0.0 0.00 0.00 70 70 15.6 242.99 120 0.0 0.00 0.00 71 30 -24.4 595.93 121 0.0 0.00 0.00 72 60 5.6 31.23 122 0.0 0.00 0.00 73 10 -44.4 1972.40 123 0.0 0.00 0.00 74 70 15.6 242.99 124 0.0 0.00 0.00 75 20 -34.4 1184.17 125 0.0 0.00 0.00 76 60 5.6 31.23 126 0.0 0.00 0.00 77 50 -4.4 19.46 127 0.0 0.00 0.00 78 100 45.6 2078.29 128 0.0 0.00 0.00 79 40 -14.4 207.70 129 0.0 0.00 0.00 80 70 15.6 242.99 130 0.0 0.00 0.00 81 50 -4.4 19.46 131 0.0 0.00 0.00 82 110 55.6 3090.05 132 0.0 0.00 0.00 83 30 -24.4 595.93 133 0.0 0.00 0.00 84 40 -14.4 207.70 134 0.0 0.00 0.00 85 90 35.6 1266.52 135 0.0 0.00 0.00 86 50 -4.4 19.46 136 0.0 0.00 0.00 87 40 -14.4 207.70 137 0.0 0.00 0.00 88 40 -14.4 207.70 138 0.0 0.00 0.00 89 70 15.6 242.99 139 O.D 0.00 0.00 90 70 15.6 242.99 140 0.0 0.00 0.00 91 50 -4.4 19.46 141 0.0 0.00 0.00 92 30 -24.4 595.93 142 0.0 0.00 0.00 93 40 -14.4 207.70 143 0.0 0.00 0.00 94 60 5.6 31.23 144 0.0 0.00 0.00 95 80 25.6 654.76 145 0.0 0.00 0.00 96 60 5.6 31.23 146 0.0 0.00 0.00 97 30 -24.4 595.93 147 0.0 0.00 0.00 98 20 -34.4 1184.17 148 0.0 0.00 0.00 99 30 -24.4 595.93 149 0.0 0.00 0.00 100 50 -4.4 19.46 150 0.0 0.00 0.00

2540.0 Sum(n) 27020.2 Sum{n-N)2 130.0 Sum(n)

PAGE 20F 2 674.2 Sum(n-N) 2 A:\SIDWLKCA.WB2

06/15199 CIMARRON CORPORATION - CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "r SIDEWALKS (AFFECTED) n = DPM /100cm 2 Numt,.r n (n-N) (n-N)' No. of Samp les (x) : 102 1 750 -326.5 106621.5 2 1160 83.5 6967.3 COUNT TIME: 0.5 MINUTES 3 870 -206.5 42654.4 4

5 1040 11isu

-36.5 103.5 1334.4 10706.2 Sam Samp pt Mean (N) z Sum(n) + (x)

Maan (N) : ! 1076.53 6 1050 -26.5 703.8 7 1190 113.5 12875.6 8 950 -126.5 16009.7 9 1220 143.5 20583.8 10 1190 113.5 12875.6 Stand rd O.viation (Sd) = SQRT [tn-Nt' + (x

1 )]

11 1330 253.5 64247.3 12 1110 33.5 1120.3 i 13 950 -126.5 16009.7 Stantrd Deviation: 171.11 14 910 -166.5 27732.0 2 S Deviations: 342.22 15 1400 323.5 104633.2 Degre of Freedom(df).= (x) -1 Data listed on Table B-1 16 700 -376.5 141774.4 1 (df)= I 1.662 !

17 940 -136.5 18640.3 18 19 980 1080

-96.5 9317.9 12.0 Ama+,o~g* Lo,ol IA*I * (N) + (dn x [fSd)ISQRT(>)]

3.5 20 1UC>U -26.5 703.8 (Aµ)= ~ - DPM /100cnr 21 1Ub0 -26.5 703.8 GVjoEUNE VALUE: DPM /1 OOcm*

22 1160 83.5 6967.3 Acceptable Level: OPM /100cm*

23 840 -236.5 55946.2 l 24 1120 43.5 1889.7 25 1380 303.5 92094.4 TABLE B -1 26 1270 193.5 37430.9 Fa, ltorS for Comparl5lon of Survey Dau with Guldelin&S 27 1050 -26.5 703.8 (d~ 953/4 97.5% (df) 95% 97.5°,4 28 1280 203.5 41400.3 1 6.314 12.706 19 1.729 2.093 29 1230 153.5 23553.2 2 2.92 4.303 20 1.725 2.086 30 1330 253.5 64247.3 3 2.353 3.182 21 1.721 2.08 31 1170 93.5 8736.8 41 2.132 2.776 22 1.717 2.074 32 870 -206.5 42654.4 5; 2.015 2.571 23 1.714 2.069 33 1020 -56.S 3195.6 6: 1.943 2.447 24 1.711 2.064 34 1210 133.5 17814.4 7: 1.895 2.365 25 1.708 2.06 35 1110 33.5 1120.3 8: 1.86 2.306 26 1.706 2.056 36 1220 143.5 20583.8 9: 1.833 2.262 27 1.703 2.052 37 1160 83.5 6967.3 1 1.812 2.228 28 1.701 2.048 38 1610 533.5 284590.9 11 1.796 2.201 29 1.699 2.045 39 1180 103.5 10706.2 1, 1.782 2.179 30 1.697 2.042 40 1270 193.5 37430.9 1, 1.771 2.16 40 1.684 2.021 41 1310 233.5 54508.5 1i 1.761 2.145 60 1.671 2 42 1000 -76.5 5856.8 1 1.753 2.131 120 1.658 1.98 43 1110 33.5 1120.3 11 1.746 2.12 400 1.649 1.966 44 1200 123.5 15245.0 1' 1.74 2.11 Infinite 1.645 1.96 45 1050 -26.5 703.8 1 1.734 2.101 46 1010 -66.5 4426.2 47 1100 23.5 550.9 I

48 1120 43.5 1889.7 For val~es of Degre-es of Frffdom not listed:

49 1180 103.5 10706.2 Interpolate betweitn the llsted.--v--'-alu_e_s_.---r----,---....,......---,

50 1040 -36.5 133,U (df) high value(Z) 120 is {8) 1.658 95%

521B6.0 1449039.0 (df) low value(Y) 60 is (A) 1.671 95*.4 1920.0 37526.2 Desired value(df) (X) 101 Is calculated as follow:

0.0 0.0 EXP[( (ln(B)-Ln(A)) + (Z-Y) ),--'('-X,_Y.,_)+_L_n.:....(A...:..}]=--,.....---T""-"-~

0.0 0.0 The (df) value for (X) I 101 I 1.662 95°.4 !

0.0 0.0 0.0 0.0 PERFORMED eY: .A'~ U-<; £~ DATE: tolts~lrr 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 REVIEWED BY: DATE:

0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 TOTAL 109806 2957167.4 Sum{n) Sum(n-N)'

A:\SIDV'.t.KC8 .WB2

06/15/99 CIMARRON CORPORATION - CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VAWE AT 95% CONFIDENCE AREA "I" SIDEWALKS (AFFECTED) n = DPM /1OOcm 2 Number n (n-N) (n-Nf Number n (n-N) (nMN)2 51 970 -106.5 11348.52 ; 101 888 -188.5 35543.34 52 1230 153.5 23553.22 102 1032 -44.5 1982.87 53 1350 273.5 74786.16 103 0.0 0.00 0.00 54 930 -146.5 21470.87 104 0.0 0.00 0.00 55 1010 -66.5 4426.16 105 0.0 0.00 0.00 56 980 -96.5 9317.93 106 0.0 0.00 0.00 57 890 -186.5 34793.22 107 0.0 0.00 0.00 58 1180 103.5 10706.16 108 0.0 0.00 0.00 59 1140 63.5 4028.52 109 0.0 0.00 0.00 60 800 -276.5 76468.52 110 0.0 0.00 0.00 61 980 -96.5 9317.93 111 0.0 0.00 0.00 62 1020 -56.5 3195.57 112 0.0 0.00 0.00 63 1150 73.5 5397.93 113 0.0 0.00 0.00 64 1210 133.5 17814.40 114 0.0 0.00 0.00 65 1170 93.5 8736.75 115 0.0 0.00 0.00 66 900 -176.5 31162.63 116 0.0 0.00 0.00 67 1100 23.5 550.87 117 0.0 0.00 0.00 68 1040 -36.5 1334.40 118 0.0 0.00 0.00 69 1150 73.5 5397.93 119 0.0 0.00 0.00 70 1080 3.5 12.04 120 0.0 0.00 0.00 71 1210 133.5 17814.40 121 0.0 0.00 0.00 72 1150 73.5 5397.93 122 0.0 0.00 0.00 73 1070 -6.5 42.63 123 0.0 0.00 0.00 74 1390 313.5 98263.81 124 0.0 0.00 0.00 75 1190 113.5 12875.57 125 0.0 0.00 0.00 76 1300 223.5 49939.10 126 0.0 0.00 0.00 77 1120 43.5 1889.69 127 0.0 0.00 0.00 78 1010 -66.5 4426.16 128 0.0 0.00 0.00 79 1280 203.5 41400.28 129 0.0 0.00 0.00 80 920 -156.5 24501.46 130 0.0 0.00 0.00 81 980 -96.5 9317.93 131 0.0 0.00 0.00 82 1050 -26.5 703.81 132 0.0 0.00 0.00 83 1210 133.5 17814.40 133 0.0 0.00 0.00 84 1070 -6.5 42.63 134 0.0 0.00 0.00 85 1050 -26.5 703.81 135 0.0 0.00 0.00 86 1300 223.5 49939.10 136 0.0 0.00 0.00 87 970 -106.5 11348.52 137 0.0 0.00 0.00 88 920 -156.5 24501.46 138 0.0 0.00 0.00 89 744 -332.5 110575.81 139 0.0 0.00 0.00 90 876 -200.5 40212.04 140 0.0 0.00 0.00 91 624 -452.5 204782.87 141 0.0 0.00 0.00 92 996 -80.5 6484.99 142 0.0 0.00 0.00 93 1128 51.5 2649.22 143 0.0 0.00 0.00 94 1032 -44.5 1982.87 144 0.0 0.00 0.00 95 720 -356.5 127113.22 145 0.0 0.00 0.00 96 876 -200.5 40212.04 146 0.0 0.00 0.00 97 816 -260.5 67875.57 147 0.0 0.00 0.00 98 732 -344.5 118700.52 148 0.0 0.00 0.00 99 1044 -32.5 1058.16 149 0.0 0.00 0.00 100 1128 51.5 2649.22 150 0.0 0.00 0.00 52186.0 1449039.0 1920.0 37526.2 Sum(n) Sum(n-N)2 Sum(n) Sum(n-N) 2 PAGE 20F 2 A:\SIDWLKCB.WB2

VE TYPICAL SURVEY PATTERN OF PU YARD LIGHT POLE NOTE:

REFER TO DATA TABLE FOR SURVEY RESULTS.

~ CIMARRON CORPORATION Cl MARRON FACILITY PHASE II - SUB-AREA I

- SURVEY PATTERN LOCATIONS

LIGHT POLES IN PU YARD r-=-r----:~:::::'.".'--------~---,--~-,.----lt-:::o;.R¥.N~.--r.DA~rr==---5-2_2_9_9_-.ls"'!""CA~lf:--N-O_N_E- - '

REV. DESCRIPTION ORVIN BY: Cl('D BY: IJ >p'O BY: (),l.T[ 8Y J[

0 DRAWING ISSUED. JE WR JL 6/21/99 JOB NO. DFAW1NG HO.

LITEPOLES PU YARD I o*

REV

...SUBAREAI\FEATURES\LfTEPOLES-PU-YARD

70 60 50 40 30 20 10 0 10 20 30 -40 I I I I I i I I I I I I 29 0 J - 290 0

~ (289N, 54W) (289N, 14W) (289N, 21E)0 28 0- ~ 280 270- ~270 260- -260 250 - -250 J (24 4N, 54W)

PLUTONIUM 240 - BUILDING - 240 (236N , 21 E)° 230- - 230

- 220 210- -210 SEPTIC TAMK - - . . i--

.. (202N, 21 E) 0 200- - 200

J ( 198N, 54W) j 190-SUB-AREA I

- -"~ * '-'-+-.:....!.....;..

' ..:...c

' '---+-.L..+-1...~ * ..._*µ....J-,.....',......

-st~EWALK

'-,. ._ *le

, ............-+-<:.c+-'.c-'---1-+-'......_.___.

/

!-..<, , ...._.'......__ _ t--

i , _,_

R 190

- 180 180-

/ ~ ~

H

~

I I I I I 60 50 40 30 20 10

~ CIMARRON CORPORATION NOTE: LEGEND:

REFER TO DATA TABLE FOR SURVEY RESULTS. 0 LIGHT POLE CIMARRON FACILITY 15 0 15 PHASE II - SUB-AREA l PU PLANT YARD - LIGHT POLES SCALE IN METERS DATE SCA!.£:

1--...------------------...+-------1DRWN.

REY. DESCRIPTION DR"t'N BY: CK'D BY: J>P'D BY: (),l.1[ BY JE 6- 7-99 AS SHOWN

. _ _ + - - - - - - - - - - - - - - - + - - + - - - - + + - - - + - - - , - - , - - f JOB ~O. DRAWINC NO.

99POSIPUS-2 t REVo*

0 DRAWING ISSUED. JE WR i JL 6/21 / 99

.. .\SUBAREAI\F£ATURES\UTEPOLES-PU-YARDI

05/19/99 Cl~ARRON FACILITY PU y ARD LIGHTS : SUB AREA II I" ALPHA AND BETA/~AMMA AFFECTED PHASE II

' SIN RESU[TSIN BAt,;KU.-:.~.H..!ND MDA INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 4 PROBE 37807 DPM/100cm 2 6cpm 134 DPM BETA DIRECT LUDLUM 2220 68 PROBE 50064 DPM/100cm 2 312 cpm 606 DPM ALPHA- .3cpm 12 Cl--01 DPM/100cm 2 DPM/100cm 2 ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 20438 DPM/100 cm 2 DPM/100cm 2 REVIEWED BY: V.

READING

°'~ ~ {I DATE: S-)... 'i-? y LN PU YARD LIGHTS LOCATIOIN DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 1 54 w 198 N 1A 0 825 0 5 2 54 w 198 N 18 40 0 0 5 3 54 w 198 N 1C 80 0 2 5 4 54 w 198 N 1D 60 450 2 2 5 54 w 198 N 1E 30 0 0 0 6 54 w 198 N 1F 70 420 0 7 7 54 w 198 N 1G 100 435 0 2 8 54 w 198 N 1H 288 598 0 0 9 54 w 198 N 11 84 621 0 10 10 54 w 198 N 1J 60 322 0 0 11 54 w 198 N 1K 48 943 0 2 12 54 w 244 N 2A 100 1275 0 0 13 54 w 244 N 28 50 0 0 5 14 54 w 244 N 2C 40 0 2 0 15 54 w 244 N 2D 30 0 0 2 16 54 w 244 N 2E 30 240 0 2 17 54 w 244 N 2F 120 255 4 g 18 54 w 244 N 2G 10 0 0 5 19 54 w 244 N 2H 168 1127 2 2 20 54 w 244 N 21 156 1196 0 0 21 54 w 244 N 2J 144 1587 2 0 22 54 w 244 N 2K 0 1242 2 0 23 54 w 289 N 3A 120 1350 0 2 24 54 w 289 N 38 90 0 0 0 25 54 w 289 N 3C 60 0 4 5 26 54 w 289 N 30 50 0 0 5 27 54 w 289 N 3E 80 0 7 2 28 54 w 289 N 3F 130 255 0 2 29 54 w 289 N 3G 160 115 0 0 30 54 w 289 N 3H 96 667 2 2 A:\PUYDLTDA.WB2 1

05/19/99 CIMARRON FACILITY PU YARD LIGHTS SUB AREA "I" ALPHA AND BETA/GAMMA AFFECTED PHASE II SIN RESULTS IN BACKGROUND MDA INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 4 PROBE 37807 DPM/100cm 2 6cpm 134 DPM BETA DIRECT LUDLUM 2220 68 PROBE 50064 DPM/100cmz 312 cpm 606 DPM ALPHA- .3cpm 12 Cl-01 DPM/100cm 2 DPM/100cmz ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 20438 DPM/100 cm 2 DPM/100cm 2 REVIEWED BY: -i LJ_a_ ~~~ DATE: 5-)-Y- 'lJ READINC11 LN PU YARD LIGHTS LOCATION '

DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 31 54 w 289 N 31 372 1012 2 0 32 54 w 289 N 3J 0 0 0 5 33 54 w 289 N 3K ! 156 0 0 2 34 14 w 289 N 4A I 60 465 2 0 35 14 w 289 N 48 : 70 0 7 0 36 14 w 289 N 4C i 110 0 0 0 37 14 w 289 N 4D I 180 660 0 7 38 14 w 289 N 4E 200 165 7 0 39 14 w 289 N 4F 320 285 0 2 40 14 w 289 N 4G 240 345 0 0 41 14 w 289 N 4H i 348 161 0 2 42 14 w 289 N 41 ' 324 1035 2 2 43 14 w 289 N 4J !

I 252 1541 0 0 44 14 w 289 N 4K 72 0 2 12 45 21 E 289 N SA 30 720 0 0 46 21 E 289 N 58 !

100 0 0 5 47 21 E 289 N SC i 50 0 2 0 48 21 E 289 N 5E 20 0 2 2 49 21 E 289 N 5D 40 0 0 10 50 21 E 289 N SF 130 0 2 2 51 21 E 289 N 5G 160 0 0 0 52 21 E 289 N SH 252 506 0 0 53 21 E 289 N 51 264 506 2 0 54 21 E 289 N SJ I 240 2587 2 2 55 21 E 289 N SK '

156 230 4 0 56 21 E 236 N 6A 60 675 0 0 57 21 E 236 N 68 10 180 4 0 58 21 E 236 N 6C 20 15 4 5 59 21 E 236 N 6D 10 o 0 o 60 21 E 236 N 6E 50 0 2 0 A.\PUYDL TDA.WB2 2

05/19/99 CIMARRON FACILITY PU YARD LIGHTS SUB AREA "I" ALPHA AND BETA/GAMMA AFFECTED PHASE II SIN KE~~~TSIN BACKGROUND MDA INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 4 PROBE 37807 DPM/100cm 2 Scpm 134 DPM BETA DIRECT LUDLUM 2220 68 PROBE 50064 DPM/100cm 2 312 cpm 606 DPM ALPHA- .3cpm 12 Cl-01 DPM/100cm 2 DPM/100cm 2 ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 20438 DPM/100 cm 2 DPM/100cm 2 REVIEWED BY: L< lct . ~ 0 ............ ~ DATE: 5---1-y- 17 READINC LN PU YARD LIGHTS LOCATION DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 61 21 E 236 N 6F 0 285 0 2 62 21 E 236 N 6G 60 0 2 0 63 21 E 236 N 6H 324 230 2 10 64 21 E 236 N 61

[

252 1058 2 0 65 21 E 236 N 6J 288 1587 0 0 66 21 E 236 N 6K 336 69 2 0 67 21 E 202 N 7A 30 1275 0 2 68 21 E 202 N 78 10 0 2 0 69 21 E 202 N 7C 40 0 0 0 70 21 E 202 N 7D i 80 0 2 0 71 21 E 202 N 7E 50 0 0 0 72 21 E 202 N 7F 80 0 0 0 73 21 E 202 N 7G 110 0 0 0 74 21 E 202 N 7H 144 253 0 2 75 21 E 202 N 71 : 192 506 2 0 76 21 E 202 N 7J 360 1104 4 7 77 21 E 202 N 7K 264 1610 2 2

A:\PUYDLTOA. WB2 3

00/15199 CIMARRON CORPORATION - CIMARRON FACILITY ALPHA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "P PU YARD LIGHTS (AFFECTED) n = DPM /100cm 2 Number n (n-N) (n-Nf No. or Samples (x) : 77 1 0 .0 -122.2 14934.7 2 0.0 -82.2 6758.1 couN!T TIME: 0.5 MINUTES 3 B0.0 -42.2 1781.5 4 60.0 -62.2 3869.8 Samplej Mean (N)

Sum(n) *~(_x)~-~~

5 30.0 -92.2 8502.3 Samp Mean (N): I 122.21 6 70.0 -52.2 2725.7 7 100.0 -22.2 493.2 8 288.0 165.8 27487.1 9 84.0 -38.2 1459.8 10 60.0 -62.2 3869.8 Deviation (Sd)., SQRT [(n-N)1 + fx

1)]

11 48.0 -74.2 5506.8 12 100.0 -22.2 493.2 13 50.0 -72.2 5214.0 Stand rd Deviation: 103.16 14 40.0 -82.2 6758.1 2 S DevlatJons: 206.32 15 30.0 -92.2 8502.3 Degree f Freedom(dl),= (x)

1 Data listed on Table 8-1 16 30.0 -92.2 8502.3 (df)r I 1.sss 1 17 120.0 -2.2 4.9 18 10.0 -112.2 12590.6 Area's +*erage Level (Aµ)= {N) + (df) x [(Sd)/SQRT(x)]

19 168.0 45.8 2096.9 I 20 156.0 33.8 1141.9 i (Aµ}"' DPM /100cm 2 I

21 144.0 21.8 474.9 GUl~EUNE VALUE: DPM /100cm 2 22 00 -122.2 1493-4.7 Accepl.jble Level: DPM /100cm 2 23 120.0 -2.2 4.9 24 90.0 -32.2 1037.3 25 60.0 -62.2 3869.8 TABLE B-1 26 50.0 -72.2 5214.0 Factpni for Compulsion of Survey Data witti Guidelines 27 B0.0 -42.2 1781.5 (df)! 95'1/4 97.5*~ (df) 95% 97.5%

28 130.0 7.8 60.7 1 . 6.314 12.706 19 1.729 2.093 29 160.0 37.8 1428.3 2 - 2.92 4.303 20 1.725 2.086 30 96 .0 -26.2 686.8 3: 2.353 3.182 21 1.721 2.08 31 372.0 249.8 62396.1 4 : 2.132 2.TT6 22 1.717 2.074 32 0.0 -122.2 14934.7 5 2.015 2.571 23 1.714 2.069 33 156.0 33.8 1141.9 5 : 1.943 2.447 24 1.711 2.064 3-4 60.0 -62.2 3869.8 7 1.895 2.365 25 1.708 2.06 35 70.0 -52.2 2725.7 8 1.86 2.306 26 1.706 2.056 36 110.0 -12.2 149.0 g : 1.833 2.262 27 1.703 2.052 37 1B0.0 57.8 3339.9 10 1.812 2.228 28 1.701 2.048 38 200.0 77.8 6051.6 11 : 1.796 2.201 29 1.699 2.045 39 320.0 197.8 39121.8 12 I 1.782 2.179 30 1.697 2.042 40 240.0 117.8 13875.0 13 I 1.771 2.16 40 1.684 2.021 41 348.0 225.8 50982.1 14 i 1.761 2.145 60 1.671 2 42 324 .0 201.8 40720.1 151 1.753 2.131 120 1.658 1.98 43 252.0 129.8 168't6.0 16 i 1.746 2.12 400 1.649 1.966 44 72.0 -50.2 2520.8 17 1 1.74 2.11 Infinite 1.645 1.96 45 30.0 -92.2 8502.3 18

1.734 2.101 46 100.0 -22.2 493.2 47 50.0 -72.2 5214.0 48 20.0 -102.2 10446.4 For valu~s of Degrees of Fre-edom not listed:

I 49 40.0 -82.2 6758.1 lnterpol.te between the liste.-d_v_a_lu_es_._--.------r~=-:- , - - - - ,

50 130.0 7.8 60.7 (df) higll value(Z) 60 Is (B) 1.671 95%

3842.0 366445.4 (df) low value{Y) 120 is (A) 1.658 95'/

0.0 0.0 DHl,..d Yalu.idf) (X) 76 is calculat&d as follow:

0.0 0.0 EXP[( (Ln(B},Ln(A) }+ {Z*Y} ....

) -'-(X_*Y_,)c....+_L_n.a..(A"""')-=r]- - - - - r - - - .

0.0 0.0 Th* (df) value for(~ ! 76 I 1.668 95%

0.0 0.0 *1 /.,..

0.0 0.0 PERFORMED B Y : * ~ -tf_.u+/-J.., DATE: 6,b0/'tf:

0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 REVIEWEDBY: 1(} .. o.... ~ DATE:_~_-_f_~_-_'/_7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 o.o 0.0 0.0 0.0 0.0 0.0 0.0 0.0 total 9410 808780.7 Sum(n) Sum(n-N}' PAGE 1 OF 2 A:\PUYL TACM.WB2

06/15/99 CIMARRON CORPORATION -CIMARRON FACILITY ALPHA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE; AT 95% CONFIDENCE AREA "I" PU YARD LIGHTS (AFFECTED) n = DPM /100cm 2 Number n (n-N) (n-N) 2 Number n (n-N) (n-N) 2 51 160.0 37.8 1428.25 101 0.0 0.00 0.00 52 252.0 129.8 16846.02 102 0 .0 0.00 0.00 53 264.0 141.8 20105.03 103 0.0 0.00 0.00 54 240.0 117.8 13875.00 104 0.0 0.00 0.00 55 156.0 33.8 1141.91 105 0.0 0.00 0.00 56 60.0 -62.2 3869.81 106 0.0 0.00 0.00 57 10.0 -112.2 12590.59 107 0.0 0.00 0.00 58 20 .0 -102.2 10446.43 108 0.0 0.00 0.00 59 10.0 -112.2 12590.59 109 0.0 0.00 0.00 60 50.0 -72.2 5213.97 110 0.0 0.00 0.00 61 0.0 -122.2 14934.74 111 0.0 0.00 0.00 62 60.0 -62.2 3869.81 112 0.0 0.00 0.00 63 324.0 201 .8 40720.10 113 0.0 0.00 0.00 64 252.0 129.8 16846.02 114 0 .0 0.00 0.00 65 288.0 165.8 27487.06 115 0.0 0.00 0.00 66 336.0 213.8 45707.11 116 0.0 0.00 0.00 67 30.0 -92.2 8502.28 117 0 .0 0.00 0.00 68 10.0 -112.2 12590.59 I

118 0.0 0.00 0.00 69 40.0 -82.2 6758.12 119 0.0 0.00 0.00 70 80.0 -42.2 1781.50 120 0.0 0.00 0.00 71 50.0 -72.2 5213.97 '121 0.0 0.00 0.00 72 80.0 -42.2 1781.50 122 0.0 0.00 0.00 73 110.0 -12.2 149.03 123 0.0 0.00 0.00 74 144.0 21.8 474.90 124 0.0 0.00 0.00 o.oo 75 192.0 69.8 4870.95 125 0.0 0.00 76 360.0 237.8 56545.13 126 0.0 0.00 0.00 77 264.0 141.8 20105.03 127 0.0 0.00 0.00 78 0.0 0.00 0.00 128 0.0 0.00 0.00 79 0.0 0.00 0.00 129 0.0 0.00 0.00 80 0.0 0.00 0.00 130 0.0 0.00 0.00 81 0.0 0.00 0.00 131 0.0 0.00 0.00 82 0.0 0.00 0.00 132 0.0 0.00 0.00 83 0.0 0.00 0.00 133 0.0 0.00 0.00 84 0.0 0.00 0.00 134 0.0 0.00 0.00 85 0.0 0.00 0.00 135 0.0 0.00 0.00 86 0.0 0.00 0.00 136 0,0 0.00 0.00 87 0.0 0.00 0.00 137 0 .0 0.00 0.00 88 0.0 0.00 0.00 138 0.0 0.00 0.00 89 0 .0 0.00 0.00 139 0.0 0.00 0.00 90 0.0 0.00 0.00 140 0.0 0.00 0.00 91 0.0 0.00 0.00 141 0.0 0.00 0.00 92 0.0 0.00 0.00 142 0.0 0.00 0.00 93 0.0 0.00 0.00 143 0.0 0.00 0.00 94 0.0 0.00 0.00 144 0.0 0.00 0.00 95 0.0 0.00 0.00 145 0.0 0.00 0.00 96 0.0 0.00 0.00 146 0.0 0.00 0.00 97 0.0 0.00 0.00 147 0.0 0.00 0.00 98 0.0 0.00 0.00 148 0.0 0.00 0.00 99 0.0 0.00 0.00 149 0.0 0.00 0.00 100 0.0 0.00 o.oo 150 0.0 0.00 0.00 3842.0 366445.4 0.0 0.0 Sum(n) Sum(n-N)2 Sum(n) Sum(n-N) 2 PAGE 2 OF 2 A: \PUYL TACM.WB2

06/15199 CIMARRON CORPORATION - CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I" PO YARD LIGHTS (AFFECTED) n = DPM /100cm 2 Number n (n-N) {n*Nf No. of Samples (x) : 77 1 825.0 396.6 157279.2 2 0.0 28.4 183539.9 COUNt TIME: 0.5 MINUTES 3 0.0 28.4 183539.9 4 450.0 21.6 465.9 &an (N) = Sum(n) + (x) 5 0.0 -428.4 183539.9 ean {N): ~, ~42-g-_~4-2~

6 420.0 -8.4 70.8 7 -435.0 6.6 43.4 8 598.0 169.6 28758.9 9 621.0 192.6 37088.8 10 322.0 -106.4 11324.3 Standa Deviation (Sd) = SQRT [(n-N)' + (:x -1)]

11 943.0 514.6 264797.1 12 1275.0 846.6 716705.2 i 13 0,0 -428.4 183539.9 Stand~ Deviation: 548.69 14 0.0 -428.4 183539.9 2 StdjDevlations: 1097.38 15 0 .0 -428.4 183539.9 Degnte ()f Fntedom(df).* (x)

1 Data listed on Table 8-1 16 240.0 -188.4 35500.4 {df)= I 1.6sa 1 17 255.0 -173 ..J 30073.0 18 0.0 -428 ..J 183539.9 Area's ~verage Level (Aµ)= (N) + (df) x [{Sd)/SQRT(x))

19 1127.0 698.6 488020.2 20 1196.0 767.6 589185.8 (Aµ)= DPM /100cm 2 21 1587.0 1158.6 1342317.8 GUIOl;LINE VALUE: DPM /100cm 2 22 1242.0 813.6 661919.6 Acceptable Level: DPM /100cm 2 23 1350.0 921.6 849317.8 24 0.0 -428.4 183539.9 25 0 .0 2U 183539.9 TABLE 8-1 26 0.0 -428.4 183539.9 Factc,rs for Comparision of Survey Data with Guidelines 27 0.0 -428.4 183539.9 (df} 9!5% 97.5% {df) 9!5'.4 97.5"/4 28 255,0 -173.4 30073.0 1 6.314 12.706 19 1.729 2.093 29 115.0 -313.4 98229.3 2

2.92 4.303 20 1.725 2.086 30 667.0 238.6 56922.5 3 , 2.353 3.182 21 1.721 2.08 31 1012.0 583.6 340570.8 4

2.132 2.TT6 22 1.717 2.074 32 0.0 -428.4 183539.9 5 2.015 2.571 23 1.714 2.069 33 0.0 -428.4 183539.9 6 1.943 2.447 24 1.711 2.06" 34 465.0 36.6 1338.4 7 1.895 2.365 25 1.708 2.06 35 0.0 --428.4 183539.9 8 1.86 2.306 26 1.706 2.056 36 0.0 --428.4 183539.9 9 1.833 2.262 27 1.703 2.052 37 660.0 231.6 53631.3 10 1.812 2.228 28 1.701 2.048 38 165,0 -263.4 69387.8 11

1.796 2.201 29 1.699 2.045 39 285.0 -143.4 20568.0 12! 1.782 2.179 30 1.697 2.042 40 345,0 -83.4 6958.2 13 . 1.771 2.16 40 1.684 2.021 41 161.0 -267.4 71511.1 14 , 1.761 2.145 60 1.671 2 42 1035.0 606.6 367944.7 15 1 1.753 2.131 120 1.658 1.98 43 1541 .0 1112.6 1237844.1 1s, 1.746 2.12 400 1.649 1.966 44 0.0 -428.4 183539.9 17 1.74 2.11 Infinite 1.645 1.96 45 720.0 291.6 85021.5 18 : 1.734 2.101 46 0.0 -428.4 183539.9 47 0.0 -428.4 183539.9 48 0.0 -428.4 183539.9 For valu;ts of Oeorees of Freedom not llsted:

49 0 .0 -428.4 183539.9 lnterpol,te between the listed.---v_al_u_ u _.- - - - . - - - - - , - - - - - , - - - - - ,

50 0 .0 -428.4 183539.9 {df) high value(Z) 1--- - 6_0_ _ _ _ ls..,_(B...,)_.,._1_.6_7_1-+_95_01._,--1 12676.0 11373581.8 {df) low value(Y) .,.__1_2_o_ _ _ _ ls__ __)_...._1_.6_5_8__.__95_*1,_,__,

(A 0.0 0.0 Deslrad value(df} (X) 76 is calculated as follow:

0.0 0.0 EXP[( (Ln(B)-l.n(A)) + (Z-Y) ... ) 1.....----,------,I

) ~<X_-Y__)_+_L_n{___A__

0.0 0.0 Th* (d1) value for (X) _ !_ _ 76_ _...1_ _ 1._66_B_~_9!5_0/4~.

0.0 0.0 . _,, I /_

0.0 0.0 PERFORMED Bv< ( .J,t.,L/4<<.,,~d oAre: t;11s/o/

0.0 0.0 o.o 0.0 0.0 0.0 0.0 o.o 0.0 0.0 REVIEWED BY: '1J * (A_ , ~

0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 o.o 0.0 o.o 0.0 total 32988 22880788.7 Sumfn) Sum(n-N)' PAGE 1 OF 2 A;\PUYL TBCM.WB2

06/15/99 CIMARRON CORPORATION - CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA n1n PU YARD LIGHTS (AFFECTED) n = DPM /100cm 2 Number n (n-N) (n-N) 2 Number n (n-N) (n-N) 2 51 0.0 -428.4 183539.91 101 0.0 0.00 0.00 52 506 .0 77.6 6019.34 102 0.0 0.00 0.00 53 506.0 77.6 6019.34 103 0.0 0.00 0.00 54 2587.0 2158.6 4659486.68 104 0.0 0.00 0.00 55 230.0 -198.4 39368.74 105 0.0 0.00 0.00 56 675.0 246.6 60803.87 106 0.0 0.00 0.00 57 180.0 -248.4 61710.30 107 0.0 0.00 0.00 58 15.0 -413.4 170912.45 108 0.0 0.00 0.00 59 0.0 -428.4 183539.91 109 0.0 0.00 0.00 60 0.0 -428.4 183539.91 110 0.0 0.00 0.00 61 285 .0 -143.4 20568.03 111 0 .0 0.00 0.00 62 0.0 -428.4 183539.91 112 0.0 0.00 0.00 63 230 .0 -198.4 39368.74 113 0.0 0.00 0.00 64 1058.0 629.6 396376.54 114 0.0 0.00 0.00 65 1587.0 1158.6 1342317.85 115 0.0 0.00 0.00 66 69.0 -359.4 129179.56 116 0.0 0.00 0.00 67 1275.0 846.6 716705.17 117 0.0 0.00 0.00 68 0.0 -428.4 183539.91 118 0.0 0.00 0.00 69 0.0 -428.4 183539.91 119 0.0 0.00 0.00 70 0.0 -428.4 183539.91 120 0.0 0.00 0.00 71 0 .0 -428.4 183539.91 121 0.0 0.00 0.00 72 0 .0 -428.4 183539.91 122 0.0 0.00 0.00 73 0.0 -428.4 183539.91 123 0.0 0.00 0.00 74 253.0 -175.4 30770.63 124 0.0 0.00 0.00 75 77.6 6019.34 125 0.00 0.00 506.0 0.0 76 1104.0 675.6 456414.30 126 0.0 0.00 0.00 77 1610.0 1181.6 1396141.73 127 0.0 0.00 0.00 78 0.0 0.00 0.00 128 0.0 0.00 0.00 79 0.0 0.00 0.00 129 0.0 0.00 0.00 80 0.0 0.00 0.00 130 0.0 0.00 0.00 81 0.0 0.00 0.00 131 0.0 0.00 0.00 82 0.0 0.00 0.00 132 0.0 0.00 0.00 83 0.0 0.00 0.00 133 0.0 0.00 0.00 84 0.0 0.00 0.00 134 0.0 0.00 0.00 85 0.0 0.00 0.00 135 0.0 0.00 0.00 86 0.0 0.00 0.00 136 0 .0 0.00 0.00 87 0,0 0.00 0.00 137 0.0 0.00 0.00 88 0.0 0.00 0.00 138 0.0 0.00 0.00 89 0,0 0.00 0.00 139 0 .0 0.00 0.00 90 0.0 0.00 0.00 140 0.0 0.00 0.00 91 0.0 0.00 0.00 141 0.0 0.00 0.00 92 0.0 0.00 0.00 142 0.0 o.oo 0.00 93 0.0 0.00 0.00 143 0.0 0.00 0.00 94 0.0 0.00 0.00 144 0.0 0.00 0.00 95 0.0 0.00 0.00 145 0 .0 0.00 0.00 96 0.0 0.00 0.00 146 0.0 0.00 0.00 97 0.0 0.00 o.oo 147 0 .0 0.00 0.00 98 0.0 0.00 0.00 148 0.0 0.00 0.00 99 0.0 0.00 0.00 149 0.0 0.00 0.00 100 0.0 0.00 0.00 150 0.0 0.00 0.00 12676.0 11373581.8 0.0 0.0 Sum(n) Sum(n*N) 2 Sum(n) Sum(n-N) 2 PAGE 2 OF 2 A:\PUYL TBCM.WB2

100 200 300 400 500 600 400 r-_ _1 100

__ _ _ _ _ _ _ _ ~u~ - - - - - ; : - - - - ~ - - - - -- --~L-----T-;.?\_J___\\-----Jt::=::7 o>* --.---r--=----1-11-7T-:-v.-:::~=,~-7 400

\ I su~-AREA O~ I

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1 PIT PIT PIT I SUB-AREA E ( SUB-AREA N I #3 #2 #1 I URANIUM ASTE POND #1 l ~ BURIAL (BAC ILLED 1978) I 7.4+ ~ AREA #4 I I I I I I LIGHT POLE r---, SUB-AREA H I I I I I 300 l l r - - ,- . . -I * ,

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( 289N, 54W I BURIAL I I (289H, 14W) I AREA #2 I I I cc

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/ EAST SANITAR Y "-

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- -.--~ .. ~ - SEPTIC I \

TANK --- \ I J SUB-AREA A 100 URANIUM SUB-AREA N BLDG. /1 1 6.5 SUB- AREA K 50 0 50 SUB-AREA I +5.3 - - -IN METERS , I SCALE 0 -- _, 7.2+ _. 0 NOTES:

URANIUM (pCi/g U).

CIMARRON GAMMA SPEC SOIL COUNTER LEGEND:

6+ URANIUM, 1 - 30 pCi/g U

@ CIMARRON CORPORATION SITE SOIL BACKGROUND OF APPROX. 4.0 pCi/g U, 45+ URANIUM, > 30 pCifg U CIMARRON FACILITY NOT SUBTRACTED. PHASE II - SUB-AREA I UNAFFECTED LAND SOIL SAMPLE RESULTS - SURFACE SUB-AREA A l-.,---------------,,:=:::r,:::-=--r.::;:-:rr:;-_,

REV. DESCRIPTION BY: Cl(O Bl': N'f"O BY: ll-'TE ORWN.

BY JE DATE 5- 23-99 SCAI..£:

AS SHOWN 1--

0 +-D-::-:-RA,. . ., WIN-:G--,-:-ISS . - - - - - - - - - - r - iJrElwiWR;;--r1.L

-: -- =-:-:U=ED- 1116V'/ 2,T 1//QQlg9 JOB NO.

DRAWING t<<>. 99Pos,uNss- o o*

...\ SU8AREAI\ UNPFFECTED\ 99POSIUNSS 100 0 100 200

06/23/99 CIMARRON FACILITY SUB AREA 11 I 11 PHASE II UNAFFECTED LAND SURFACE RESULTS IN BACKGROUND MDA INSTRUMENTS: S/N LUDLUM MICRO 'R' METER - MIN 19 111299 µr/hr 9 2 LUDLUM 2220, UNSHIELDED 3,. X 1/2" Nal DETECTOR 97264 CPM 7578 N/A

CIMARRON SOIL Total U 4 5 COUNTER 4" X 4" X 16" Nal DETECTOR pCi/G Th (Nat) 1.5 1 BACKGROUND NOT SUBTRACTED REVIEWED BY: 1.,J,a_, ~ r : , p ~ DATE: S--/3-79 3" MIC!f{U MICRO LN GRID LOCATION DETECT R' R' O" - 6'

C.P.M. SURF 1 METER Total-U Th (Nat) 1 70 w 30 N 7544 7 6 8.8 1.5 2 70 w 50 N 7730 8 8 9.7 1.5 3 70 w 160 N 9322 10 8 7.9 1.7 4 60 w 30 s 7688 10 10 9.2 1.4 5 60 w 130 N 8446 9 8 9.9 1.5 6 60 w 190 N 9674 10 9 11.1 1.7 7 30 w 30 s 8758 10 10 8.5 1.2 8 10 w 40 N 8702 9 8 10.4 1.4 9 0 E 30 s 9696 10 10 9.9 1.7 10 90 E 30 s 8478 8 8 6.7 1.5 11 90 E 40 s 9020 8 8 6.0 1.6 12 90 E 50 s 8652 g 8 8.5 1.7 13 160 E 10 N 5676 5 6 5.3 0.9 14 190 E 0 N 6780 7 8 7.2 1.0 15 280 E 70 N 7532 8 8 6.5 1.2 16 370 E 90 N 7578 7 8 5.0 1.2 17 370 E 170 N 6544 6 7 7.3 0.8 18 370 E 300 N 7840 8 8 5.8 1.3 19 370 E 310 N 8204 10 9 4.8 1.3 20 390 E 310 N 6830 7 7 3.4 1.0 21 390 E 320 N 6606 7 7 5.4 0.8 22 410 E 340 N 7792 8 7 3.9 1.3 23 420 E 300 N 8080 8 8 10.0 1.6 24 440 E 240 N 7506 8 7 6.4 1.3 25 440 E 360 N 7950 8 8 6.1 1.4 26 460 E 350 N 8410 9 8 7.4 1.4 27 470 E 230 N 6198 5 6 5.9 0.8 28 470 E 260 N 7296 8 8 5.9 1.0 29 480 E 330 N 8498 9 9 7.4 1.4 30 500 E 230 N 7270 7 7 4.8 1.1 A:\UNLASURD.WB2

06/09/99

PHASE II SUB-AREA II CIMARRON SOIL COUNTER I II UNAFECTED LAND TOTAL URANIUM SOIL SAMPLE RESULTS SITE BACKGROUND OF 4 pCi/g NOT SUBTRACTED MARCH, 1999 URANIUM SAMPLE DATA 1 FREQUENCY DISTRIBUTION l 6

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w

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0 3 5 7 9 11 pCi/g NUMBER OF SAMPLES 30 AVERAGE SAMPLE 7.2 MINIMUM SAMPLE 3.4 MAXIMUM SAMPLE 11.1 STANDARD DEVIATION 2.0

A:\UNLASURD.WB2 1

Monday, April 12, 1999 PHASE II SUB-AREA "I" UNAFFECTED LAND CIMARRON SOIL COUNTER TOTAL THORIUM SOIL SAMPLE RESULTS

SITE BACKGROUND OF 1 pCi/g NOT SUBTRACTED MARCH, 1999 THORIUM SAMPLE RESULTS FREQUENCY DISTRIBUTION (f) w

_J 8

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LL 0

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w 4

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0 0.8 1.2 1.6 pCl/g NUMBER OF SAMPLES 30 AVERAGE SAMPLE 1.3 MINIMUM SAMPLE 0.8 MAXIMUM SAMPLE 1.7 STANDARD DEVIATION 0.3 A:\UNLASURD.WB2 1

05/18/99

PHASE II SUB-AREA "I" UNAFFECTED LAND MICRO-R METER READINGS @ SURFACE - UNAFFECTED -SURFACE SITE BACKGROUND OF 9 µR/hr NOT SUBTRACTED LUDLUM MODEL 19 SIN 111299 RESULTS IN µR/hr MARCH, 1999 MICRO "R" READINGS@ SURFACE FREQUENCY DISTRIBUTION 10 Cl)

C) z 8 0

<t:

w 6 c:::

LL 0

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w aJ

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z 0

5 6 7 8 9 10

µR/hr NUMBER OF READINGS 30 AVERAGE READING 8 MINIMUM READING 5 MAXIMUM READING 10 STANDARD DEVIATION 1.4

A:\UNLASURD.WB2

06/09/99

PHASEII SUB-AREA 0 1° UNAFFECTED LAND MICRO-R METER READINGS AT ONE METER ABOVE SURFACE SITE BACKGROUND OF 7-10 IJR/hr NOT SUBTRACTED LUDLUM MODEL 19 SIN 111299 RESULTS IN µRlhr

-UNAFFECTED - SURFACE MARCH, 1999

µR READINGS @ 1 !METER ABOVE SURFACE FREQUENCY DISTRIBUTION CJ) 16 z 14 c.9 0 12

<(

w 10 0::

LL 8

0 a:: 6 w

co

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2 z 0 6 7 8 9 10

µR/hr NUMBER OF READINGS 30 AVERAGE READING 8 MINIMUM READING 6 MAXIMUM READING 10 STANDARD DEVIATION 1

A:\UNLASURD.WB2

Monday,April12, 1999 PHASE II SUB-AREA "I" UNAFFECTED LAND 3" Nal DETECTOR UNAFFECTED - SURFACE GROSS GAMMA READINGS IN CPM LUDLUM MODEL 2220 SIN 97264 (UNSHIELDED)

BACKGROUND AVERAGE: 7578 CPM MARCH, 1999 3" Nal DETEC, OR READINGS FREQUENCY:DISTRIBUTION 12

~ 10 z

~ 8 w

0::

LL 6 0

ffi co 4

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> 2 z

0 5000 6000 , 7000 8000 9000 9500 9700 I CPM NUMBER OF READINGS 30 AVERAGE READING 7877 MINIMUM READING 5676 MAXIMUM READING 9696 STANDARD DEVIATION 968 A:\UNLASURD.WB2 1

05117/99 CIMARRON CORPORATION - CIMARRON FACILITY u TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA nrn ( UNAFFECTED) SURFACE n = p C'/

1'g TOTA L U Number n (n-N) l (n-N)' No. or Samples (x) : 30 1 B.8 1.6 2.7 2 9.7 2.5 6.4 COUNT TIME: 15 MINUTES 3 7.9 0.7 0.5 4 9.2 2.0 4.1 Sample Mean (NJ .. Sum(n) + (xi 5 9.9 2.7 7.5 Sample Mean (N): I 7.17 6 11.1 3.9 15.4 7 B.5 1.3 1.8 8 10.4 3.2 10.4 9 9.9 2.7 7.5 10 6.7 -0.5 0.2 Standard Dev iation (Sd) = SQRT [(n-N)' + (X -1)]

11 6.0 -1.2 1.4 12 8.5 1.3 1.8 13 5.3 -1.9 3.5 Sta,i.dard Deviation: ~

14 7.2 0.0 0.0 2 Std Deviations: ~

15 6.5 -0.7 0.4 Deg'"" of Fl'ffdom(df).= (x) - 1 Data listed on Table B--1 16 5.0 -2.2 4.7 (df)

I 1.699 I 17 7.3 0.1 0.0 18 5.8 -1.4 1.9 Area's Average Level (Aµ}= (N) + (df} x [(Sd)/SQRT{x)]

19 4 .8 -2.4 5.6 20 3.4 -3.8 14.2 (Aµ)= ~ pCi/gU TOTALU 21 5.4 -1.8 3.1 GUIDEUNEVALUE: pCilgU TOTAL u 22 3.9 -3.3 10.7 Acceptable Level: pCilgU TOTAL U 23 10.0 2.8 8.0 24 6.4 -0.8 0.6 25 6.1 -1.1 1.1 TABLE B-1 26 7.4 0.2 0.1 F~ctors for Comparlslon of Survey Data with Guidelines 27 5.9 -1.3 1.6 (cllf) 95% 97.5% (df} 951/o 97.5%

28 -1.3 1.6 12.706

' 6.314 19 1.729 2.093 5.9 29 7.4 0.2 0.1 . 2.92 4.303 20 1.725 2.086 30 4.8 -2.4 5.6 :1 2.353 3.182 21 1.721 2.08 31 0.0 0.0 0.0 '* 2.132 2.776 22 1.717 2.074 32 0.0 0.0 0.0 5 2.015 2.571 23 1.714 2.069 33 0 .0 0.0 0.0 6 1.943 2.447 24 1.711 2.064 34 0 .0 0.0 0.0 ?' 1.895 2.365 25 1.708 2.06 35 0.0 0.0 0.0 8 1.86 2.306 26 1.706 2.056 36 0.0 0.0 0.0 9 1.833 2.262 27 1.703 2.052 37 0 .0 0.0 0.0 10 1.812 2.228 28 1.701 2.048 38 0.0 0.0 0.0 1 1.796 2.201 29 1.699 2.045 39 0.0 0.0 0.0 12 1.782 2.179 30 1.697 2.042 40 0.0 0.0 0.0 3 1.771 2.16 40 1.684 2.021 41 0.0 0.0 0.0 4 1.761 2.145 60 1.671 2 42 0.0 0.0 0.0 15 1.753 2.131 120 1.658 1.98 43 0.0 0.0 0.0 16 1.746 2.12 400 1.649 1.966 44 0.0 0.0 0.0 17 1.74 2.11 Infinite 1.645 1.96 45 0.0 o.o 0.0 18 1.734 2.101 46 0.0 0.0 0.0 47 0.0 0.0 0.0 48 0.0 0.0 0.0 For values of Degrees of Freedom not listed:

49 0.0 0.0 0.0 Interpolate between th~e_lls_te_d_v_a~lu_es_.- - - - - - - - ~

50 0.0 o.o 0.0 (df) high value(Z) 40 Is (B) 1.684 95%

0.0 0.0 (df) low value{Y) 29 Is (Al 1.699 95%

0.0 0.0 Desired value(df) {X) 29 Is calculated as follow:

0.0 0.0 EXP[( (Ln(B)-Ln(A)) + (Z-Y) ) (X-Y) + Ln(A)]

0.0 0.0 The (d~ value lo~) I 29 I 1.699 I *S3/4 8~~4~

0.0 0.0 0.0 0.0 PERFORMED DATE:

0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 REVIEWED BY: 1J, 0. * ~ DATE:

0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 total 215.1 122.5 Sum(n1 Sum(n-N) 2 PAGE 1 OF 1 A:\CMUAFSRU.VV82

~ - - - - - - - - - - - - - - - ---*-- --* *- -

Monday,Apnl 12, 1999 CIMARRON CORPORATION

CIMARRON FACILITY TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I" ( UNAFFECTED) SURFACE o = pCi/,z: Th (NAT)

Number n (n-N) (D-N)i No. of Samples (x): 30 I 1.5 0.19 0.04 2 1.5 0.19 0.04 COUNT TIME: 5 MINUTES 3 1.7 0.39 0.15 i 4 1.4 0.09 0.01 ~ample Mean (N) = Sum(n) + (x) s 1.5 0.19 0.04 ~ample Mean (N): I 1.31 !

6 1.7 0.39 0.15 7 1.2 -0.11 0.01 8 1.4 0.09 0.01 9 1.7 0.39 0.15 10 1.5 0.19 0.04 Standard Deviation (Sd) = SQRT [(n-N)2 ..;, (x - l))

11 1.6 0.29 0.09 12 1.7 0.39 0.15 13 0.9 -0.41 0.17 Stanhrd Deviation: D]D 14 1.0 -0.31 0.09 ;z Std Deviations: ~

15 1.2 -0.11 0.01 Degree of Frecdom(df).= (x)- l Data listed on Table B-1 16 1.2 -0.11 0.01 (df) = j 1.699 !

17 0.8 -0.51 0.26 18 1.3 -0.01 0.00 f~.rea's Average Level (Aµ)= (N) + (df) x [(Sd)/sqrt(x)]

19 1.3 -0.01 0.00 20 1.0 -0.31 0.09 (Aµ)= r n . 3 9 pCi/gTh (NAT) 21 0.8 -0.51 0.26 GUlDELINE VALUE: 10 pCi/gTh (NAT) 22 1.3 -0.01 0.00 Acceptable Level: 4.0 pCi/gTh (NAT) 23 1.6 0.29 0.09 (253/4 OF GUIDELINE PLUS BACKGROUND) 24 1.3 -0.01 0.00 25 1.4 0.09 0.01 TABLE B-1 26 1.4 0.09 0.01 Factors for Comparision of Survey Data with Guidelines 27 0.8 -0.51 0.26 (df) 95% 97.5% {df) 95% 97.So/o 28 1.0 -0.31 0.09 1 6.314 12.706 19 1.729 2.093 29 1.4 0.09 0.01 2 2.92 4.303 20 1.725 2.086 30 1.1 -0.21 0.04 3 2.353 3.182 21 1.721 2.08 31 0 ,0 0.00 0.00 4 2.132 2.776 22 1.717 2.074 32 0.0 0.00 0.00 5 2.015 2.571 23 1.714 2.069 33 0.0 0.00 0.00 6 1.943 2.447 24 J.711 2.064 34 0.0 0.00 0.00 7 1.895 2.365 25 1.708 2.06 35 0,0 0.00 0.00 8 l.86 2.306 26 1.706 2.056 36 0,0 0.00 0.00 9 1.833 2.262 27 1.703 2.052 37 0,0 0.00 0.00 IO 1.812 2.228 28 1.701 2.048 38 0.0 0.00 0.00 11 1.796 2.201 29 1.699 2.045 39 0.0 0.00 0.00 12 J.782 2.179 30 l.697 2.042 40 0.0 0.00 0.00 13 1.771 2.16 40 1.684 2.021 41 0 .0 0.00 0.00 14 1.761 2.145 60 l.671 2 42 0,0 0.00 0.00 15 1.753 2.131 120 1.658 1.98 43 0,0 0.00 0.00 16 1.746 2.12 400 1.649 1.966 44 0.0 0.00 0.00 17 J.74 2.11 Infinite 1.645 1.96 45 0.0 0.00 0.00 18 l.734 2.101 46 0,0 0.00 0.00 47 0.0 0.00 0.00 48 0.0 0.00 0.00 For values or Degrees of Freedom not listed:

49 0.0 0.00 0.00 l n terpo late between th,_e_li_st..,.,r,...d_v_al...ue_s.,...-=-,---...-----,,-,----.-____ _ ,- - .

50 0.0 0.00 0.00 (df) high value(Z) 40 is (B) J.684 9 5 0,,0 (df) low value(Y) 29 is (A) 1.699 95%

0 0.000 Desired value(df) (X) 29 is calculated as follow:

0 0.000 EXP[( (Ln(B) - Lo(A))-:- (Z - Y)) (X - Y) + Ln(A) I 0 0.000 The (df) value for (X) I 29 I 1.699 l 95%

0 0.000

/'"_* /2) 0 0.000 0 0.000 ; .

PERFORMED BY: /'-"-1~**.. _=;.,_;'-

_;-*' ...c . <_ ,., -_-:_.~1

' --~*_. __.._-;;.;..~_..;;..

_..;;..-_ _ DATE:

REVIEWED BY: 1.) ... 0 * ~~ DATE: '-f-1.>-f?

39.2 Sum(n)

A:\CMUAFSRT .WB2 2.279 Sum(n-N) 2

10 20 30 I I I SUB-AREA I

~-190 GRAVEL DRIVE PAVED AREA

,/..

~ - - I Ii

/~ .

IL! tw 180- -180

/. -- 'l-~

, r GRASS

/

iw, I ELEVATED LOCATION IN - f--!

UNAFFECTED AREA :~ :

-110 SIDEWALK /j l

ri H

URANIUM URANIUM URANIUM URANIUM URANIUM URANIUM URANIUM URANIUM 3" DET. SURFACE 1 METER 0 - 6" 6" - 1' 1' - 2' 2' - ]' 3' - 4' EASTING NORTHING SHIELDED MICRO-R/Hr MICRO-R/Hr pCi/g pCi/g pCi/q pCi/q pCi/q 30 180 2910 8 8 22 19 11 8 9 29 180 2370 9 8 11 8 5 8 5 30 179 2660 9 9 15 16 7 I 5 30 181 2360 9 9 5 16 9 4 3 31 180 3690 9 9 27 20 20 9 9 35 181 t-----"---...i....---"-----...._ 3120 9 _________ 9 34 .....__26 18

_ _......____________ 10 10 ..... .

NOTES: 5 0 5 MICRO-R/Hr (µR/Hr)

INSTRUMENT: LUDLUM MICRO-R METER SCALE IN METERS SERIAL NO: 111299 MODEL NO: 19 BACKGROUND:

URANIUM (pCijg U).

9 µR/Hr.

GB) CIMARRON CORPORATION CIMARRON GAMMA SPEC SOIL COUNTER NOTE: 4pCi/g BACKGROUND, NOT SUBTRACTED. CIMARRON FACILITY PHASE II - SUB-AREA I LUDLUM 2220, SHIELDED 3"x 1/2 Nol DETECTOR.

SERIAL NO: 50058 ELEVATED LOCATION IN UNAFFECTED AREA BACKGROUND: 2450 CPM t--.......---------------,..-~---.-~-,-.-----t REV. DESCRIPTION MVrtl lil': CK'D BY: APP'D 8'(: D>,'f[

DR\lilll.

BY J[ DAlE 5-18-99 ISCALE: AS SHOWN 1-0--+--DRA_VI_

ING-ISS-UE_D_.---------t--JE---t--WR--i--J-L---t--6/..,...21.....,/9---19 JOB NO.

O~WlNG NO. 99posIuNss- 1 1 a*

...SUBAREAI\FEATURES\UNAFFECTEO-LAND

(TOP RAIL

/0 /E /F f11 11 I C

(/)

0::

LI.I B POST~

ti 2

N I

J_LJ 11 11 u

'VA u ,._

3 METERS (TYP.)

1- -1

@J CIMARRON CORPORATION CIMARRON FACILITY PHASE Ill - SUB-AREA N TYPICAL SURVEY PATTERN or FENCING REV.I DESCA1P110N

8\':1a(o sr: jN'p'o w.1 !WE , r* JE I00[ 01 /14/02 ISCAI.£: NONE I O IDRAWING ISSUED. I JE I WR I P1L14/of 108 NO. II W NO. FNC-SURVEY I o*

...SUBAR£AN\FNC-SURVEY

290 10-90 80 70 60 (29 i N, iaw)" -(291H, 66W) 50 291 H, 56W) 40 30 20

0 10 20 30 40 50 I

I 60 70

- 80 90 2!

I BURIAL (282H, 78W) I AREA #2 280 2!

I (NORTH I FIELD) 270 (270N, 78W) I 2i I

I 260 I 2t (255N, 78W)

L ____ ___ _

250 2:

PLUTO~IUM

( 2'0N, 78W)

BUILDING 2-4 240 230 23 (225M, 78W) 220 22*

210 (2J Otl, 78W) r- ------------l21*

200 2

~ SEPTIC (1 9_.M, 78W) TANK 190

'.( 186N, 5.4W)

--- ~----

19(

' GRAVEL DRIVE 180

( 178N , 78W)

PAVED AREA

) 18(

ELEVA TED LOCATION FOR 170 (t69M, s*w>

,( 166N. $,3W) r UNAFFECTED AREA SIDEWALK 17(

(163N, 78W) SUB-AREA II 160 .--- - -- -- - - - -- t-16C PAVED WAREHOUSE (150N, 5*3W)

AREA BUILDING #4 150 150 (Ti02) 148H', 78W)

GRASS 140 ~ 140

'~

~

'" (135H, 53W) '-.. HP TRAILER

( U3N, 78W) 130 130 120 [\ 120 r

( 118k, 78W)

I C.R. TRAILER OFFICE SEPTIC FRESH WATER TRAILER 110 110 TANK / TANK 100 D GRASS II 10 90 90 80--t \ SIDEWALK 80

k, -~t Si* )( )( ;c* ft 5 )*

. * ** - )( !( t .

l l {7fN ~wY )! >(

0 f (73M, '25W) 70 -j I GRASS .------+-70

"" \__ - __/

i PAVED 60 60 AREA 50,\ 50 40-j 30

\

( '/(,)1.,., )t,.,l1, ' (,.,;ii. ~1.~tt H )( H1,,tt, j,r,.., )( )( H ~~utL lf.,rf( ~- i8 ~30N. 38£) X ;x,.

'° l-30

~

100 90 80 70 LEGEND:

- -- - - UNAFFECTED FENCE CIMARRON CORPORATION CIMARRON FACILITY 20 0 20 Q PHASE II - SUB-AREA I

~~ UNAFFECTED FENCES SCALE IN METE IR S I IREV. DESCRIPTION j PRwN edcK'o 8Y: IN>P'DBY:! ~TE I~RWN. JE DATE 6 99 SCAI.E:

AS SHOWN DRAWING NO. REV I O IDRAWING ISSUED. I I JE I WR I Jl 16/2 1/99 1JOB NO. 99POSIUNS-1 0

...SUBAREAJ\FEATURES\FNC-UNAfFECTED

60 -

50 40 30

I 20 0

10 PAVED AREA 0

150-' d, GRASS LIGHT PO[ E ~

FENCE GRASS j 30-{ I ,--,.

\

"' I l 1--

~,

140-I 1,

\

"~ ~

Q~

"'ss I

29 I 130--I I // I ~ I I- 1~

" GRASS 120--I SIDEWALK - -,J 1 //

V / - 27 i I

\ \ \ I ~ 12 I

25 SUB-AREf I I

I

! I I* . I- 111 1101 n~ EM[R.

/ FRESH WATER TANK BLDG.

~ 10 1001 I J I. l I I I 1 1 20 GRASS 19 PAVED 90 AREA 90 17 15 13 11 7 5 3

- 7 2 6 4 _J 2 80 80 LIGHT POLE GRASS 70 I

\ \

70 I

I '---

+--

60 PAVED I

Ii 1-- 60 I

AREA I

I 50 50

~

60 50 NOTE:

REFER TO DATA TABLE FOR SURVEY RESULTS. CIMARRON CORPORATION CIMARRON FACILITY 8 0 8 Q PHASE II - SUB-AREA I UNAFFECTED SIDEWALK SURVEY LOCATIONS SCALE I N METE s 4~

I REV. I DESCRIPTION I bRM. BY:! CK'OSr: !APp'O B'l':I DATE I&i-RWN. JE DATE 5-20-99 I SCALE: AS SHOWN I O IDRAWING ISSUED. I I JE I WR I JL I6/21/991 JOB NO.

DRAWING NO. ggposiu Ns - 4 1 a*

... SU8AREAI\F£ATURES\UNAFFECTED-SIDEWALKS

05/19/99 CIMARRON FACILITY FENCE SURVEY SUB AREA "I" ALPHA AND BETA/GAMMA UNAFFECTED PHASE II SIN ~1- ... 11 LTS IN BACKGROUND MDA INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 4 PROBE 37807 DPM/100cm 2 6 cpm 125 DPM BETA DIRECT LUDLUM 2220 43-68 PROBE 50064 DPM/100cm2 408 cpm 625 DPM ALPHA- .3 cpm 12 Cl-01 DPM/100cm 2 DPM/100cm2 ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 DPM/100 cm 2 DPM/100cm 2 REVIEWED BY: ~-0-, ~~ DATE: 5--)...'-f- 99 Ri;::~Q!t--!G I LN GRID LOCATION LOCATION DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 1 38 E - 30 N 1C 385 897 0 3 2 38 E - 30 N 10 154 874 2 0 3 37 E - 30 N 1B 165 460 0 0 4 37 E - 30 N 1E 165 529 0 7 5 34 E - 30 N 1A 220 460 0 7 6 34 E - 30 N 1F 264 374 0 0 7 31 E - 30 N 1A 220 69 2 0 8 31 E - 30 N 1F 154 759 0 10 9 28 E - 30 N 1C 198 322 2 0 10 28 E - 30 N 1E 242 621 0 5 11 25 E - 30 N 1C 275 23 2 0 12 25 E - 30 N 1D 176 598 4 2 13 22 E - 30 N 18 198 828 0 0 14 22 E - 30 N 1E 308 23 2 2 15 19 E - 30 N 1A 99 667 2 0 16 19 E - 30 N 1F 198 437 7 16 17 16 E - 30 N 1C 165 644 0 0 18 16 E - 30 N 10 121 345 0 7 19 13 E - 30 N 1B 286 874 2 5 20 13 E - 30 N 1E 143 46 2 7 21 10 E - 30 N 18 220 23 0 3 22 10 E - 30 N 1E 330 437 2 0 23 7 E - 30 N 1C 308 529 2 0 24 7 E - 30 N 10 231 46 0 7 25 4 E - 30 N 1A 198 437 2 0 26 4 E - 30 N 1F 286 0 0 0 27 1 E - 30 N 18 165 667 2 5 28 1 E - 30 N 10 198 115 2 0 29 2 w - 30 N 1C 198 943 0 5 30 2 w - 30 N 1E 242 0 0 3 C:\OFFICE\AREA\I\FENCE\DATAPUY.WB2

05/19/99 CIMARRON FACILITY FENCE SURVEY SUB AREA "I" ALPHA AND BETA/GAMMA UNAFFECTED PHASE II

INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 4 PROBE BETA DIRECT LUDLUM 2220 43-68 PROBE SIN 37807 50064

~..,~ULTS IN DPM/100cm 2 DPM/100cm 2 ALPHA*

e~c~GROUND 6cpm 408 cpm MDA 125 DPM 625 DPM

.3 cpm 12 Cl-01 DPM/100cm 2 DPM/100cmz ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 DPM/100 cm 2 DPM/100cm' REVIEWED BY: Lc) _o., ~-~~ - DATE: 5--2-y- 77 Kt:ADING

, r .

LN GRID LOCATION LOCATION DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 31 5 W- 30 N 1B 209 0 0 0 32 5 W- 30 N 1F 187 575 0 7 33 8 W- 30 N 1A 209 69 2 0 34 8 W- 30 N 1D 242 552 2 0 35 11 W- 30 N 1C 308 575 0 3 36 11 W- 30 N 1E 209 598 7 0 37 14 W- 30 N 1A 319 575 0 0 38 14 W- 30 N 1D 286 552 2 12 39 17 W- 30 N 1C 220 161 0 3 40 17 W- 30 N 1E 473 782 0 10 41 20 W- 30 N 18 88 483 2 0 42 20 W- 30 N 1F 187 276 7 3 43 23 W- 30 N 18 198 115 0 0 44 23 W- 30 N 1D 209 0 2 0 45 25 W- 30 N 18 121 828 0 7 46 25 W- 30 N 1D 220 207 0 a 47 25 W- 33 N 1C 55 828 0 7 48 25 W- 33 N 1E 66 322 7 2 49 25 W- 36 N 1A 187 322 2 5 50 25 W- 36 N 1F 0 644 2 0 51 25 W- 39 N 18 0 460 0 0 52 25 W- 39 N 1D 22 989 2 3 53 25 W- 41 N 1C 437 460 0 3 54 25 W- 41 N 1F 33 1081 0 3 55 25 W- 44 N 1A 99 828 2 0 56 25 W- 44 N 1E 0 1104 0 0 57 25 W- 47 N 1B 209 943 0 0 58 25 W- 47 N 1D 66 1081 0 0 59 25 W- 50 N 1C 352 460 0 3 60 25 W- 50 N 1E 99 276 2 2 C:\OFFICE\AREA\I\FENCE\DATAPUY.WB2 2

05/19/99 CIMARRON FACILITY FENCE SURVEY SUB AREA "I" ALPHA AND BETA/GAMMA UNAFFECTED PHASE 11

INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 4 PROBE BETA DIRECT LUDLUM 2220 43-68 PROBE SIN 37807 50064

~~SULTSIN BACKG~QUND DPM/100cm 2 DPM/100cm 2 ALPHA-6cpm 408 cpm MlJA 125 DPM 625 DPM

.3cpm 12 Cl-01 DPM/100cm 2 DPM/100cmi ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 DPM/100 cm 2 DPM/100cm 2 REVIEWED BY: JU.CL ~ e ,..._..._ DATE: -~'t-r?

Kl::ADING f LN GRID LOCATION LOCATION DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 61 25 W- 53 N 1A 11 483 2 2 62 25 W- 53 N 1F 22 690 0 0 63 25 W- 55 N 18 0 23 4 0 64 25 W- 55 N 1E 5 161 0 0 65 25 W- 58 N 1A 286 1242 0 0 66 25 W- 58 N 1D 165 0 0 0 67 25 W- 62 N 1C 198 644 2 0 68 25 W- 62 N 1F 154 1196 0 0 69 25 W- 64 N 18 242 414 0 3 70 25 W- 64 N 1D 0 1058 2 19 71 25 W- 67 N 1C 220 575 2 0 72 25 W- 67 N 1E 11 1035 2 2 73 25 W- 70 N 1A 88 437 2 5 74 25 W- 70 N 1E 44 759 4 2 75 25 W- 73 N 18 220 1219 2 0 76 25 W- 73 N 1D 319 552 4 0 77 29 W- 73 N 1A 121 644 0 0 78 29 W- 73 N 1F 88 874 0 3 79 33 W- 73 N 1C 143 759 2 10 80 33 W- 73 N 1E 0 989 2 2 81 36 W- 73 N 18 55 299 0 5 82 36 W- 73 N 1D 198 759 0 3 83 39 W- 73 N 1A 176 345 0 0 84 39 W- 73 N 1D 44 828 2 2 85 42 W- 73 N 1C 154 874 4 5 86 42 W- 73 N 1E 99 1196 0 3 87 45 W- 73 N 1B 0 736 0 7 88 45 W- 73 N 1F 88 896 0 0 89 48 W- 73 N 1A 99 598 0 D 90 48 W- 73 N 1E 77 184 0 7 C:\OFFICE\AREA\I\FENCE\DATAPUY.WB2 3

05/19/99 CIMARRON FACILITY FENCE SURVEY SUB AREA "I" ALPHA AND BETA/GAMMA UNAFFECTED PHASE II SIN ~!:~U!.. IS IN BAL*!'\\.-~~!JND MDA INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 4 PROBE 37807 DPM/100cm 2 6cpm 125 DPM BETA DIRECT LUDLUM 2220 43-68 PROBE 50064 DPM/100cm2 408 cpm 625 DPM ALPHA- .3cpm 12 Cl-01 DPM/100cm 2 DPM/100cm 2 ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 DPM/100 cm 2 DPM/100cm 2 REVIEWED BY: >J. a . ~ DATE: 5--.,i..y-5'7 Kr:AlJING f LN GRID LOCATION LOCATION DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 91 51 W- 73 N 1B 88 759 0 0 92 51 W- 73 N 1E 165 437 2 0 93 54 W- 73 N 1C 187 506 a 5 94 54 W- 73 N 10 198 1242 2 5 95 57 W- 73 N 1C 77 1132 2 2 96 57 W- 73 N 1F 99 0 0 5 97 60 W- 73 N 1A 88 828 0 3 98 60 W- 73 N 1D 88 989 0 0 99 63 W- 73 N 1B 77 782 0 5 100 63 W- 73 N 1F 88 897 4 0 101 66 W- 73 N 1C 33 667 0 5 102 66 W- 73 N 1F 0 598 2 5 103 69 W- 73 N 1B 44 552 2 0 104 69 W- 73 N 1E 77 1173 0 0 105 72 W- 73 N 1A 33 598 0 5 106 72 W- 73 N 10 77 1127 2 5 107 75 W- 73 N 1C 99 437 0 0 108 75 W- 73 N 1E 275 1219 2 0 109 78 W- 73 N 1B 99 782 0 0 110 78 W- 73 N 1E 0 575 2 2 111 78 W- 76 N 1C 143 138 2 4 112 78 W- 76 N 1D 99 1219 12 16 113 78 W- 79 N 1A 66 644 0 2 114 78 W- 79 N 1F 264 1242 10 4 115 78 W- 82 N 18 165 253 7 0 116 78 W- 82 N 1D 132 1012 2 21 117 78 W- 85 N 18 33 667 0 2 118 78 W- 85 N 1F 44 805 2 2 119 78 W- 88 N 1A 132 782 0 0 120 78 W- 88 N 1E 154 897 7 19 C:\OFFICE\AREA\I\FENCE\DATAPUY.WB2 4

05/19/99 CIMARRON FACILITY FENCE SURVEY SOB AREA "I" ALPHA AND BETA/GAMMA UNAFFECTED PHASE II SIN ~=~~LT5 IN ~ A_r_:~_GROUND MDA INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 4 PROBE 37807 DPM1100cm 2 6cpm 125 DPM BETA DIRECT LUDLUM 2220 43-68 PROBE 50064 DPM/100cm2 408 cpm 625 DPM ALPHA- .3 cpm 12 Cl-01 DPM/100cm 2 DPM/10Ocm1 ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 DPM/100 cm 2 DPM/1OOcm 2 REVIEWED BY: 7J.JJ.,, ~OA....LJ DATE: 5--:i-y.- 'l 7 KEAUI G r LN GRID LOCATION LOCATION DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 121 78 W- 91 N 1C 66 644 2 7 122 78 W- 91 N 1F 33 1311 0 10 123 78 W- 94 N 1B 231 1058 0 2 124 78 W- 94 N 1E 187 1179 2 2 125 78 W- 97 N 1A 165 1035 0 0 126 78 W- 97 N 1E 33 1035 0 0 127 78 W- 100 N 18 198 805 2 0 128 78 W- 100 N 1D 0 713 0 0 129 78 W- 103 N 1B 231 460 0 7 130 78 W- 103 N 1F 9 575 2 0 131 78 W- 106 N 1C 9 690 2 2 132 78 W- 106 N 1F 33 1219 4 4 133 78 W- 109 N 1A 44 851 0 2 134 78 W- 109 N 1D 9 851 7 21 135 78 W- 112 N 1C 143 1058 2 0 136 78 W- 112 N 1E 187 201 2 14 137 78 W- 115 N 18 220 1058 0 0 138 78 W- 115 N 1F 264 1219 0 7 139 78 W- 118 N 1A 66 782 0 0 140 78 W- 118 N 1D 99 1242 4 9 141 78 W- 121 N 18 209 1219 2 5 142 78 W- 121 N 1F 198 1081 2 5 143 78 W- 124 N 1A 187 966 0 0 144 78 W- 124 N 1D 0 1196 2 7 145 78 W- 127 N 1A 0 1242 0 0 146 78 W- 127 N 1D 165 1219 2 5 147 78 W- 130 N 18 286 92 0 0 148 78 W- 130 N 1D 33 1541 5 2 149 78 W- 133 N 1B 154 966 2 2 150 78 W- 133 N 1E 88 1150 4 7 C:\OFFICE\AREA\I\FENCE\DATAPUY.WB2 5

05/19/99 CIMARRON FACILITY FENCE SURVEY SUB AREA "I" ALPHA AND BETA/GAMMA UNAFFECTED PHASE 11 SIN !-'!::~!J~l5 IN BACK(_:IJl_ll_:'~!_l MUA INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 4 PROBE 37807 DPM/100cm 2 Gcpm 125 DPM BETA DIRECT LUDLUM 2220 43-68 PROBE 50064 DPM/100cm 2 408 cpm 625 DPM ALPHA- .3cpm 12 Cl-01 DPM/100cm 2 DPM/100cm 2 ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 DPM/100 cm 2 DPM/100cm 2 REVIEWED BY: t..J_Q , /4-s_,, u DATE: .5-:2-y- 'j?

t-<EADING I LN GRID LOCATION LOCATION DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 151 78 W- 136 N 1B 286 828 0 0 152 78 W- 136 N 1F 88 483 2 5 153 78 W- 139 N 1C 44 1150 2 2 154 78 W- 139 N 1D 165 1058 0 a 155 78 W- 142 N 1C 154 644 0 2 156 78 W- 142 N 1F 88 598 2 9 157 78 W- 145 N 1A 231 368 0 0 158 78 W- 145 N 1D 297 713 5 2 159 78 W- 148 N 1A 264 1058 4 4 160 78 W- 148 N 1E 341 1242 2 17 161 78 W- 151 N 1C 253 989 0 0 162 78 W- 151 N 10 165 1058 0 0 163 78 W- 154 N 1C 132 828 2 0 164 78 W- 154 N 1D 88 828 4 12 165 78 W- 157 N 1C 22 598 7 0 166 78 W- 157 N 1F 154 1012 4 7 167 78 W- 160 N 1A 121 713 2 0 168 78 W- 160 N 1F 154 690 4 4 169 78 W- 163 N 1A 88 598 0 0 170 78 W- 163 N 1D 88 598 15 13 171 78 W- 166 N 18 55 414 0 0 172 78 W- 166 N 1E 88 552 0 2 173 78 W- 169 N 1A 77 138 0 0 174 78 W- 169 N 1D 33 437 0 7 175 78 W- 172 N 1C 77 345 5 0 176 78 W- 172 N 1D 88 1242 0 12 177 78 W- 175 N 1C 0 437 2 2 178 78 W- 175 N 1E 242 230 10 0 179 78 W- 178 N 1C 99 529 0 2 180 78 W- 178 N 10 55 920 2 5 C:\OFFICE\AREA\I\FENCE\DATAPUY.WB2 6

05/19/99 CIMARRON FACILITY FENCE SURVEY SOB AREA nrn ALPHA AND BETA/GAMMA UNAFFECTED PHASE II

INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220

43-4 PROBE BETA DIRECT LUDLUM 2220 43-68 PROBE

SIN 37807 50064 RESULTS IN DPM/100cm2 DPM/100cm 2 ALPHA-BACKGROUND 6cpm 408 cpm MDA 125 DPM 625 DPM

.3 cpm 12 Cl-01 DPM/100cm 2 DPM/100cm 2 ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 DPM/100 cm 2 DPM1100cm 2 REVIEWED BY: ~-a.., .,e,T/ ~./'-1/V DATE: s-;..'f-~ 9 READING /

LN GRID LOCATION LOCATION DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 181 78 W- 182 N 18 143 391 0 2 182 78 W- 182 N 1E 77 1127 2 12 183 78 W- 185 N 1A 66 0 2 0 184 78 W- 185 N 1D 176 207 2 19 185 78 W- 188 N 1B 286 230 0 2 186 78 W- 188 N 1E 44 644 2 5 187 78 W- 191 N 1C 11 1081 2 0 188 78 W- 191 N 10 55 644 0 2 189 78 W- 194 N 1A 44 575 2 7 190 78 W- 194 N 1F 33 690 2 0 191 78 W- 198 N 1B 44 0 0 0 192 78 W- 198 N 1E 0 782 2 0 193 78 W- 201 N 18 198 207 0 0 194 78 W- 201 N 1D 0 644 7 0 195 78 W- 204 N 1A 0 161 0 0 196 78 W- 204 N 1D 0 1242 0 5 197 78 W- 207 N 1A 0 276 0 2 198 78 W- 207 N 1D 22 506 0 5 199 78 W- 210 N 18 77 161 2 7 200 78 W- 210 N 1F 77 345 2 0 201 78 W- 213 N 18 88 1242 0 2 202 78 W- 213 N 1E 55 414 0 7 203 78 W- 216 N 1B 242 1012 0 0 204 78 W- 216 N 1D 88 805 4 7 205 78 W- 219 N 1C 66 0 2 2 206 78 W- 219 N 1D 44 736 4 9 207 78 W- 222 N 1A 66 552 0 0 208 78 W- 222 N 1F 209 1242 7 4 209 78 W- 225 N 1A 154 1219 0 0 210 78 W- 225 N 1F 319 851 2 7 C:\OFFICE\AREA\I\FENCE\DATAPUY.WB2 7

05/19/99 CIMARRON FACILITY FENCE SURVEY SUB AREA "I" ALPHA AND BETA/GAMMA UNAFFECTED PHASE II

INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 .. 43-4 PROBE BETA DIRECT LUDLUM 2220 43-68 PROBE SIN 37807 50064 RESU[TSIN ~~,.;~,~:-!~UND DPM/100cm2 DPM/100cm 2 ALPHA-6cpm 408 cpm MDA 125 DPM 625 DPM

.3 cpm 12 Cl-01 DPM/100cm 2 DPMJ100cm 2 ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 DPM/100 cm 2 DPM/100cm*

REVIEWED BY: --iJ. Q_' /4,. --- DATE: s- Y-'5' r READING /

LN GRID LOCATION LOCATION DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 211 78 W- 228 N 1C 253 1081 2 0 212 78 W- 228 N 1E 99 230 0 5 213

78 W- 231 N 1C 11 322 0 0 214 78 W- 231 N 10 0 1242 10 4 215 78 W- 234 N 18 77 322 2 0 216 78 W- 234 N 1F 187 1081 2 0 217 78 W- 237 N 18 132 437 0 2 218 78 W- 237 N 1F 121 920 0 0 219 78 W- 240 N 1A 44 989 0 0 220 78 W- 240 N 1D 22 414 4 5 221 78 W- 243 N 18 66 161 0 0 222 78 W- 243 N 1E 22 851 10 0 223 78 W- 246 N 18 44 966 1 3 224 78 W- 246 N 1F 77 437 0 29 225 78 W- 249 N 1C 66 460 2 0 226 78 W- 249 N 1E 0 552 4 7 227 78 W- 252 N 18 11 552 2 0 228 78 W- 252 N 1F 0 828 0 3 229 78 W- 255 N 1A 22 575 2 0 230 78 W- 255 N 1D 0 276 2 5 231 78 W- 258 N 1C 0 1012 2 0 232 78 W- 258 N 1D 11 621 4 0 233 78 W- 261 N 1A 0 598 0 7 234 78 W- 261 N 1F 253 414 4 2 235 78 W- 264 N 18 66 276 0 3 236 78 W- 264 N 1E 0 1229 2 2 237 78 W- 267 N 1C 11 943 0 0 238 78 W- 267 N 10 110 805 4 14 239 78 W- 270 N 1B 88 529 0 5 240 78 W- 270 N 10 66 115 2 0 C:\OFFICE\AREA\I\FENCE\DATAPUY.WB2 8

05/19/99 CIMARRON FACILITY FENCE SURVEY SUB AREA "I" ALPHA AND BETA/GAMMA UNAFFECTED PHASE II SIN RESULTSlN BACKGROUND MDA INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 4 PROBE 37807 DPM/100cm 2 6cpm 125 DPM BETA DIRECT LUDLUM 2220 43-68 PROBE 50064 DPM/100cm 2 408 cpm 625 DPM ALPHA* .3 cpm 12 Cl-01 DPM/100cm 2 DPM/100cm 1 ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 DPM/100 cm 2 OPM/100cm2 REVIEWED BY: 'kJ.Q. A~_.ll_A.....t_

, DATE: .5-- 2-y-9 9 Rt::AUING LN GRID LOCATION LOCATION DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 241 78 W- 273 N 18 22 414 0 3 242 78 W- 273 N 1F 110 299 4 0 243 78 W- 276 N 1A 220 506 0 10 244 78 W- 276 N 1F 253 575 0 3 245 78 W- 279 N 1A 110 1242 2 0 246 78 W- 279 N 1F 77 0 a 3 247 78 W- 282 N 18 0 299 0 0 248 78 W- 282 N 1F 55 782 2 2 249 78 W- 286 N 1C 22 598 0 7 250 78 W- 286 N 1E 22 483 0 0 251 78 W- 289 N 1C 198 69 0 3 252 78 W- 289 N 1E 121 1196 2 5 253 78 W- 291 N 18 121 759 4 9 254 78 W- 291 N 1E 77 276 7 2 255 75 W- 291 N 1A 44 1242 0 0 256 75 W- 291 N 1E 33 667 7 14 257 72 W- 291 N 1C 154 575 0 3 258 72 W- 291 N 1F 66 92 0 0 259 69 W- 291 N 1B 22 851 0 0 260 69 W- 291 N 1D 22 230 5 0 261 66 W- 291 N 1C 11 736 2 0 262 66 W- 291 N 1F 33 575 7 17 263 63 W- 291 N 1A 11 161 0 0 264 63 W- 291 N 1D 0 989 7 17 265 60 W- 291 N 18 33 368 0 0 266 60 W- 291 N 1F 0 391 2 5 267 58 W- 291 N 1C 0 115 0 3 268 58 W- 291 N 1D 0 138 7 4 269 61 W- 112 N 18 220 713 0 2 270 61 W- 112 N 1E 132 1058 2 2 C:\OFFICE\AREA\I\FENCE\DATAPUY.WB2 9

05/19/99 CIMARRON FACILITY FENCE SURVEY SUB AREA "I" ALPHA AND BETA/GAMMA UNAFFECTED PHASE II SIN ~.i;;sULTS IN BACKGRuUND MDA INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 4 PROBE 37807 DPM/100cm 2 6cpm 125 DPM BETA DIRECT LUDLUM 2220 43-68 PROBE 50064 DPM/100cm 2 408 cpm 625 DPM ALPHA- .Jcpm 12 Cl-01 DPM/100cm 2 DPM/100cm 1 ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 OPM/100 cm 2 DPM/100cm 1 REVIEWED BY: 't.J ~Cc.. . /4-,~

, DATE: S-_ .i- "t - 79 READING LN GRID LOCATION LOCATION DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 271 59 W- 113 N 1A 88 506 0 0 272 59 W- 113 N 1E 22 598 1 5 273 57 W- 115 N 18 55 552 0 5 274 57 W- 115 N 1F 0 943 0 2 275 55 W- 117 N 1C 11 184 2 7 276 55 W- 117 N 10 22 368 2 2 277 53 W- 119 N 1C 0 644 0 0 278 53 W- 119 N 1F 66 552 2 0 279 53 W- 123 N 1A 11 1150 0 0 280 53 W- 123 N 1D 110 1012 4 4 281 53 W- 126 N 1B 0 23 0 2 282 53 W- 126 N 1E 33 736 0 0 283 53 W- 129 N 1A 0 736 0 10 284 53 W- 129 N 10 33 644 2 0 285 53 W- 132 N 1C 121 782 7 0 286 53 W- 132 N 1F 11 322 2 0 287 53 W- 135 N 1B 0 299 0 0 288 53 W- 135 N 1D 55 368 4 7 289 53 W- 138 N 1A 0 437 0 0 290 53 W- 138 N 1E 66 667 2 7 291 53 W- 141 N 1A 11 644 0 0 292 53 W- 141 N 1D 231 943 0 5 293 53 W- 144 N 18 319 759 0 2 294 53 W- 144 N 1E 11 a 1081 0 0 295 53 W- 147 N 1A 55 23 5 2 296 53 W- 147 N 1F 110 989 2 2 297 53 W- 150 N 1C 66 874 2 2 298 53 W- 150 N 1E 88 460 0 2 299 53 W- 153 N 18 176 805 0 7 300 53 W- 153 N 1D 88 1035 0 5 C:\OFFICE\AREA\I\FENCE\DATAPUY.WB2 10

05/19/99 CIMARRON FACILITY FENCE SURVEY SUB AREA "I" ALPHA AND BETA/GAMMA UNAFFECTED PHASE II SIN RES ILTS IN D A, w:r- ---,::_nltJD MDA INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 4 PROBE 37807 DPM/100cm 2 6cpm 125 DPM BETA DIRECT LUDLUM 2220 43-68 PROBE 50064 DPM/100cm 2 408 cpm 625 DPM ALPHA - .3 cpm 12 Cl-01 DPM/100cm2 DPM/100cm 1 ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 DPM/100 cm 2 OPM/100cm 1 REVIEWED BY: -'lJ _a_. ~ .. A-I DATE: S-:-2-Y.-rr K!::.AD 1NG .I LN GRID LOCATION LOCATION DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 301 53 W- 156 N 1B 242 759 5 0 302 53 W- 156 N 1E 77 851 0 5 303 53 W- 159 N 1A 44 736 0 2 304 53 W- 159 N 1E 110 391 2 0 305 53 W- 163 N 18 209 299 2 2 306 53 W- 163 N 1F 88 299 0 0 307 53 W- 166 N 1B 11 552 0 5 308 53 W- 166 N 1F 154 851 2 7 309 54 W- 169 N 1C 99 0 0 7 310 54 W- 169 N 1F 88 897 0 2 311 54 W- 172 N 1C 77 552 0 2 312 54 W- 172 N 10 77 667 2 7 313 54 W- 175 N 1A 0 1150 2 0 314 54 W- 175 N 10 55 368 2 0 315 54 W- 178 N 18 33 460 0 5 316 54 W- 178 N 1E 99 1035 0 2 317 54 W- 180 N 1C 154 161 2 0 318 54 W- 180 N 1D 143 966 2 2 319 54 W- 183 N 1B 33 598 2 0 320 54 W- 183 N 1E 0 828 2 5 321 54 W- 186 N 1A 0 627 2 0 322 54 W- 186 N 1F 44 598 0 0

C:\OFFICE\AREA\I\FENCE\DATAPUY.WB2 11

06/16199 CIMARRON CORPORATION

CIMARRON FACILITY ALPHA DIRECT TRUE MEAN ACTIVllY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA *1* FENCE SURVEY (UNAFFECTED) n - DPM /100cm*

Number n (n--N) (n-N}' No. of Samples (x) : 322 1 385.0 272.0 73987.4 2 154.0 41.0 1681.5 COUNT TIME: 0.5 MINUTES 3 165.0 52.0 2704.6 4 165.0 52.0 2704.6 Sample Mean (N)" Sum(n) +.--'(--'x)~-~~

5 220.0 107.0 11450.3 Sample Mean (N) : I 112.99 6 264.0 151.0 22802.9 7 220.0 107.0 11450.3 8 154.0 41.0 1681 .5 9 198.0 85.0 7226.1 10 242.0 129.0 16642.6 Standartj OevlatJon (Sd) = SQRT [(n-N)' + (x -1))

11 275.0 162.0 26246.0 12 176.0 63.0 3969.8 13 198.0 85.0 7226.1 Standam Deviation: 95.12 14 308.0 195.0 38027.4 2 Std Deviations: 190.25 15 99.0 *14.0 195.8 Degree of Fl'lledom[df) ... (X). 1 Data listed on Table B-1 16 198.0 85.0 7226.1 (df)= ! 1.649 1 17 165.0 52.0 2704.6 18 121.0 8.0 64.1 Area's Average Level (Ai.i) = (N) + (df) x [(Sd)/SQRT(x)]

19 286 .0 173.0 29931.1 20 143.0 30.0 900.4 (A1,1):: DPM /1D0cmi 21 220.0 107.0 11450.3 GUIDELINE \IALUE; OPM /100cm 2 22 330.0 217.0 47091.7 Acceptable Level: DPM /100cm 2 23 308.0 195.0 38027.4 24 231 .0 118.0 13925.5 25 198.0 85.0 7226.1 TABLE B-1 26 286.0 173.0 29931.1 Factors for Comparision of Survey Data with Guidelines 27 165.0 52.0 2704.6 (df) 95% 97.53/4 (df) 95% 97_5*,_

28 198.0 85.0 7226.1 1 6.314 12.706 19 1.729 2.093 29 198.0 85.0 7226.1 2 2.92 4.303 20 1.725 2.086 30 242.0 129.0 16642.6 3 2.353 3.182 21 1.721 2.08 31 209.0 96.0 9217.2 4 2.132 2.776 22 1.717 2.074 5476.9 32 187.0 74.0 5 2.015 2.571 23 1.714 2.069 33 209.0 96.0 9217.2 6 1.943 2.447 24 1.711 2.064 34 242.0 129.0 16642.6 7 1.895 2.365 25 1.708 2.06 35 308.0 195.0 38027.4 8 1.86 2.306 26 1.706 2.056 36 209.0 96.0 9217.2 9 1.833 2.262 27 1.703 2.052 37 319,0 206.0 42438.6 10 1.812 2.228 28 1.701 2.048 38 286.0 173.0 29931.1 11 1.796 2.201 29 1.699 2.045 39 220.0 107.0 11450.3 12 1.782 2.179 30 1.697 2.042 40 473.0 360.0 12960,4.5 13 1.771 2.16 40 1.684 2.021 41 88.0 -25.0 624.7 14 1.761 2.145 60 1.671 2 42 187.0 74.0 5476.9 15 1.753 2.131 120 1.658 1.98 43 1913.0 85.0 7226.1 16 1.746 2.12 400 1.649 1.966 44 209.0 96.0 9217.2 17 1.74 2.11 Infinite 1.645 1.96 45 121.0 8.0 64.1 18 1.734 2.101 46 220.0 107.0 11450.3 47 55.0 -58.0 3363.3 48 66.0 -47.0 2208.4 For values of Degrees of Freedom not listed:

49 187.0 74.0 5476.9 Interpolate between the llst.-d_v_al_ue_s_.- ~ - - - ~ - - ~ - - ~

50 0.0 *113.0 12767.6 [df) high value(Z) 400 is [BJ 1.645 95%

5799.0 480458.9 (df) low value(Y) 120 Is (A) 1.658 95*.4 5516.0 361164.3 Oeaired value(df) (X) 321 is calculated as follow:

5390.0 400-406.8 EXP[{ (Ln(B)--ln(A)) * (Z-Y) ),....('-X--Y...:.,)....,.*....,.L-'n('-A:..:)] ' - r - - - - - . - - - - - ,

4081.0 379809.5 The(df)valuefor(X} I 321 I 1.649 95%

3256.0 363332.3 1837.0 110046.9 PERFORMEDBY:f)t1/4i ~ DATE:

0.0 0.0 0.0 0.0 0.0 0.0 o.o 0,0 0.0 0.0 REVIEWED BY: "l..J. C( * ~ DATE:

0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 o.o 0.0 0.0 0.0 total 36384 2904592.D Sum(n) Sum(n-N)' PAGE 1 0F4 C:\OFFICE\AREA'\I\FENCE\PUYUNACM.WB2

06/16/99 CIMARRON CORPORATION - CIMARRON FACILITY ALPHA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "In FENCE SURVEY (UNAFFECTED) n = OPM /1 OOcm 2 Number n (n-N) (n-N) 2 Number n (n-N) (n-N) 2 51 0.0 -113.0 12767.60 101 33.0 -80.0 6399.01 52 22.0 -91.0 8279.87 102 0.0 -113.0 12767.60 53 437.0 324.0 104980.02 103 44 .0 -69.0 4760.14 54 33,0 -80.0 6399.01 104 77.0 -36.0 1295.55 55 99,0 -14.0 195.83 105 33.0 -80.0 6399.01 56 0.0 -113.0 12767.60 106 77.0 *36.0 1295.55 57 209.0 96.0 9217.19 107 99.0 -14.0 195.83 58 66.0 -47.0 2208.42 108 275.0 162.0 26246.01 59 352.0 239.0 57123.97 109 99.0 -14.0 195.83 60 99.0 -14.0 195.83 110 0.0 -113.0 12767.60 61 11 .0 -102.0 10402.73 111 143.0 30.0 900.37 62 22.0 -91.0 8279.87 112 99.0 -14.0 195.83 63 0.0 -113.0 12767.60 113 66.0 -47.0 2208.42 64 5.0 -108.0 11662.66 114 264.0 151.0 22802.88 65 286.0 173.0 29931.15 115 165.0 52.0 2704.65 66 165.0 52.0 2704.65 116 132.0 19.0 361.24 67 198.0 85.0 7226.06 117 33.0 -80.0 6399.01 68 154.0 41.0 1681.51 118 44.0 -69.0 4760.14 69 242.0 129.0 16642.60 119 132.0 19.0 361.24 70 0.0 -113.0 12767.60 120 154.0 41.0 1681.51 71 220.0 107.0 11450.33 121 66.0 -47.0 2208.42 72 11 .0 -102.0 10402.73 122 33.0 -80.0 6399.01 73 88.0 -25.0 624.69 123 231.0 118.0 13925.47 74 44.0 -69.0 4760.14 124 187.0 74.0 5476.92 75 107.0 11450.33 125 52.0 2704.65 220.0 165.0 76 319.0 206.0 42438.56 126 33.0 -80.0 6399.01 77 121.0 8.0 64.10 127 198.0 85.0 7226.06 78 88.0 *25.0 624.69 128 0.0 -113.0 12767.60 79 143.0 30.0 900.37 129 231.0 118.0 13925.47 80 0.0 -113.0 12767.60 130 9.0 -104.0 10814.71 81 55.0 -58.0 3363.28 131 9.0 -104.0 10814.71 82 198.0 85.0 7226.06 132 33 .0 -80.0 6399.01 83 176.0 63.0 3969.78 133 44.0 -69.0 4760.14 84 44.0 "'69.0 4760.14 134 9.0 -104.0 10814.71 85 154.0 41.0 1681.51 135 143.0 30.0 900.37 86 99.0 -14.0 195.83 136 187.0 74.0 5476.92 87 0.0 -113.0 12767.60 137 220.0 107.0 11450.33 88 88.0 -25.0 624.69 138 264 .0 151.0 22802.88 89 99.0 -14.0 195.83 139 66.0 -47.0 2208.42 90 n.o -36.0 1295.55 140 99,0 -14.0 195.83 91 88.0 -25.0 624.69 141 209.0 96.0 9217.19 92 165,0 52.0 2704.65 142 198.0 85.0 7226.06 93 187.0 74.0 5476.92 143 187.0 74.0 5476.92 94 198.0 85.0 7226.06 144 0.0 -113.0 12767.60 95 77.0 -36.0 1295.55 145 0,0 -113.0 12767.60 96 99.0 -14.0 195.83 146 165.0 52.0 2704.65 97 88.0 -25.0 624.69 147 286.0 173.0 29931.15 98 88.0 -25.0 624.69 148 33.0 -80.0 6399.01 99 77.0 -36.0 1295.55 149 154.0 41.0 1681.51 100 88.0 -25.0 624.69 150 88.0 -25.0 624.69 5799.0 480458.9 5516.0 361164.3 Sum(n) Sum(n-N)2 Sum(n) Sum(n-N) 2 PAGE2 OF4 C:\OFFICE\AREA\I\FENCE\PUYUNACM.WB2

06/16/99 CIMARRON CORPORATION - CIMARRON FACILITY ALPHA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA " I" FENCE SURVEY (UNAFFECTED) n = OPM /1 OOcm 2 Number n (n-N) (n-N) 2 Number n (n-N) (n-N)2 151 286.0 173.0 29931.15 201 88.0 -25.0 624.69 152 88.0 -25.0 624.69 202 55.0 -58.0 3363.28 153 44.0 -69.0 4760.14 203 242.0 129.0 16642.60 154 165.0 52.0 2704.65 204 88.0 -25.0 624.69 155 154.0 41.0 1681.51 205 66.0 -47.0 2208.42 156 88.0 -25.0 624.69 206 44.0 -69.0 4760.14 157 231 .0 118.0 13925.47 207 66.0 -47.0 2208.42 158 297.0 184.0 33858.29 208 209.0 96.0 9217.19 159 264.0 151.0 22802.88 209 154.0 41.0 1681.51 160 341 .0 228.0 51986.83 210 319.0 206.0 42438.56 161 253 .0 140.0 19601.74 211 253 .0 140.0 19601.74 162 165.0 52.0 2704.65 212 99.0 -14.0 195.83 163 132.0 19.0 361.24 213 11 .0 -102.0 10402.73 164 88.0 -25.0 624.69 214 0 .0 -113.0 12767.60 165 22.0 -91.0 8279.87 215 77.0 -36.0 1295.55 166 154.0 41.0 1681.51 216 187.0 74.0 5476.92 167 121 .0 8.0 64.10 217 132.0 19.0 361.24 168 154.0 41 .0 1681.51 218 121.0 8.0 64.10 169 88.0 -25.0 624.69 219 44.0 -69.0 4760.14 170 88.0 -25.0 624.69 220 22 .0 -91.0 8279.87 171 55.0 -58.0 3363.28 221 66 .0 -47.0 2208.42 172 88.0 -25.0 624.69 222 22.0 -91.0 8279.87 173 77.0 -36.0 1295.55 223 44.0 -69.0 4760.14 174 33.0 -80.0 6399.01 224 77.0 *36.0 1295.55 175 77 .0 -36.0 1295.55 225 66.0 -47.0 2208.42 176 88.0 -25.0 624.69 226 0.0 -113.0 12767.60 177 0.0 -113.0 12767.60 227 11 .0 -102.0 10402.73 178 242.0 129.0 16642.60 228 0.0 -113.0 12767.60 179 99.0 -14.0 195.83 229 22.0 -91.0 8279.87 180 55.0 -58.0 3363.28 230 0.0 -113.0 12767.60 181 143.0 30.0 900.37 231 0.0 -113.0 12767.60 182 77.0 -36.0 1295.55 232 11.0 -102.0 10402.73 183 66.0 -47.0 2208.42 233 0.0 -113.0 12767.60 184 176.0 63.0 3969.78 234 253.0 140.0 19601.74 185 286.0 173.0 29931.15 235 66 .0 -47.0 2208.42 186 44 .0 -69.0 4760.14 236 0.0 -113.0 12767.60 187 11 .0 -102.0 10402.73 237 11.0 -102.0 10402.73 188 55 .0 -58.0 3363.28 238 110.0 -3.0 8.96 189 44 .0 -69.0 4760.14 239 88.0 -25.0 624.69 190 33.0 -80.0 6399.01 240 66.0 -47.0 2208.42 191 44.0 -69.0 4760.14 241 22.0 -91.0 8279.87 192 0.0 -113.0 12767.60 242 110.0 -3.0 8.96 193 198.0 85.0 7226.06 243 220 .0 107.0 11450.33 194 0.0 -113.0 12767.60 244 253 .0 140.0 19601.74 195 0.0 -113.0 12767.60 245 110.0 -3.0 8.96 196 0.0 -113.0 12767.60 246 77.0 -36.0 1295.55 197 0.0 -113.0 12767.60 247 0.0 -113.0 12767.60 198 22.0 -91.0 8279.87 248 55.0 -58.0 3363.28 199 77.0 -36.0 1295.55 249 22.0 -91.0 8279.87 200 77.0 -36.0 1295.55 250 22.0 -91.0 8279.87

5390.0 Sum(n) 400406.8 Sum(n-N)2 4081.0 Sum{n)

PAGE 3 OF 4 379809.5 Sum(n-N)2 C:\OFFICE\AREA\I\FENCE\PUYUNACM.WB2

06/16/99 CIMARRON CORPORATION - CIMARRON FACILITY ALPHA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I" FENCE SURVEY (UNAFFECTED) n = DPM /100cm 2 Number n (n-N) (n-N)J Number n (n-N) (n-N) 2 251 198.0 85.0 7226.06 301 242.0 129.0 16642.60 252 121.0 8.0 64.10 302 77.0 -36.0 1295.55 253 121.0 8.0 64.10 303 44.0 -69.0 4760.14 254 77.0 -36.0 1295.55 304 110.0 -3.0 8.96 255 44.0 -69.0 4760.14 305 209.0 96.0 9217.19 256 33.0 .ao.o 6399.01 306 88.0 -25.0 624.69 257 154.0 41.0 1681.51 307 11.0 -102.0 10402.73 258 66.0 -47.0 2208.42 308 154.0 41.0 1681.51 259 22 .0 -91.0 8279.87 309 99.0 -14.0 195.83 260 22.0 -91.0 8279.87 310 88.0 -25.0 624.69 261 11.0 -102.0 10402.73 311 77.0 -36.0 1295.55 262 33.0 .ao.o 6399.01 312 77.0 -36.0 1295.55 263 11.0 -102.0 10402.73 313 0.0 -113.0 12767.60 264 0.0 -113.0 12767.60 314 55.0 -58.0 3363.28 265 33.0 -80.0 6399.01 315 33.0 -80.0 6399.01 266 0.0 -113.0 12767.60 316 99.0 -14.0 195.83 267 0 .0 -113.0 12767.60 317 154,0 41.0 1681.51 268 0.0 -113.0 12767.60 318 143.0 30.0 900.37 269 220.0 107.0 11450.33 319 33.0 -80.0 6399.01 270 132.0 19.0 361.24 320 0.0 -113.0 12767.60 271 88.0 -25.0 624.69 321 0.0 -113.0 12767.60 272 22.0 -91.0 8279.87 322 44.0 -69.0 4760.14 273 55.0 -58.0 3363.28 323 0.0 0.00 0.00 274 0.0 -113.0 12767.60 324 0.0 0.00 0.00 275 11 .0 -102.0 10402.73 325 0.0 0.00 0.00 276 22.0 -91.0 8279.87 326 0 .0 0.00 0.00 277 0.0 -113.0 12767.60 327 0.0 0.00 0.00 278 66.0 -47.0 2208.42 328 0.0 0.00 0.00 279 11.0 -102.0 10402.73 329 0.0 0.00 0.00 280 110.0 -3.0 8.96 330 0.0 0.00 0.00 281 0.0 -113.0 12767.60 331 0.0 0.00 0.00 282 33.0 .ao.o 6399.01 332 0.0 0.00 0.00 283 0 .0 -113.0 12767.60 333 0.0 0.00 0.00 284 33.0 -80.0 6399.01 334 0.0 0.00 0.00 285 121 .0 8.0 64.10 335 0.0 0.00 0.00 286 11 .0 -102.0 10402.73 336 0.0 0.00 0.00 287 0.0 -113.0 12767.60 337 0.0 0.00 0.00 288 55.0 -58.0 3363.28 338 0.0 0.00 0.00 289 0.0 -113.0 12767.60 339 0.0 0.00 0.00 290 66.0 -47.0 2208.42 340 0.0 0.00 0.00 291 11 .0 -102.0 10402.73 341 0.0 0.00 0.00 292 231.0 118.0 13925.47 342 0.0 0.00 0.00 293 319.0 206.0 42438.56 343 0.0 0.00 0.00 294 110.0 -3.0 8.96 344 0.0 0.00 0.00 295 55.0 -58.0 3363.28 345 0.0 0.00 0.00 296 110.0 -3.0 8.96 346 0.0 0.00 0.00 297 66.0 -47.0 2208.42 347 0.0 0.00 0.00 298 88.0 -25.0 624.69 348 0.0 0.00 0.00 299 176.0 63.0 3969.78 349 0.0 0.00 0.00 300 88.0 -25.0 624.69 350 0.0 0.00 0.00

3256.0 Sum(n) 363332.3 Sum(n-N)2 1837.0 Sum(n)

PAGE40F4 110046.9 Sum(n*N)2 C:\OFFICE\AREA\I\FENCE\PUYUNACM.WB2

06/16199 CIMARRON CORPORATION -CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95*/4 CONFIDENCE AREA *I" FENCE SURVEY (UNAFFECTED) n :a DPM /100cm*

Number n (n-N) (n-N)' No. of S~ples {x): 322 1 897.0 248.0 61499.4 2 874.0 225.0 50620.8 COUNT TIME: 0.5 MINUTES 3 460.0 -189.0 35724.5 4 529.0 -120.0 14402.2 Sample Mean (N) = Sum{n) *,...,_[x....,_)~-~~

5 460.0 -189.0 35724.5 Sample Mean (N): I 649.01 6 374.0 -275.0 75630.1 7 69.0 -580.0 336410.8 8 759.0 110.0 12098.0 9 322.0 -327.0 106935.1 10 621 .0 -28.0 784.5 Standard ,Devlation (Sd) = SORT ((n-N)' * (x -1))

11 23.0 -626.0 391887.7 12 598.0 -51.0 2602.0 13 828.0 179.0 32037.7 Stand&"' Deviation: 351.82 14 23.0 -626.0 391887.7 2 Std O&vlatlons: 703.64 15 667.0 18.0 323.7 Degree ol Freedorn(ctf).>= (x). 1 Data listed on Table B-1 16 437 .0 -212.0 44948.0 (elf}= I 1.649 !

17 644 .0 -5.0 25.1 18 345.0 -304.0 92421.7 Area's Avllrage Level (AIJ)"' (N) + (ctf) x [(Sd)/SQRT(x)]

19 874.0 225.0 50620.8 20 46.0 -603.0 363620.2 (All) "' DPM /100cm*

21 23.0 -626.0 391887.7 GUIDELINE VALUE: DPM /100cm*

22 437.0 -212.0 44948.0 Acceptable Level: DPM /100cm*

23 529.0 -120.0 14402.2 24 46.0 -603.0 363620.2 25 437.0 -212.0 44948.0 TABLE B -1 26 0.0 -649.0 421213.1 Factoris for Comparis.ion of Survey Data with Guidelines 27 667.0 18.0 323.7 (ctf) 95% 97.5% (elf) 95% 97.5%

28 115.0 -534.0 285166.0 1 6.314 12.706 19 1.729 2.093 29 943.0 294.0 86430.5 2 2.92 4.303 20 1.725 2.086 30 0.0 -649.0 421213.1 3 2.353 3.182 21 1.721 2.08 31 0.0 -649.0 421213.1 4 2.132 2.ns 22 1.717 2.074 32 575.0 -74.0 5477.4 5 2.015 2.571 23 1.714 2.069 33 69.0 -580.0 336410.8 6 1.943 2.447 24 1.711 2.064 34 552.0 -97.0 9410.8 7 1.895 2.365 25 1.708 2.06 35 575.0 -74.0 5477.4 8 1.86 2.306 26 1.706 2.056 36 598.0 -51.0 2602.0 9 1.833 2.262 27 1.703 2.052 37 575.0 -74.0 5477.4 10 1.812 2.228 28 1.701 2.048 38 552.0 -97.0 9-410.8 11 1.796 2.201 29 1.699 2.045 39 161 .0 -488.0 238153.1 12 1.782 2.179 30 1.697 2.042 40 782.0 133.0 17686.5 13 1.771 2.16 40 1.684 2.021 41 483.0 -166.0 27559.1 14 1.761 2.145 60 1.671 2 42 276.0 -373.0 139136.0 15 1.753 2.131 120 1.658 1.98 43 115.0 -534.0 285166.0 16 1.746 2.12 400 1.6-49 1.966 44 0 .0 -649.0 421213.1 17 1.74 2.11 Infinite 1.645 1.96 45 828.0 179.0 32037.7 18 1.734 2.101 46 207.0 -442.0 195372.2 47 828.0 179.0 32037.7 48 322.0 -327.0 106935.1 For value~ of Degrees of Freedom not llstad:

49 322.0 -327.0 106935.1 lnterpolatt betwHn the liste.,.::d...:v.::.*l.::.u*-=-=s:..:..

50 644.0 -5.0 25.1 (df) high ¥alue1z, 400 is (B) 1.645 95%

35723.0 5945364.0 (elf) low Y lue{Y) 120 Is (A) 1.658 95%

44045.0 8177858.9 Desired value(df) (X) 321 Is calculated as follow:

31211.0 5693152.1 EXP[{ (Ln(B)-Ln(A)) .+ (Z-Y) ),,..(:,.;.X:..:..*Y;..c)_+...::L-'-n('-'-A"--),._,J- - - - - . - - - - - ,

32509.0 6000683.9 Th* (df) value for (X) I 321 I 1.649 95%

5537918,4 30337.0 13645.0 0.0 1805738.8 o.o PERFORMED svv0..e--t f a , 444J1L DATE:

0.0 0.0 o.o 0.0 0.0 0.0 0.0 0.0 DATE:

0.0 o.o 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 o.o 0.0 0.0 0.0 0.0 0.0 0.0 tot.I 208981 39732809.0 Sum(n) Sum(n*N}" PAGE 1 OF 4 C:IOFFICE\AREA\I\FENCE\PUYUNBCM.WB2

06/16199 CIMARRON CORPORATION

CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I 11 FENCE SURVEY {UNAFFECTED) n = DPM /100cm 2 Number n (n-N) (n-N) 2 Number (n-N} (n-N) 2 51 460.0 -189.0 35724.52 101 667.0 18.0 323.66 52 989.0 340.0 115593.66 102 598.0 -51.0 2601.95 53 460.0 *189.0 35724.52 103 552.0 -97.0 9410.81 54 1081 .0 432.0 186615.95 104 1173.0 524.0 274566.24 55 828.0 179.0 32037.66 105 598.0 *51.0 2601.95 56 1104.0 455.0 207016.52 106 1127.0 478.0 228475.09 57 943.0 294.0 86430.52 107 437.0 -212.0 44947.95 58 1081.0 432.0 186615.95 108 1219.0 570.0 324889.38 59 460.0 -189.0 35724.52 109 782.0 133.0 17686.52 60 276.0 -373.0 139135.95 110 575.0 -74.0 5477.38 61 483.0 -166.0 27559.09 111 138.0 -511.0 261130.52 62 690.0 41.0 1680.24 112 1219.0 570.0 324889.38 63 23.0 "626.0 391887.66 113 644.0 -5.0 25.09 64 161.0 -488.0 238153.09 114 1242.0 593.0 351637.95 65 1242.0 593.0 351637.95 115 253.0 -396.0 156823.38 66 0.0 -649.0 421213.09 116 1012.0 363.0 131762.24 67 644.0 -5.0 25.09 117 667.0 18.0 323.66 68 1196.0 547.0 299198.81 118 805.0 156.0 24333.09 69 414 .0 -235.0 55229.38 119 782.0 133.0 17686.52 70 1058.0 409.0 167273.38 120 897.0 248.0 61499.38 71 575.0 -74.0 5477.38 121 644.0 -5.0 25.09 72 1035.0 386.0 148988.81 122 1311.0 662.0 438231.66 73 437.0 -212.0 44947.95 123 1058.0 409.0 167273.38 74 759.0 110.0 12097.95 124 1179.0 530.0 280890.12 75 1219.0 570.0 324889.38 125 1035.0 386.0 148988.81 76 552.0 -97.0 9410.81 126 1035.0 386.0 148988.81 77 644.0 -5.0 25.09 127 805.0 156.0 24333.09 78 874.0 225.0 50620.81 128 713.0 64.0 4094.81 79 759.0 110.0 12097.95 129 460.0 -189.0 35724.52 80 989.0 340.0 115593.66 130 575.0 -74.0 5477.38 81 299.0 -350.0 122506.52 131 690.0 41.0 1680.24 82 759.0 110.0 12097.95 132 1219.0 570.0 324889.38 83 345.0 -304.0 92421.66 133 851 .0 202.0 40800.24 84 828.0 179.0 32037.66 134 851.0 202.0 40800.24 85 874.0 225.0 50620.81 135 1058.0 409.0 167273.38 86 1196.0 547.0 299198.81 136 201.0 -448.0 200712.35 87 736.0 87.0 7567.38 137 1058.0 409.0 167273.38 88 896.0 247.0 61004.40 138 1219.0 570.0 324889.38 89 598.0 -51.0 2601.95 139 782.0 133.0 17686.52 90 184.0 -465.0 216233.66 140 1242.0 593.0 351637.95 91 759.0 110.0 12097.95 141 1219.0 570.0 324889.38 92 437.0 -212.0 44947.95 142 1081.0 432.0 186615.95 93 506.0 -143.0 20451.66 143 966.0 317.0 100483.09 94 1242.0 593.0 351637.95 144 1196.0 547.0 299198.81 95 1132.0 483.0 233280.00 145 1242.0 593.0 351637.95 96 0.0 "649.0 421213.09 146 1219.0 570.0 324889.38 97 828.0 179.0 32037.66 147 92.0 -557.0 310259.38 98 989.0 340.0 115593.66 148 1541.0 892.0 795647.38 99 782.0 133.0 17686.52 149 966 .0 317.0 100483.09 100 897.0 248.0 61499.38 150 1150.0 501.0 250991.66

35723.0 Sum(n) 5945364.0 Sum(n-N) 1 44045.0 Sum(n)

PAGE20F4 8177858.9 Sum(n-N}2 C:\OFFICE\AREA\I\FENCE\PUYUNBCM.WB2

06/16/99 CIMARRON CORPORATION - CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA 11 I 11 FENCE SURVEY (UNAFFECTED) n = DPM /1 OOcm 2 Number n (n-N) (n-N)2 Number n (n-N) (n*N) 2 151 828.0 179.0 32037.66 201 1242.0 593.0 351637.95 152 483.0 -166.0 27559.09 202 414.0 -235.0 55229.38 153 1150.0 501.0 250991.66 203 1012.0 363.0 131762.24 154 1058.0 409.0 167273.38 204 805.0 156.0 24333.09 155 644.0 -5.0 25.09 205 0.0 -649.0 421213.09 156 598.0 --51.0 2601.95 206 736.0 87.0 7567.38 157 368.0 -281.0 78966.24 207 552.0 -97.0 9410.81 158 713.0 64.0 4094.81 208 1242.0 593.0 351637.95 159 *1 osa.o 409.0 167273.38 209 1219.0 570.0 324889.38 160 1242.0 593.0 351637.95 210 851.0 202.0 40800.24 161 989.0 340.0 115593.66 211 1081 .0 432.0 186615.95 162 1058.0 409.0 167273.38 212 230.0 -419.0 175568.81 163 828.0 179.0 32037.66 213 322.0 -327.0 106935.09 164 828.0 179.0 32037.66 214 1242.0 593.0 351637.95 165 598 .0 --51.0 2601.95 215 322.0 -327.0 106935.09 166 1012.0 363.0 131762.24 216 1081 .0 432.0 186615.95 167 713.0 64.0 4094.81 217 437.0 -212.0 44947.95 168 690.0 41.0 1680.24 218 920.0 271 .0 73435.95 169 598.0 -51.0 2601.95 219 989 .0 340.0 115593.66 170 598.0 -51.0 2601.95 220 414.0 -235.0 55229.38 171 414 .0 -235.0 55229.38 221 161 .0 -488.0 238153.09 172 552.0 -97.0 9410.81 222 851 .0 202.0 40800.24 173 138.0 -511.0 261130.52 223 966.0 317.0 100483.09 174 437.0 -212.0 44947.95 224 437.0 -212.0 44947.95 175 345.0 -304.0 92421.66 225 460.0 -189.0 35724.52 176 1242.D 593.0 351637.95 226 552.0 -97.0 9410.81 177 437.0 -212.0 44947.95 227 552.0 -97.0 9410.81 178 230.0 -419.0 175568.81 228 828.0 179.0 32037.66 179 529.0 -120.0 14402.24 229 575.0 -74.0 5477.38 180 920.0 271 .0 73435.95 230 276.0 -373.0 139135.95 181 391 .0 -258.0 66568.81 231 1012.0 363.0 131762.24 182 1127.0 478.0 228475.09 232 621.0 -28.0 784.52 183 0.0 -649.0 421213.09 233 598.0 -51.0 2601.95 184 207.0 -442.0 195372.24 234 414.0 -235.0 55229.38 185 230.0 -419.0 175568.81 235 276.0 -373.0 139135.95 186 644.0 -5.0 25.09 236 1229.0 580.0 336389.19 187 1081 .0 432.0 186615.95 237 943.0 294.0 86430.52 188 644.0 -5.0 25.09 238 805.0 156.0 24333.09 189 575.0 -74.0 5477.38 239 529.0 -120.0 14402.24 190 690.0 41.0 1680.24 240 115.0 -534.0 285165.95 191 0.0 -649 .0 421213.09 241 414.0 -235.0 55229.38 192 782.0 133.0 17686.52 242 299.0 -350.0 122506.52 193 207.0 -442.0 195372.24 243 506.0 -143.0 20451.66 194 644.0 -5.0 25.09 244 575.0 -74.0 5477.38 195 161.0 -488.0 238153.09 245 1242.0 593.0 351637.95 196 1242.0 593.0 351637.95 246 0.0 -649.0 421213.09 197 276.0 -373.0 139135.95 247 299.0 -350.0 122506.52 198 506.0 -143.0 20451.66 248 782.0 133.0 17686.52 199 161.0 -488.0 238153.09 249 598.0 -51.0 2601.95 200 345.0 -304.0 92421.66 250 483.0 -166.0 27559.09

31211.0 Sum{n) 5693152.1 Sum(n-N)2 32509.0 Sum(n)

PAGE 3 OF4 6000683.9 Sum(n*N) 2 C:\OFFICE\AREA\I\FENCE\PUYUNBCM.WB2

06/16/99 CIMARRON CORPORATION - CIMARRON FACILITY BETA DIRECT TRUE MEAN ACTIVITY VS. GUIDELINE VALUE AT 95% CONFIDENCE AREA "I" FENCE SURVEY (UNAFFECTED}

n = DPM /1 OOcm 2

Number n (n-N) (n-N) 2 Number n {n-N) (n-N) 2 251 69.0 -580.0 336410.81 301 759 .0 110.0 12097.95 252 1196.0 547.0 299198.81 302 851.0 202.0 40800.24 253 759.0 110.0 12097.95 303 736.0 87.0 7567.38 254 276.0 *373.0 139135.95 304 391 .0 -258.0 66568.81 255 1242.0 593.0 351637.95 305 299.0 -350.0 122506.52 256 667.0 18.0 323.66 306 299.0 -350.0 122506.52 257 575.0 -74.0 5477.38 307 552 .0 -97.0 9410.81 258 92.0 -557.0 310259.38 308 851.0 202.0 40800.24 259 851.0 202.0 40800.24 309 0.0 -649.0 421213.09 260 230.0 -419.0 175568.81 310 897.0 248.0 61499.38 261 736.0 87.0 7567.38 311 552.0 -97.0 9410.81 262 575 .0 -74.0 5477.38 312 667.0 18.0 323.66 263 161.0 -488.0 238153.09 313 1150.0 501.0 250991.66 264 989.0 340.0 115593.66 314 368.0 -281.0 78966.24 265 368.0 -281.0 78966.24 315 460.0 -189.0 35724.52 266 391 .0 -258.0 66568.81 316 1035.0 386.0 148988.81 267 115.0 -534.0 285165.95 317 161 .0 -488.0 238153.09 268 138.0 -511.0 261130.52 318 966.0 317.0 100483.09 269 713.0 64.0 4094.81 319 598.0 -51.0 2601.95 270 1058.0 409.0 167273.38 320 828.0 179.0 32037.66 271 506.0 -143.0 20451.66 321 627.0 -22.0 484.41 272 598.0 -51.0 2601.95 322 598.0 -51.0 2601.95 273 552.0 -97.0 9410.81 323 0.0 0.00 0.00 274 943.0 294.0 86430.52 324 0.0 0.00 0.00 275 184.0 -465.0 216233.66 325 0.0 0.00 0.00 276 368.0 -281.0 78966.24 326 0.0 0.00 0.00 277 644.0 -5.0 25.09 327 0.0 0.00 0.00 278 552.0 -97.0 9410.81 328 0.0 0.00 0.00 279 1150.0 501.0 250991.66 329 0.0 0.00 0.00 280 1012.0 363.0 131762.24 330 0.0 0.00 0.00 281 23.0 -626.0 391887.66 331 0.0 0.00 0.00 282 736.0 87.0 7567.38 332 0.0 0.00 0.00 283 736.0 87.0 7567.38 333 0.0 0.00 0.00 284 644.0 -s.o 25.09 334 0.0 0.00 0.00 285 782.0 133.0 17686.52 335 0.0 0.00 0.00 286 322.0 -327.0 106935.09 336 0.0 0.00 0.00 287 299.0 -350.0 122506.52 337 0.0 0.00 0.00 288 368.0 -281.0 78966.24 338 0.0 0.00 0.00 289 437.0 -212.0 44947.95 339 0.0 0.00 0.00 290 667.0 18.0 323.66 340 0.0 0.00 0.00 291 644 .0 -5.0 25.09 341 0.0 0.00 0.00 292 943.0 294.0 86430.52 342 0.0 0.00 0.00 293 759 .0 110.0 12097.95 343 0.0 0.00 0.00 294 1081.0 432.0 186615.95 344 0.0 0.00 0.00 295 23.0 -626.0 391887.66 345 0.0 0.00 0.00 296 989.0 340.0 115593.66 346 0.0 0.00 0.00 297 874.0 225.0 50620.81 347 0.0 0.00 0.00 298 460.0 -189.0 35724.52 348 0.0 0.00 0.00 299 805.0 156.0 24333.09 349 0.0 0.00 0.00 300 1035.0 386.0 148988.81 350 0.0 0.00 0.00

30337.0 5537918.4 13645.0 1805738.8 Sum(n) Sum(n-N) 2 Sum{n) Sum(n-N)~

PAGE 4 OF 4 C:\OFFICE\AREA\I\FENCE\PUYUNBCM.W82

K ----------._ L L

M G

r E

D C C 8

A LIGHT POLE LIGHT POLE (17W, 154N) (16£, 82N)

~

NOTE:

REFER TO DATA TABLE FOR SURVEY RESULTS. CIMARRON CORPORATION CIMARRON FACILITY PHASE II - SUB-AREA I

- 0

. DESCRIPTIO~

DRAWING ISSUED.

~ B'l': et'[) b"/: Arf>'D B'(: [).I.'[

JE WR JL 6/21/99 BY JOB NO.

SURVEY PATTERN LOCATIONS LIGHT POLES IN PARKING LOT t':ftfV~--""':'.':'::~~----------------~D:-;;:.::RWN;:-;-_--T:DA;:-:-:;TE~-----S--CA~LE:_ _ _ _....J JE 5- 22-99 DRAWING NO.

LITEPOLES-PARKING NONE REV.

0

...SUBAREAI\FEATURES\LlfEPOLES-PARKING

10 10 0 10 20 30 40 I I I l I I I (154N, 17W)

I It_~

I~:

\__ LIGHT POLE i

J I

SUB-AREA I SIDEWALK -4: *H l~?t

- 150 GRASS PAVED 1 i I

AREA

- l -140 i

i OFFICE 130 - ! i TRAILER -*Jo PAVED I AREA

\

I I

\

\ HP 120- ~ ---120 I

I i

I :

110 - - I

- 110 GRASS /

C.R. TRAILER _ / !

100- -100 i

I

~,...,i--

~

SIDEWALK --.......__ H

-.....µ--i

}--~

90- ~ ....... 90 SIDEWALK -

URANIUM I BUILDING #1 1

'-----~I 1

J i (82N, 16[)

80---<

7 GRASS GRASS ~ LIGHT POLE

-so H I r

I I I

~

20 10 0 10 CIMARRON CORPORATION CIMARRON FACILITY 10 0 10 PHASE II - SUB-AREA I PARKING LOT - LIGHT POLE LOCATIONS SCALE IN METERS t---,---------------,---....----..--....----t RE.v. DESCRIPTION ~ SY: CK'D BY: .->P'o BY: t11.rr OR\'IN.

B'1 JE 6-5-99 ISCALE: AS SHOWN

- - - - - - - - - - - - - - - - - - + - - - - - + - - + . . , - - - - + - - - - 1 . J O B NO.

0 DRAWING !$SUED. J( WR i JL 6/21/99 DRAWING N(J, 99POSIUNS--2 Io*

...SUBAREAI\FEATURES\LITEPOLES- PARKING 1

- - - - - - - - - - - - - - - - - - - ~ -- - - -* -

05/19/99 CIMARRON FACILITY PARKING LOT LIGHTS SUB AREA "I" ALPHA AND BETA/GAMMA UNAFFECTED PHASE II

- BETA INSTRUMENTS:

ALPHA DIRECT LUDLUM 2220 4 PROBE DIRECT LUDLUM 2220 68 PROBE SIN 37807 50064 RESULTS IN DPM/100cm 2 DPM/100cm2 ALPHA-BACK~~ou~!!J 6cpm 312 cpm MDA 134 DPM 606 DPM 0.3 cpm 12 i

Cl-01 DPM/100cm 2 DPM/100cm 2 ALPHA AND BETA SMEAR TENNELEC LB-5100 BETA- 2.0 cpm 18 20438 DPM/100 cm 2 DPM/100cm 2 REVIEWED BY: -iJ, o.. ~ c, I I DATE: S---;..'-1---79 READING I/

LN PARKING LOT LIGHTS LOCATION DIRECT SMEAR

ID ALPHA BETA ALPHA BETA 1 17 w 154 N 1A 30 570 0 0 2 17 w 154 N 18 130 0 7 0 3 17 w 154 N 1C 90 15 0 0 4 17 w 154 N 1D 60 240 2 0 5 17 w 154 N 1E 60 0 4 5 6 17 w 154 N 1F 90 165 4 a 7 17 w 154 N 1G 40 135 2 5 8 17 w 154 N 1H 228 1058 0 0 g 17 w 154 N 11 360 1012 0 5 10 17 w 154 N 1J 72 644 2 0 11 17 w 154 N 1K 36 506 0 0 12 17 w 154 N 1L 96 989 7 4 13 17 w 154 N 1M 12 299 0 5 14 16 E 82 N 3A 10 990 2 0 15 16 E 82 N 38 820 960 2 0 16 16 E 82 N 3C 540 795 0 0 17 16 E 82 N 3D 400 1230 2 5 18 16 E 82 N 3E 360 840 2 2 19 16 E 82 N 3F 470 625 0 5 20 16 E 82 N 3G 480 645 0 5 21 16 E 82 N 3H 396 966 0 2 22 16 E 82 N 31 732 1242 2 10 23 16 E 82 N 3J 48 0 0 19 24 16 E 82 N 3K 216 840 2 0 25 16 E 82 N 3L 180 483 2 0 26 16 E 82 N 3M 96 435 0 2 A:\IUPKLTDA.WB2 1

- - - -----------

ML20212L552

Text

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