ML20129J939
| ML20129J939 | |
| Person / Time | |
|---|---|
| Site: | Westinghouse |
| Issue date: | 05/08/2020 |
| From: | Westinghouse |
| To: | Office of Nuclear Material Safety and Safeguards |
| Shared Package | |
| ML20129J934 | List: |
| References | |
| LTR-RAC-20-45 | |
| Download: ML20129J939 (10) | |
Text
Enclosure 6 to LTR-RAC-20-45 Date: May 8, 2020 Enclosure 6 CaF2 PILE RADIOLOGICAL DATA SET
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to LTR-RAC-20-45 Date: May 8, 2020 Sample results of all segregated material during dredging operations Sample # PPM U pCi/g U 1 67.8 175.5 2 63.1 163.4 3 46.1 119.5 4 41.1 106.5 5 39.0 100.9 6 35.6 92.3 7 34.9 90.4 8 33.3 86.2 9 31.8 82.4 10 31.7 82.2 11 31.1 80.7 12 31.1 80.5 13 30.8 79.6 14 30.6 79.3 15 30.4 78.7 16 30.0 77.6 17 29.8 77.2 18 29.2 75.6 19 29.2 75.5 20 29.1 75.4 21 29.1 75.3 22 29.0 75.2 23 28.3 73.3 24 28.1 72.8 25 28.0 72.5 26 27.9 72.3 27 27.6 71.5 28 27.4 71.0 29 26.6 68.9 30 26.6 68.8 31 26.1 67.6 32 26.1 67.5 33 25.9 67.1 34 25.6 66.4 35 25.6 66.2 36 25.5 66.1 37 25.5 66.0 38 25.5 66.0
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to LTR-RAC-20-45 Date: May 8, 2020 Sample # PPM U pCi/g U 39 24.9 64.5 40 24.9 64.5 41 24.6 63.7 42 24.2 62.8 43 24.2 62.7 44 24.2 62.7 45 24.2 62.6 46 24.1 62.5 47 23.7 61.4 48 23.7 61.4 49 23.7 61.3 50 23.6 61.1 51 23.4 60.7 52 23.4 60.7 53 23.4 60.6 54 23.2 60.2 55 23.0 59.5 56 23.0 59.5 57 22.7 58.8 58 22.7 58.8 59 22.7 58.7 60 22.6 58.6 61 22.5 58.2 62 22.4 58.1 63 22.4 58.0 64 22.3 57.7 65 22.2 57.4 66 22.1 57.2 67 22.1 57.2 68 22.1 57.1 69 22.0 57.0 70 22.0 57.0 71 21.6 55.8 72 21.5 55.6 73 21.4 55.5 74 21.4 55.4 75 21.4 55.4 76 21.3 55.2 77 20.8 54.0 78 20.8 53.8 to LTR-RAC-20-45 Date: May 8, 2020 Sample # PPM U pCi/g U 80 20.7 53.5 81 20.0 51.9 82 20.0 51.7 83 19.9 51.5 84 19.9 51.5 85 19.7 51.0 86 19.6 50.7 87 19.6 50.7 88 19.6 50.6 89 19.5 50.5 90 19.2 49.8 91 19.2 49.7 92 19.1 49.5 93 19.1 49.4 94 18.7 48.4 95 18.4 47.6 96 18.4 47.6 97 18.2 47.0 98 17.9 46.3 99 17.7 45.9 100 17.4 45.0 101 17.1 44.3 102 17.1 44.2 103 16.9 43.6 104 16.8 43.6 105 16.6 42.9 106 16.6 42.9 107 16.5 42.8 108 16.5 42.6 109 16.4 42.6 110 16.4 42.4 111 16.3 42.2 112 16.1 41.8 113 16.1 41.6 114 16.0 41.4 115 15.9 41.2 116 15.7 40.6 117 15.7 40.6 118 15.2 39.5 119 15.2 39.3 120 15.1 39.2 to LTR-RAC-20-45 Date: May 8, 2020 Sample # PPM U pCi/g U 121 14.9 38.7 122 14.6 37.7 123 14.5 37.6 124 14.5 37.6 125 14.3 37.1 126 13.5 35.0 127 13.5 34.9 128 13.4 34.8 129 13.4 34.6 130 13.3 34.5 131 13.3 34.5 132 13.2 34.2 133 13.2 34.1 134 13.1 34.0 135 12.9 33.4 136 12.6 32.5 137 12.5 32.3 138 12.3 31.9 139 12.2 31.5 140 11.9 30.9 141 11.8 30.7 142 11.8 30.7 143 11.8 30.5 144 11.7 30.3 145 11.7 30.2 146 11.6 30.1 147 11.3 29.2 148 11.0 28.6 149 10.0 26.0 150 9.0 23.3 151 8.7 22.6 152 8.0 20.7 153 7.5 19.4 154 7.5 19.3 155 7.2 18.7 156 6.6 17.2 157 4.4 11.3 158 4.4 11.3 20.9 54.1 Mean 8.7 22.5 Std Dev
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to LTR-RAC-20-45 Date: May 8, 2020 Specific Activity from CaF2 measurements = 2.590 Specific Activity from Plant Nominal (pellets) = 2.784 (for comparison only)
Isotopic on CaF2 Samples U-234 U-235 U-236 0.035 3.891 0.003 0.035 3.914 0.003 0.035 3.915 0.003 0.034 3.877 0.003 0.035 3.919 0.003 0.034 3.816 0.003 0.035 3.887 0.003 0.035 3.964 0.003 0.035 3.893 0.003 0.034 3.800 0.003 Mean Mean Mean 0.035 3.888 0.003 Nuclide Concent. Wt% uCi/g uCi/g Bq/g Nuclide U-235 Basis U Basis Nuclide Alpha Alpha % Activity U-232 0.00 0.00E+00 21300000 0.000 0.000E+00 0.00 U-233 0.00 0.00E+00 9480 0.000 0.000E+00 0.00 U-234 9,000 0.035 6234 2.182 8.072E+04 84.24%
U-235 3.888 2.14 0.083 3.082E+03 3.22%
U-236 700 0.003 64.7 0.002 7.184E+01 0.07%
U-238 96.074 0.336 0.323 1.194E+04 12.47%
Totals 100.000 2.590 9.581E+04 100.00%
Sample Range (Total U) U-235 Sample Range (@ 3.88% EU)
Minimum 11.3 pCi/g Minimum 0.4 pCi/g Average 54.1 pCi/g Average 1.7 pCi/g Maximum 175.5 pCi/g Maximum 5.6 pCi/g Isotopic U (based on average concentration) U Mass U-234 45.6 pCi/g U-234 16.7 g U-235 1.7 pCi/g U-235 1,841 g U-238 6.7 pCi/g U-238 45,874 g 47,732 g Total U CaF2 Pile 2,286,103,680 g
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to LTR-RAC-20-45 Date: May 8, 2020 Enclosure 7 UF6 CYLINDERS RADIOLOGICAL DATA SET
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Enclosure 7 to LTR-RAC-20-45 Date: May 8, 2020 Cylinder Side A Cylinder Side B Max Ext Max Int Max Int Cylinder Max Int Alpha Removable Removable Max Int Alpha Removable Removable National Gamma Gamma Gamma Sequence Cylinder # Scan Alpha Beta Scan Alpha Beta Build # Scan Scan Scan
- k dpm/100cm2 dpm/100cm2 (dpm/100cm2) k dpm/100cm2 dpm/100cm2 dpm/100cm2 k gcpm k gcpm k gcpm 1 WEC 0748 5523 33 40 55 8,561 6,719 75 25 3,728 2,534 2 WEC 1041 122 40 80 25 271 229 90 42 428 324 Columbiana Boiler Co 3 1416 18182 35 50 19 608 1,561 35 16 1,226 3,431 4 DOT 106A500X n/a 30 60 14 123 81 50 43 115 57 5 Carival SPA 4546 S/O 586 23 35 35 17 3,498 1,823 35 9 1,317 636 6 WEC 1009 90 40 115 58 596 369 105 52 311 198 7 WEC 1035 116 38 110 120 4,131 2,483 125 110 2,532 2,226 8 WEC 1071 152 40 76 105 2,831 1,518 110 84 11,279 5,769 9 7130 5664 30 70 96 2,797 3,060 110 107 1,902 1,336 10 WEC 1106 187 40 110 26 405 227 85 37 511 25 11 O514 n/a 25 35 70 5,150 5,799 35 70 5,445 5,660 12 WEC 0923 4 30 50 10 79 41 90 30 372 266 Columbiana Boiler Co 13 15413 18179 30 55 254 10,759 5,974 65 235 7,487 4,381 Columbiana Boiler Co 14 15441 2447 20 30 122 7,334 4,373 25 148 1,595 1,328 15 WEC 0818 n/a 30 70 27 206 174 90 52 173 98 gamma bkg ~13k cpm Min 20 30 10 79 41 25 9 115 25 Mean 33 66 68 3,157 2,295 75 71 2,561 1,885 Max 40 115 254 10,759 6,719 125 235 11,279 5,769
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to LTR-RAC-20-45 Date: May 8, 2020 Max Int Gamma Max Int Alpha Scan Removable Alpha Removable Beta Scan (k gcpm) (k dpm/100cm2) (dpm/100cm2) (dpm/100cm2) 1A 40 55 8,561 6,719 2A 80 25 271 229 3A 50 19 608 1,561 4A 60 14 123 81 5A 35 17 3,498 1,823 6A 115 58 596 369 7A 110 120 4,131 2,483 8A 76 105 2,831 1,518 9A 70 96 2,797 3,060 10A 110 26 405 227 11A 35 70 5,150 5,799 12A 50 10 79 41 13A 55 254 10,759 5,974 14A 30 122 7,334 4,373 15A 70 27 206 174 1B 75 25 3,728 2,534 2B 90 42 428 324 3B 35 16 1,226 3,431 4B 50 43 115 57 5B 35 9 1,317 636 6B 105 52 311 198 7B 125 110 2,532 2,226 8B 110 84 11,279 5,769 9B 110 107 1,902 1,336 10B 85 37 511 25 11B 35 70 5,445 5,660 12B 90 30 372 266 13B 65 235 7,487 4,381 14B 25 148 1,595 1,328 15B 90 52 173 98 Max Int Gamma Max Int Alpha Scan Removable Alpha Removable Beta Scan (k gcpm) (k dpm/100cm2) (dpm/100cm2) (dpm/100cm2)
Min 25 9 79 25 Mean 70 69 2,859 2,090 Max 125 254 11,279 6,719
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to LTR-RAC-20-45 Date: May 8, 2020 Cylinder Data weight 1480 lbs 671,316 g length 85 inches 215.9 cm diameter 30 inches 76.2 cm radius 15 inches 38.1 cm wall thickness 0.6 inch internal SA cm2 60,804 U Activity: 1.89716E-05 curies
@ assumed 5% max EU:
U-234: 1.55738E-05 curies = 0.003 grams = 23.2 pCi/g U-235: 8.59413E-07 curies = 0.4 grams = 1.3 pCi/g U-238: 2.5384E-06 curies = 7.6 grams = 3.8 pCi/g grams Total 8.0 U
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