ML20085H626

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Semiannual Effluent Release Rept for First Half 1983.W/
ML20085H626
Person / Time
Site: Calvert Cliffs  Constellation icon.png
Issue date: 08/30/1983
From: Poindexter C
BALTIMORE GAS & ELECTRIC CO.
To: Murley T
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
NUDOCS 8309120180
Download: ML20085H626 (83)


Text

1 SEMI-ANNUAL EFFLUENT RELEASE REPORT FOR CALVERT CLIFFS NUCLEAR POWER PLANT FIRST HALF - 1983 LIST OF ENCLOSURES TITLE PAGE Regulatory Limits 1 Maximum Permissible Concentration 2 Measurements and Approximation of Total Radioactivity 3 Batch Releases 7 Abnormal Releases 8 Gaseous Effluents - Summation of Releases 9 Gaseous Effluents - Isotopic Breakdown 10 Liquid Effluents - Summation of Releases 12 Liquid Effluents -Isotope Breakdown 13 Solid Waste Shipments 16 8309120100 830830 PDR ADOCK 05000317 R PDR

CALVERT CLIFFS NUCLEAR POWER PLANT EFFLUENT AND WASTE DISPOSAL SEMI-ANNUAL REPORT 1/

SUPPLEMENTAL INFORMATION Facility - Calvert Cliffs Nuclear Power Plant Licensee - Baltimore Gas & Electric Company I. REGULATORY LIMITS A. Fission and Activation Gases:

1. The instantaneous release rate of gross activity, except for I-131 and particulates with half-lives longer than eight days shall not exceed Qi 4 3 5 ~

(3.85 x 10 ) (MPC)i where Qi is the release rate in Ci/sec for isotope i and MPCi is the maximum permissible concentration of isotope I as defined in Appendix B, Table II, Column 1,10 CFR 20.

2. The release rates of gross gaseous activity shall not exceed 16 percent of the values specified in I.A.I. above when averaged over any calendar quarter. See Table I A, A3.
3. The release rates of gross gaseous activity shall not exceed 8 percent of the values specified in I.A.I. above when averaged over 12 consecutive months. See Table I A, A4.

1]/, Submitted in accordance with Section 5.6.1.b of Appendix B of the Environmental Technical Specifications

B. Iodines and Particulates, Half-Lives >8 Days:

1. The release rate from the main vents of I-131 and particulates with half-lives greater than eight days released to the environment as part of airborne effluents shall not exceed 2.0 uCi/sec.
2. The release rates of I-131 and particulates shall not exceed 8 percent of the value specified in I.B.I. above when averaged over any calendar quarter. See Table I A, B3.
3. It should be noted that " iodines" as used here includes only lodine-131 since the Technical Specifications only refer to it specifically. Such other iodines, i.e., iodine-133, iodine-135, etc., are treated as gross activity and are included in I.A.I. and I.A.2.
4. The release rates of I-131 and particulates shall not exceed 4 percent of the values specified in I.B.1 above when averaged over any 12 consecutive months. See Table I A, B4.

C. Liquid Effluents:

l 1. The release rate of radioactive liquid effluents, excluding tritium and noble gases, shall not exceed 10 curies per unit during any calendar quarter.

2. The radioactivity release concentrations in liquid effluents from the l plant shall not exceed the values specified in 10 CFR, Part 20, Appendix  !

B, for unrestricted areas.

II. MAXIMUM PERMISSIBLE CONCENTRATIONS i

l zThe MPC's used for radioative materials released in liquid and gaseous effluents are

l. in accordance with Technical Specifications and/or are derived from the use of notes to Appendix B,10 CFR, Part 20. In all cases, the most restrictive (lowest)

! MPC found for each isotope is used regardless of solubility.

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The following limits were used to calculate the percent of applicable limit in Table 2A:

A. Fission and Activation Products - Limit used 1 x 10-7 uCi/ml. This limit was used as given in the notes to Appendix B, Table II, Column 2 of 10 CFR 20.

B. Tritium - Limit used 3 x 10-3 uCi/ml.

This limit was used as given in Appendix B, Table II, Column 2 of 10 CFR 20.

C. Dissolved and Entrained Gases - Limit used 3 x 10-6 uCi/ml.

This limit was used as given in Apper dix B, Table II, Column 2 of 10 CFR 20.

III. AVERAGE ENERGY - not applicable IV. MEASUREMENTS AND APPROXIMATIONS OF TOTAL RADIOACTIVITY A. Fission and Activation Gases:

1. Batch Releases Prior to each batch release of gas from a pressurized gas decay tank, a sample is collected and analyzed for each significant isotope using a Ge(Li) detector. The total activity released is based on the pressure / volume relationship (gas laws) of the tank prior to and af ter the release.

Prior to and af ter the release of gas as a result of purging containment, i

l samples are collected and analyzed for each significant isotope using a Ge(Li) detector. The total activity released is based on containment volume and purge rate with activity buildup while purging is being considered.

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2. Continuous releases During the release of gas from the main vents, samples are collected and analyzed at least weekly for each significant isotope using a Ge(LI) detector. The total activity released for the week is based on the weekly result multiplied by the main vent flow for the week.

B. Iodine and Particulates:

1. Batch releases Total activity released from a pressurized gas decay tank as iodines and particulates is measured by the same methods as fission and activation gases.

Prior to and af ter the release of gas as a result of purging containment, iodines are sampled using a charcoal filter and particulates are sampled using a particulate filter. These filters are analyzed for each significant isotope using a Ge(Li) detector. The total activity released is based on containment volume and purge rate with activity buildup while purging is being considered.

2. Continuous releases During the release of gas from the main vents, samples of iodines and particulates are collected using a charcoal and particulate filter

. respectively. The filters are removed weekly and are analyzed for each significant isotope using a Ge(Li) detector. The total activity released for the week is based on the activity found on the filters multiplied by the main vent flow for the week. The activity on the filters is corrected i for decay and buildup during the sample period. These weekly particulate filters are then composited to form monthly and quarterly composites at which time gross alpha and strontium 89 and 90 are analyzed.

C. Liquid Effluents:

1. Batch releases Prior to the release of liquid from a monitor tank, a sample is collected and analyzed for the concentration of each significant gamma energy peak to demonstrate compliance with Section I.C.1 above using the water flow rate in each discharge conduit into which the effluent is discharged at the time of discharge. The total activity released in each batch is determined by multiplying the volume released times the concentration of each isotope. The actual volume released is based on the difference in tank levels prior to and af ter the release. A proportional composite sample is also withdrawn for each week's releases, and this is used in turn to prepare monthly and quarterly composites for use in analyses of gross alpha and strontium 89 and 90.
2. Continuous releases Steam generator blowdown is sampled daily and these samples are used in turn to prepare a weekly blowdown composite based on each day's blowdown. The weekly composite is analyzed for each significant isotope using a Ge(Li) detector and these results are multiplied by the actual quantity of blowdown to determine the total activity released. The I

weekly composite is also used to prepare monthly and quarterly composites for use in analyses of tritium, gross alpha, and strontium 89 and 90.

D. Estimation of Total Error:

Total error on all releases was estimated using as a minimum the random counting error associated with typical releases. In addition to the random error, the detector to sample geometry systematic error during gamma counting was determined. This included an estimate of sample volume error and sample pipetting error. More specifically the following other systematic I

errors were also examined:

1. Liquid
a. Error in volume of liquid released prior to dilution during batch releases.
b. Error in volume of liquid released via steam generator blowdown.
c. Error in amount of dilution water used during the reporting period.

. 2. Gases

a. Error in main vent release flow.
b. Error in sample flow rate.
c. Error in containment purge release flow.

4

d. Error in gas decay tank pressure.

Where errors could be estimated they were usually considered additive.

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r V. BATCH RELEASES ist 2nd Quarter Quarter A. Liquid:

1. Number of batch releases 6.40E+01 6.40E+01
2. Total time period for batch 3.31E+02 2.24E+02 release (hours)
3. Maximum time period for a 1.09E+03 8.85E+02 batch release (min)
4. Average time period for batch 3.10E+02 2.09E+02 releases (min)
5. Minimum time period for a 1.50E+01 2.00E+01 batch release (min)
6. Average stream flow during periods 4.64E+06 4.64E+06 of effluent into a flowing stream (liters / min of dilution water)

B. Gaseous:

1. Number of batch releases 3.20E+01 5.10E+01
2. Total time period for batch 1.63E+04 1.28E+04 releases (min)
3. Maximum time period for a batch 9.23E+03 1.02E+03 release (min)
4. Average time period for batch 5.09E+02 2.51E+02 i release (min)
5. Minimum time period for a batch 8.50E+01 3.40E+01

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_ 8-VL ABNORMAL RELEASES 1st 2nd Quarter Quarter A. Liquid:

., 1. Number of releases 2. Total activity released (Curies) 2_/

B. Gaseous:

1. Number of releases 2. Total activity releases (Curies) 2_/ Excluding tritium and dissolved gases 1

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TABLE l A - REG GUIDE 1.21 CALVERT CLIFFS NUCLEAR POWER PLANT EFFLUENT AND WASTE DISPOSAL SEMI-ANNUAL REPORT FIRST HALF - 1983 GASEOUS EFFLUENTS - SUMMATION OF ALL RELEASES lst 2nd Est. Total A. Fission and activation gases Units Quarter Quarter Error, %

1. Total Release Ci 3.86E+02 5.29E+03 2.15E >01
2. Average release rate for period uCi/sec 4.90E+01 6.71 E+02
3. Percent of tech, spec. limit (1)  % 7.95E-01 1.09 E+01
4. Percent of tech. spec. limit (2)  % 2.73E+00 8.44 E+00 B. lodiras
1. Total lodine - 131 C1 3.84E-03 2.60E-02 1.84E+01
2. Average release rate for period uCl/sec 4.87E-04 3.30E-03
3. Percent of tech. spec. limit (3)  % 3.04E+00 3.06E+00
4. Percent of tech. spec. limit (4)  % 6.00E+00 6.17E+00 C. Particulates
1. Particulates with half lives greater than 8 days Cl 1.26E-04 7.llE-03 1.84 E+01
2. Average reiease rate for period uCi/sec 1.60E-05 9.04 E-04
3. Percent of tech. spec. limit (3)  % 1.00E-02 5.65E-01
4. Percent of tech. spec. limit (4)  % 2.00E-02 1.13E+00
5. Gross alpha radioactivity Ci < 3.37E-06 < l.32E-05 D. Tritium
1. Total Release Ci 1.10E-01 _l.30E+00 2.18E+01
2. Average release rate for period uCi/sec 1.40E-02 1.65E-01
3. Percent of tech. spec. limit (1)  % 1.14E-04 1.35E-03 (1) Percent of I.A.2 for each quarter (2) Percent of I.A.3 for previous 12 months (3) Percent of I.B.2 for each quarter (4) Percent of I.B.3 for previous 12 months

TABLE IC REG GUIDE 1.21 CALVERT CLIFFS NUCLEAR POWER PLANT FIRST HALF - 1983 GASEOUS EFFLUENTS - GROUND LEVEL RELEASES Continuous Mode Batch Mode 1st 2nd 1st 2nd

1. Fission and activation gases Units Quarter Quarter Quarter Quarter krypton - 85m Ci 2.08E-01 1.20E+00 2.91 E+00 krypton - 88 Cl 6.50E-02 2.61E-01 xenon -

131m C1 3.30E+00 3.48E+01 xenon - 133 Cl 1.29E+02 3.23E+02 2.40E+C2 4.87E+03 xenon - 133m Ci 1.30E+00 1.95E+01 xenon - 135 Cl 8.10E+00 2.ll E+01 2.70E+00 2.03E+01 argon - 41 C1 4.90E-02 1.20E-01 krypton - 87 Ci 7.40E-03 4.68E-02 Total For Period Ci 1.37E+02 3.44E+02 2.49E+02 4.95E+03

2. Malogens lodine - 131 C1 3.84E-03 1.94E-02 2.00E-06 6.61E-03 lodine - - 132 Cl 1.21E-07 lodine - 133 Ci 1.15E-02 1.29E-02 6.20E-07 1.61E-03 lodine - 135 Cl 1.24E-03 1.70E-05 6.75E-09 bromine - 82 Ci 9.10E-06 8.37E-06 Total For Period Ci 1.66E-02 3.23E-02 f.17E-05 8.23E-03 4

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_T_ABLE IC REG GUIDE 1.21 (CONT'D)

CALVERT CUFFS NUCLEAR POWER PLANT FIRST HALF - 1983 GASEOUS EFFLUENTS - GROUND LEVEL RELEASES Continuous Mode Batch Mode 1st 2nd 1st 2nd

3. Particulates Units Quarter Quarter Ouarter Quarter strontium - 89 Cl 1.20E-04 4 9.17E-07 strontium - 90 C1 < 4.34E-06 < 5.60E-07 rubidium - 88* C1 3.10E-02 8.8 t E-02 cobalt - 58 Cl 1.80E-07 1.50E-G5 cesium - 138* Cl 1.20E-04 4.24E-04 ceslum - 134 C1 2.00E-07 2.70E-03 cesium - 137 Cl i .90E-06 4.40E-03 Total For Period Ci <1.24E-04 < 1.47E-06 3.llE-02 9.56E-02
  • Particulates with half lives less than eight days.

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TABLE 2A - REG GUIDE 1.21 CALVERT CLIFFS NUCLEAR POWER PLANT EFFLUENT AND WASTE DISPOSAL SEMI-ANNUAL REPORT FIRST HALF - 1983 LIQUID El FLUENTS - SUMMATION OF ALL RELEASES lst 2nd Est. Total A. Fission and activation products Units Quarter Quarter Error, %

1. Total Release (not including tritium, gases, alpha) Cl 1.13E+00 2 .od-01 2.16E+01
2. Average diluted concentration during period uCi/ml i.92E-09 3.75E-10
3. Percent of applicable limit  % 5.65E+00 1.13E+00 B. Tritium
1. Total Release Ci 2.12E+02 2. l l E+02 1.81E+01
2. Average diluted concentration during period uCl/ml 3.59E-07 3.51E-07
3. Percent of applicable limit  % 1.20E-02 1.17E-02 C. Dissolved and entrained gases
1. Total Release Cl 1.25E+00 4.66E-01 2.00E+01
2. Average diluted concentration during period uCi/mi 2.13E-09 7.73E-10
3. Percent of applicable limit  % 7.10E-02 2.57E-02 D. Gross alpha radioactivity
1. Total Release Ci 2.98E-04 4.70E-04 3.00E+00 E. Volume of Waste Releases (prior to dilution) liters 9.61E+06 5.62 E+06 3.00E+00 F. Volume of dilution water used during period liters 5.96E+11 6,00E+ 11 1.40E+01 _

TABLE 2B REG GUIDE 1.21 CALVERT Cl,IFFS NUCLEAR POWER PLANT EFFLUENT AND WASTE DISPOSAL SEMI-ANNUAL REPORT FIRST HALF - 1983 LIQUID EFFLUENTS Continuous Mode (1) Batch Mode 1st 2nd 1st 2nd Nuclides Released Units Quarter Quarter Quarter Quarter strontium - 89 Ci < l .98E-04 < 2.42E-06 1.26E-03 1.40E-04 str ontium - 90 Ci < 8.82E-06 < 4.83E-07 2.28E-04 8.98E-05 cssium - 134 Ci 1.21 E-01 4.31 E-03 cssium - 137 Ci 1.88E-01 1.08E-02 lodine - 131 Ci < 4.86E-05 < l .69E-06 1.61E-01 4.67E-02 cobalt - 58 Ci 2.29E-01 3.39E-02 ccbalt - 60 Ci 3.36E-02 7.48E-03 manganese - 54 Ci 8.26E-03 1.23E-03 chromium - 51 Ci 1.66E-02 1.36E-03 zirconium - 95 Ci 5.19E-03 6.74E-04 niobium - 95 Ci 1.48E-02 1.82E-03 molybdenum - 99 Ci 3.66E-03 1.54E-03 birium - 140 Ci 1.79E-03 Entimony - 124 Ci 2.82E-02 3.47E-02 lodine - 133 C1 3.24E-02 5.06E-03 cntimony - 125 Ci 2.08E-01 6.16E-02 cobalt - 57 Ci 6.18E-04 5.06E-05 silver - 110m Ci 5.20E-02 3.71E-03 Itnthanum - 140 Ci 1.445-03 1.52E-03 tin - 113 Ci 9.31E-06 6.76E-06 sodium - 24 Ci 5.96E-03 3.28E-04 ccrium - 144 Ci 6.84E-04

TABLE 2B REG GUIDE 1.21 (CONT'D)

CALVERT CLIFFS NUCLEAR POWER PLANT EFFLUENT AND WASTE DISPOSAL SEMI-ANNUAL REPORT FIRST HALF - 1983 LIQUID EFFLUENTS Continuous Mode (1) Batch Mode 1st 2nd 1st 2nd Nuclides Released Units Quarter Quarter Quarter Quarter entimony - 122 Cl 7.82E-03 5.58E-03 unidentified Ci < 9.13E-05 < 3.75E-06 < 3.80E-03 < 2.81E-03 Total For Period Ci 3.47E-04 6.65E-06 1.13 E+00 2.26E-01

TABLE 2B REG GUIDE 1.21 (CONT'D)

CALVERT CLIFFS NUCLEAR POWER PLANT EFFLUENT AND WASTE DISPOSAL SEMI-ANNUAL REPORT FIRST HALF - 1983 LIQUID EFFLUENTS Contineous Mode (1) Batch Mode ist 2nd 1st 2nd

, Nuclides Released Units Quarter Quarter Quarter Quarter X. mni - 133 Ci < 2.21E-04

< 3.94E-06 1.22E+00 4.18E-01 Xtnen - 135 Ci 3.29E-03 7.58E-04 Krypton - 85 Ci 3.51 E-02 4.69E-02 (1) Continuous mode releases, i.e., nuclides released, are less than " unidentified" unless otherwise noted.

TABLE 3A EFFLUENT AND WASTE DISPOSAL SEMI-ANNUAL REPORT FIRST HALF - 1983 SOLID WASTE AND IRRADIATED FUEL SHIPMENTS A. SOLID WASTE SHIPPED OFFSITE FOR BURIAL OR DISPOSAL (NOT IRRADIATED FUEL) 6 Month Est. Total

1. Type of Waste Units Period Error %
a. Spent resin, filter sludge m3 1.03E+01 evaporator bottoms, etc. Cg 1.35E+01 2.00E+01
b. Dry compressible waste, m 1.74E+02 contaminated equipment, etc. Cg 5.83E-01 5.00E+01
c. Irradiated components, m control rods, etc. Cg
d. Other (describe) m Ci
2. Estimate of major nuclides (by type of waste)
a. Cobalt - 58 3.30E+01%

Cesium - 137 3.39E+01%

Cesium - 134 1.86E+01%

Manganese - 54 3.10E+00%

Cobalt - 60 6.20E+00%

Antimony - 122 9.00E-01%

Strontium - 90 1.40E+00%

Antimony - 125 2.30E+00%

b. Cobalt - 60 3.75E+01%

Cobalt - 58 3.76E+01%

Cesium - 137 1.21E+01%

Cesium - 134 3.78E+00%

Manganese - 54 2.95E+00%

Niobium - 95 1.23E+00%

Antimony - 125 2.37E+00%

Zirconium - 95 7.25E-Ol%

3. Solid Waste Disposition Number of Shipments Mode of Transportation Destination 9 Motor surface transit Barnwell, S. C.

4 Motor surface transit Richland, Wash.

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L CALVERT CLIFFS tRJCLEAR SITE m WIND REDUCED FROt1 125 FOUT LEVEL. TO 33 FOOT LEVEL' STABILITY CLASS.D C30-200 FOOT) e' WINDS AT 33 FOOT LEVEL WIND FRECUENCY DISTRIBUTION FRIQUENCY IN ttJt1BER OF OCCURRENCES 1/01/B3 TO 3/31'/ 83 WIND SPEED (M/S)

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(U1BER OF UALID HOURS 2160 '(TOTAL TU1BER OF POSSIBLE OBSERVATIONS WITH VALID SPEED , DIRECTION. AND STABILIW)

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BALTIt10RE GAS AND EL1Lixit COr1 pat # FEVISION O O CALUERT CLIFFS ttCLEAR SITE A. WIND RED r Tn FROt1 125 FOUT LEVEL TO 33 FON LEVEL M STABILITY CLASS G (30-200 FOOT) .

WitOS AT 33 FOOT LEVEL f l

WIND FREIIfEtCY DISTRIBUTION FRECUENCY, IN PERCBir OF ~ TOTAL t

l 4/01/83 TO 6/30/83 WIND SPEED (tt/S) .,

WIND .220- .510- .760- 1.10- 1.60- 2.10- 3.10- 5.10- 7.10- 10.1- 13.1- >18.0 ROW t1EAN DIREL'"IION .500 .750 1 1.50 2 3 5 7 10 13 18 1UITL SPEED l

N .00 .05 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .05 .63 tNE .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 NE .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ETE . .00 .00 .00 .00 .00 .00 .00 .A0 .00 .00 .00 .00 .00 .00 l E .00 .05 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .05 .72 ESE'. .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 SE .00 .00 .00 .00 .00 .09 .00 .00 .00 .00 .00 .00 .09 2.73 SSE .00 .00 .00 .00 .00 .05 .00 .00 .00 .00 .00 .00 .05 2.73 S .00 .00 .00 .00 .00 .18 .CG .00 .00 .00 .00 .00 .23 2.52 SSW .00 .00 .14 .09 .09 .28 .00 .00 .00 .00 .00 .00 .60 1.88 SW .00 .00 .05 .00 .29 .37 .00 .00 .00 .00 .00 .00 .69 1.97 IEW .05 .05 .09 .14 .14 .00 .00 .00 .00 .00 .00 .00 46 1.31

, W .00 .00 .18 .23 .05 .00 .00 .00 .00 .00 .00 .00 46 1.18 t

I LtM .00 .00 .05 .09 .14 .05 .00 .00 .00 .00 .00 .00 .33 .1.57 FM .00 .00 .00 .09 .09 .00 .00 .00 .00 .00 .00 .00 .18 .1.67 ftM .00 .00 .00 .0G .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 -

TMAL .05 .14 .51 .64 78 1.01 .05 .00 .00 .00 .00 .00 3.17 tif1HER OF CALt1S 0 tif1HER OF 'Irf>ALID HOURS 8 (1UTR. nut 1EHL'E OF POSSIBLE OBSERURTIONS LESS t0ttBER OF UALID FOURS) ftf1EER OF UALID HGJRS 2176 ('IUTAL ttK1BER OF POSSIBLE OBSERVATIONS WITH VALID SPEED, DIREETION. AND SmBILITY) e

  • o BALTIPONE GAS AND ELECTRIC COMPAt# RBJISION O A CALUEI?T CLIFFS NUCLEAR SITE w WIND FFrurED FROM 125 FCUT LEVEL TO 33 FOOT LEVEL STABILIT'" CLASS F (30-200 FOOT)

WINDS AT U FOOT LEVEL WIND FRECUEtCY DISTRIBLIFION FREQUD CY.IN PERCENT OF T TAL 4/01/83 TO 6/30/93 WIND SPEED (tVS) '

WIND .220- .510-DIRETION

.760- 1.10- 1. 60- 2.10- 3.10- 5.10- 7.10-

.500 .750 1 1.50 2 3 5 7 10.1- 13.1- >18.0 ROW MEAN 10 13 18 Tu1H SPEED N .00 .00 .00 .05 .00 .00 .00 .00 .00 .00 .00 .00 .05 1.21 GHE .00 .00 .00 .05 .00 .00 .00 .00 .00 .00 .00 .00 PE 4.05 1.12

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.00 2.09

.05 .05 .00 .14 . 51; 1.70 .05 .00 .00 .00 .00 .00 2.48 2.25 SSW .00 .09 .28 .60 .28 .64 .18 .00 .00 .00 .00 .00 2.07 1.84 SW .00 .05 .14 .28 . 51. .18 .00 .00 .00 .00 .00 .00 1.15 1.65 WSW .00 .00 .00 .00 .09 .00 .00 .00 .00 .00 .00 .09 W

.00 1.83

.05 .00 .00 .09 .23 .05 .00 .00 .00 .00 .00 .00 .41 1.59 ttM .00 .00 .09 .03 .05 .28 .00 .00 .00 .00 .00 .00 .51 1.88 FGI .09 .00 .05 .00 .05 .00 .00 .00 .00 .00 .00 .00 .18 .96 itM .00 .00 .00 .00 .00 .00 .00 .00

.00 .00 .00 .00 .00 .00 TOTR_ .23 .32 .69 1.56 2.25 3.45 .28 .00 .00 .00 .00 .00 8.78 tit 1lER OF CALMS O NLt1BER OF INVALID HCURS B (TUTAL PU1BER OF POSSIELE OBSERURTIONS LESS nut 1BER OF UALID HOURS)

, PU1HER OF VALID HOURS

. 21.76 (U7TAL tit 1BER OF POSSIDLE OBSERVATIONS WITH UALID SPEED.: DIRECTION. AND STABILI'IY)

D __ _ _ . _ . _ _ _ _ . _ _ _ _

BALT!t0RE GAS AND ELECTRIC COMPAt# REVISION O '

O CAL'JERT CLIFFS F4JCLEAR SITE a WIND REDLEED FEN 1 125 FalT LEVEL TO 33 FOOT LEVEL a STABILITY. CLASS F (30-200 FOOT)

WINDS AT 33 FOOT LEVEL WIND FRET 3 fFfCY DISTRIBUTION FREajE2CY IN NJtEIER OF (ECURREtCES 4/01/83 TO 6/30/83 WIND SPEED (M/S)

WIND .220- . 510-- .760- 1.10- 1.60- 2.10- 3.10- 5.10- 7.10- 10.1- 13.1- >18.0 ROW MEAN DIRIT. TION .500 .750 1 1.50 2 3 5 7 10 13 18 "IUITL SPEED N O O O 1 0 0 0 0 0 0 0 0 1 1.21 ff4E O O O 1 0 0 0 0 0 0 0 0 1 1.12 NE O O O O O O O O O O O O O .00 ENE 1 1 1 0 0 0 0 0 0 0 0 0 3 .69 E O O 1 0 0 0 0 0 0 0 0 0 1 .98 ESE O 1 0 2 1 0 0 0 0 0 0 0 4 1.27 SE O O 1 2 0 1 0 0 0 0 0 0 4 1.48 SSE O 1 0 2 1'1: 12 1 0 0 0 0 0 27 2.09 S 1 1 0 3 1'1 37 1 0 0 0 0 0 54 2.'25 SSW 0 2 6 13 6 14 4 0 0 0 0 0 45 1.84 SW 0 1 3 6 1:1' 4 0 0 0 0 0 0 25 1.65 6 0 0 0 0 2 0 0 0 0 0 0 0 2 1.83 W 1 0 0 2 5 1 0 0 0 0 0 0 9 1.59 W O O 2 2 1' 6 0 0 0 0 0 0 11 1.98 f44 2 0 1 0 1 0 0 0 0 0 0 0 4 .96 PMJ 0 0 0 0 0 0 0 0 0 0 0 0 0 .00 -

TOTAL 5 7 15 34 49 75 6 0 0 0 0 0 191 NLF1BER OF CALMS O FU1BER OF INVALID HOURS 8 (TOTAL f4Jt1BER OF POSSIILE OBSERVATIONS LESS ttJMBER OF VALID HIJRS)

, TU1BER OF VALID HajRS 2176 (TDTAL TU1BER OF POSSIBLE OBSERVATIONS WITH UALID SPEED.; DIRECTION. AND STABILITY)

t BR_TIPORE GAS AND ELECTRIC CDt1 PAIN RBJISION O O CALVERT Q_IFFS ttCLEAR SITE h WIND Pmrvn FRON 12S FGIT I WEL TD 33 FOOT LEVEL cn SIRBILIT(i CLASS E (30-20u IUTT)

WINDS AT 33 R]DT LEUD_

WIND FRED.lEtCY DISTRIIRJrION FRE2JBCY. IN PU1EER OF CECURRENCES 4/01/83 TO 6/30/83 WIND SPEED (t1/S)

WIND .220- .510- .760- 1.10-- 1:. 60- 2.10- 3.10- 5.10- 7.10- 10.1- 13.1- >18.0 ROW TEM DIRB~I'. ION .500 .750 1 1.50 2 3 5 7 10 13 18 1UITL SPEED N O O 2 2 i' O O O O O O O 5 1.22 NNE O 1 3 4 1 0 1 0 0 0 0 0 10 1.43 NE O 1 1 0 1: 0 0 0 0 0 0 0 3 1.12 ENE~ 0 0 1 4 2 0 0 0 0 0 0 0 7 1.48 E O O 2 10 2 1 0 0 0 0 0 0 15 1.44 ESE: ' O 2 1 5 5 2 2 2 0 0 0 0 19 2.33 SE O O 1 5 5 7 1 0 0 0 0 0 19 2.03 SSE' O O 2 10 19 36 3 0 0 0 0 0 70 2.1'1 S 0 0 4 7 12 36 3 0 0 0 0 0 62 2.16 SSW 0 2 5 21 19 17 0 0 0 0 0 0 64 1.72 SW 1 3 2 1'1 8 1 0 0 0 0 0 0 26 1.42 MSW 2 0 3 7 10 2 0 0 0 0 0 0 24 1.53 W d 1 0 3 1:1: 9 0 0 0 0 0 0 24 .1.85 I@H , 0 0 2 3 10 17 7 0 0 0 0 0 39 2.43 FM 0 0 0 4 6 20 5 0 0 0 0 0 35 2.40 ftM 0 1 0 0 1' 1 2 0 0 0 0 0 5 2.44 -

TCIITL 3 11 29  % :113 149 24 2 0 0 0 0 427 tU1BER OF Call 1S O FU1BER OF ' INVALID HOURS 8 ("IUTR_ tu1BER OF POSSIBLE OBSERVATIOtE LESS tu1EER OF WLID FOURS)

FU11ER OF UALID HQJRS 21T76 (TETTAL tu1BER OF POSSIILE OBSERVATIOtB WITH VALID SPEED.c DIRE ~rION. m D STABILI.TY) 9 0

. ~ ~ . . . . .- . - - - . -. .-. __

l BRTitT)RE GAS AND ELECTRIC COMPAtW REVISION O O CALUERT C1.IFFS t4JCLEAR SirrE h WIND Pm rvn FROrt 125 FtDT LEVEL _ TO 33 FIDT LEVEL us STABILITY. CLASS E (30-200 FWT)

WINDS AT 33 FCET LBEL WIND FRE[UEtCY DISTRIEUTION FRE2JDCYi IN PERCENT OF 'IDTAL 4/01/83 TO 6/30/83 WIND SPEED (M/S)

WIND .220- .510- .760- 1.10- 1.60- 2.10- 3.10- 5.10- 7.10- 10.1- 13.1- >18.O ROW MEAN DIRECTION .500 .750 1 1.50 2 3 5 7 10 13 18 'IUIH- SPEED N .00 .00 .09 .09 .05 .00 .00 .00 .00 .00 .00 .00 .23 1.22 tt4E .00 .05 .14 .18 .05 .00 .05 .00 .00 .00 .00 .00 .46 1.43 NE .00 .05 .05 .00 .05 .00 .00 .00 .00 .00 .00 .00 .14 1.12 ENE: .00 .00 .05 .18 .09 .00 .00 .00 .00 .00 .00 .00 .32 1.48 E .00 .00 .69 .46 .09 .05 .00 .00 .00 .00 .00 .00 .69 1.44 ESE: .00 .09 .05 .23 .23 .09 .09 .09 .00 .00 .00 .00 .87 2.33 SE .00 .00 .05 .23 .23 .32 .05 .00 .00 .00 .00 .00 .87 2.03 SSE. .00 .00 .09 .46 . 87. 1.65 .14 .00 .00 .00 .00 .00 3.22 2.1:1 S .00 .00 .18 .32 .55 1.65 .14 .00 .00 .00 .00 .00 2. EE 2.16 SSW i .00 .09 .23 .97 . 87. .78 .00 .00 .00 .00 .00 .00 2.94 1.72 SW .05 .14 .09 .51 . 37. .05 .00 .00 .00 .00 .00 .00 1.19 1.42 WSW < .09 .00 .14 .32 .46 .09 .00 .00 .00 .00 .00 .00 1.10 1 53 W .00 .05 .00 .14 . 51! .41 .00 .00 .00 .00 .00 .00 1.10 1.tE L24J .00 .00 .09 .14 .46 .78 .32 .00 .00 .00 .00 .00 1.79 2.43 t4J .00 .00 .00 .18 .28 .92 .23 .00 .00 .00 .00 .00 1.61 2.40 ft4J . .00 .05 .00 .00 .05 .05 .09 .00 .00 .00 .00 .00 .23 2.44 -

TUTAL .14 .51 1.33 4.41 5.19 6.85 1.10 .09 .00 .00 .00 .00 19.62 t m BER OF CALMS 0 NLF1BER OF It@ LID HOURS 8 (TUTAL tGBER OF POSSIBLE OBSERVATIOtG LESS t4JMBER OF UALID HOURS)

, i m BER OF UALID HGJRS 2176 (TUTAL f4JMBER OF POSSifLE OBSERVATIONS WITH Vft.!D SPEED.. DIRECTION. AND STABILIW)

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BALTit0RE GAS AND ELECTRIC cot 1PAtf( FEVISIOtt 0 o CALUEFrT CLIFFS NUCLERR SITE

a. WIND REDLEED FROt1 125 FGIT LEVEL TO 33 FOOT LEVEL

-.a STABILITA CLASS D (30-200 FOOT)

WINDS AT 33 FOOT LEVEL WIND FREDJEtCY DISTRIBUTIOf4 FREQUDCY, IN PERCDfT OF TDTAL 4/01/83 TO 6/30 83 WIND SPEED (F1/S)

WIND .220- .510- .760- 1.10- 1.60- 2.10- 3.10- 5.10- 7.10- 10.1- 13.1- >18.O ROW t1EAN DIRECTION .500 .750 1 1.50 2 3 5 7 10 13 18 TOTR_ SPEED N .00 .00 .05 .60 .32 .23 .05 .00 .00 .00 .00 .00 1.24 1.73 ff4E .00 .00 .23 .69 . 41. .23 .09 .00 .00 .00 .00 .00 1.65 1.70 NE .00 .00 .18 .64 .55 .14 .05 .00 .00 .00 .00 .00 1.56 1.67 BfE'. .00 .00 .14 .32 . 37. .28 .09 .00 .00 .00 .00 .00 1.19 1.89 E .00 .00 .05 .28 . 37. .41 .14 .00 .00 .00 .00 .00 1.24 2.10 ESE .00 .05 .09 .09 .T7 .51 46 .00 .00 .00 .00 .00 1.56 2.49 SE .00 .00 .09 .37 .74 1.70 1.56 .05 .00 .00 .00 .00 4.50 2.74 SSE .00 .00 .09 .64 .83 1.79 .55 .00 .00 .00 .00 .00 3.91 2.33 S .00 .00 .18 .64 .69 2.07 1.01 .00 .00 .00 .00 .00 4.60 2.41 SSW .00 .00 .32 .64 .64 1.33 .18 .00 .00 .00 .00 .00 3.12 1. %

SW .00 .14 .14 .46 .46 .37 .00 .00 .00 .00 .00 .00 1.56 1.61 WSW .05 .00 .00 .14 .18 .32 .00 .00 .00 .00 .00 .00 .69 1.79 W .00 .00 .14 .14 .32 .92 1.24 .00 .00 .00 .00 .00 2.76 2.93 bt44 .00 .05 .00 .14 .60 1.33 .74 .00 .00 .00 .00 .00 2. EE 2.58 t44 .00 .05 .05 .37 .32 .60 1.10 .18 .00 .00 .00 .00 2.67 3.09 ft4J .00 .05 .14 .28 .18 .18 .41 .14 .09 .00 .00 .00 1.47 3.12 -

TGTAL .05 .32 1.88 6.43 7.35 12.41 7.67 .37 .09 .00 .00 .00 36.58 NLt1BER OF CAlt1S O N f1BER OF ItIVALID HOURS 8 ("IUTAL tU1BER OF POSSIBLE OBSE165tT1ONS LESS ti.11BER OF UALID HJURS)

NLf1HER OF VALID HQJRS 2176 ("IUTAL NLt1BER OF POSSIBLE OBSERVATIONS WITH UALID SPEED., DIREETION. AND STABILITV)

BALT!? ORE GAS AND ELECTRIC cot 1PAff( REVISION O o CALUERT CLIFFS N r1FAR SliTE rn WIND RFM FFD FROM 125 FO[Ir LEVEL TO 33 FUJT LEVEL o STABILIT.Y CLASS C (30-200 FOOT)

WINDS AT 33 FOOT LEVEL WIND FRE00ENCY DISTRIBlJrlON FRECUDCY IN NJNBER OF OCDJRRENCES 4/01/83 TO 6/30/83 WIND SPEED (t1/S)

WIND .220- .510- .760- 1.10- 1.60- 2.10- 3.10- 5.10- 7.10- 10.1- 13.1- >18.O ROW NEAN DIRECTION .500 .7SO 1 1.50 2 3 5 7 10 13 18 TOTPL SPEED N O O O O 3 7 2 0 0 0 0 0 12 2.51 ttE O O O 2 6 7 7 0 0 0 0 0 22 2.68 NE O O O O 2 6 5 0 0 0 0 0 13 2.82 ENE O O O O 5 6 1 0 0 0 0 0 12 2.40 E O O O 1 1 4 1 0 9 0 0 0 7 2.46 ESE O O O 1 1 4 5 0 0 0 0 0 11- 2.82 SE O O O 1 1 8 6 1 0 0 0 0 17 3.11 SSE. O O O O 1 7 5 0 0 0 0 0 13 2.92 S 0 0 1 1 2 5 13 3 0 0 0 0 25 3.56 SSW 0 0 0 0 4 16 4 0 0 0 0 0 24 2.70 SW 0 0 1 1 0 1 1 0 0 0 0 0 4 1.96 WSW - 0 0 0 0 0 0 4 0 0 0 0 0 4 3.91 W 0 0 0 0 0 3 7 1 0 0 0 0 11 3.51 Lt4J O O O O O 4 7 5 0 0 0 0 16 4.OR t44 0 0 0 0 2 3 1 2 2 0 0 0 10 4.21 tt4J O O O 1 2 4 5 1 1 0 0 0 14 3.41 .

TCrrAL 0 0 2 8 30 OS 74 13 3 0 0 0 215 tit 1BER OF CALMS 0 NLPEER OF INUALID HOURS 8 (TUTR. tit 1BER OF POSSIBLE OBSERVATIONS LESS tittBER OF UALID FOUlE)

NLf1BER OF VALID HOURS 2176 (TCrfAL tir1BER OF POSSIBLE OBSFRXaTIOt6 WITH VALID SPEED., DIRECTION. AND STABILITY)

_- _ ___-____ s

BFt TitCNE GAS AND Fi erTRIC COr1PAPW REVISION O CALUEIU CLIFFS tirLEAR SITE WIND REDLIED FROM 125 FOCTT LEVEL TO 33 FCDT LEVEL STABILITY CLASS C (30-200 FCDT)

WINDS AT 33 FOOT LEVEL WIND FRFG fMCY DISTRIRJrION .

FREI 2JENCY IN PERCENT OF'1DTAL 4/01/83 TD 6/30/83 WIND SPEED (M/S)

WIND .220- .510- .760- 1.10- 11. 6 0 - 2.10- 3.10- 5.10- 7.10- 10.1- 13.1- >18.0 ROlJ MEAN DIRELI' ION .500 .750 1 .1.50 2 3 5 7 10 13 18 1DIR. SPEED N .00 .00 .00 .00 .1 " .32 .09 .00 .00 .00 .00 .00 .55 2.51 THE .00 .00 .00 .09 .28 .32 .32 .00 .00 .00 .00 .00 1. 01 2.68 tE .00 .00 .00 .00 .09 .28 .23 .00 .00 .00 .00 .00 .60 2.82 BE .00 .00 .00 .00 .23 .28 .05 .00 .00 .00 .00 .00 .55 2.40 E .00 .00 .00 .06 .05 .18 .05 .00 .00 .00 .00 .00 .32 2.46

!!SE ! .00 .00 .00 .06 .05 .18 .23 .00 .00 .00 .00 .00 .51 2.82 SE .00 .00 .00 .05 .05 .37 .28 .05 .00 .00 .00 .00 .78 3.11 SSE ' .00 .00 .00 .00 .05 .2 .23 .00 .00 .00 .00 .00 .60 2.92 S .00 .00 .05 .'E .09 .23 .60 .14 .00 .00 .00 .00 1.:15 3.56 SSW .00 .00 .00 .00 .18 .74 .18 .00 .00 .00 .00 .00 1.10 2.70 SW .00 .00 .0S .05 .00 .05 .05 .00 .00 .00 .00 .00 .18 1.96 WSW - .00 .00 .00 .00 .00 .00 .18 .00 .00 .00 .00 .00 .18 3.91 W .00 .00 .00 .00 .00 .14 .32 .05 .00 .00 .00 .00 .51 3.51 64 44 - .00 .00 .00 .00 .00 .18 .32 .23 .00 .00 .00 .00 .74 4.08 i

f44 .00 .00 .00 .00 .09 .14 .05 .09 .09 .00 .00 .00 46 4.21 PfM .00 .00 .00 .05 .09 .18 .23 .05 .05 .00 .00 .00 .64 3.41 -

TUTAL .00 .00 .09 .37 1:.38 3.91 3.40 .60 .14 .00 .00 .00 9.EB fit 1BER OF CRJ15 0 tt.r1BER OFilNUALID HOURS 8 (TOTAL t1JMBER OF POSSIBLE OBSERVATIONS LESS t4JMBER OF UALID H1JRS) tif1BER OF VR.lD HCIJRS 2176 (TUTAL ti.F1BER OF POSSIEG OBSERVATIONS WITH UALID SPEED.. DIRIrrION. (ViD STABILITY) t

REVISION O BALTIt10RE GAS AND ELECTRIC cot 1PAtW O CALVERT CLIFFS PLCLEAR SITE ui WIND REDLCED FROt1 125 FO[If LEVEL TO 33 FOOT LEVEL ro STABILITY CLASS B (30-200 FOOT)

WINDS AT 33 FOOT LEVEL WIND FREDJENCY DISTRIBUTION FREQUDCY IN nut 1BER OF OCCURRDCES 4/01/83 TO 6/30/83 WIND SPEED (t1/S) 5.10- 7.10- 10.1- 13.1- >18.O ROW T1EAN WIHD .220- .510- .760- 1.10- 1'.60- 2.10- 3.10-10 13 18 TUTR. SPEED

.750 1.50 2 3 5 7 DIRIITION .500 1 4 3 0 0 0 0 0 9 2.65 O O O 1 1 N

3 0 0 0 0 0 5 3.51 O O O O O 2 tHE 0 0 0 0 0 0 9 2.23 NE O O O O 3 6 7 2 0 0 0 0 0 9 2.72 ENE O O O O O 0 0 0 0 0 18 2.80 O O O 1 0 11 6 E

3 5 1 0 0 0 0 11 3.21 ESE O O O O 2 7 8 3 0 0 0 0 18 3.55 SE O O O O O 4 3 0 0 0 0 0 12 2.50 SSE O O O 2 3 O O 9 2 0 0 0 0 11 4.69 S O O O O 7 4 0 0 0 0 0 15 2.72 SSW O O O 1 3 7 4 0 0 0 0 0 15 2.56 SW 0 0 0 2 2 0 2 0 0 0 0 0 3 3.29 WSW . 0 0 0 1 0 0 5 9 1 0 0 0 0 15 3.67 W 0 0 0 0 4 2 0 0 0 0 9 3.81 Lt4J 0 0 0 0 2 1 6 0 0 0 0 0 13 2.98 NW 0 0 0 0 2 5 2 0 0 0 0 0 6 2.56 ff4J 0 0 0 0 3 1 69 9 0 0 0 0 178 0 0 0 8 21 71 TCfrAL firlBER OF CALJ1S 0 NLJ1BER OF INVALID HOURS 8 (TOTAL tu1BER OF POSSIBLE OBSERVATIOtB LESS tu1BER OF URID HOURS)

ItJ1BER OF VALID HOURS 2176 (IUTAL tu1BER OF POSSIBLE OBSERVATIONS WITH UALID SPEED.. DIRECTION. AND STABill'IN)

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M LTIMORE GAS AND ELECTRIC COMPAt# REVISION O 3 CALUERT CLIFFS NLCLEAR SITE n WIND REDUCED FROt1 125 FGIT LEVEL. TO 33 FCOT LEVEL

  • STABILITY CLASS B (30-200 FOOT)

WINDS AT 33 FOOT LEVEL WIND FREaJETCY DISTRIEUTION FREDUENCY. IN PEFCENT OF 'IDTAL 4/01/83 TO 6/30/83 WIhu SPEED (M/S)

WIND .220- .510- .760- 1.10- 1.60- 2.10- 3.10- 5.10- 7.10- 10.1- 13.1- >18.O ROW MEAN DIREETION .500 . "TSO 1 1.50 2 3 5 7 10 13 18 'lDTA SPEED N .00 .00 .00 .05 .05 .18 .14 .00 .00 .00 .00 .00 .41 2.65 NNE .00 .00 .00 .00 .00 .09 .14 .00 .00 .00 .00 .00 .23 3.51 NE .00 .00 .00 .00 .14 .28 .00 .00 .00 .00 .00 .00 .41 2.23 ENE .00 .00 .00 .00 .00 .32 .09 .00 .00 .00 .00 .00 .41 2.72 E .00 .00 .00 .05 .00 .51 .28 .00 .00 .00 .00 .00 .83 2.80 ESE .00 .00 .00 .00 .09 .14 .23 .05 .00 .00 .00 .00 .51 3.21 SE .00 .00 .00 .00 .00 .32 .37 .14 .00 .00 .00 .00 .83 3.55 SSE .00 .00 .00 .09 .14 .18 .14 .00 .00 .00 .00 .00 .55 2.50 S .00 .00 .00 .00 .00 .00 .41 .09 .00 .00 .00 .00 .51 4.69 SSW .00 .00 .00 .05 .14 .32 .18 .00 .00 .00 .00 .00 .69 2.72 Su .00 .00 .00 .09 .09 .32 .18 .00 .00 .00 .00 .00 .69 2.56 tEW .00 .00 .00 .05 .00 .00 .09 .00 .00 .00 .00 .00 .14 3.29 W .00 .00 .00 .00 .00 .23 .41 .05 .00 .00 .00 .00 .69 3.67 LIM .00 .00 .00 .00 .09 .05 .18 .09 .00 .00 .00 .00 .41 3.81 FM .00 .00 .00 .00 .09 .23 .28 .00 .00 .00 .00 .00 .60 2.98 ttM .00 .00 .00 .00 .14 .09 .05 .00 .00 .00 .00 .00 .28 2.56 TOTAL .00 .00 .00 . "T7 .97 3.26 3.17 .41 .00 .00 .00 .00 8.18 iLi1BER OF Call 1S 0 ft.11BEP OF INVALID HOURS 8 ("IUTAL tLF1BER OF POSSIBLE OBSERVATIOtG LESS NUMBER OF UA !D HOURS) nut 1BER OF UALID HOURS 2176 (~IUTAL nut 1BER OF POSSIDLE OBSERVATIONS WITH UALID SPEED., DIRECTION. AND STABILITY)

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- - 1 BA tit 10RE GAS AND B_ECTRIC dot 1Pf:t# REVISION O O CALUEffT El.IFFS NUCLEAR SITE 01 WIND in FTn FROM 125 FOOT LEUB. TO 33 FCUT LEVEL w- STABILITY CLASS A (30-200 FOOT)

WINDS AT 33 FOOT LEVEL WIND FFm rFhN DISTRIRJTION FRECUBCY. IN PERCENT OF 7UTAL 4/01/83 "ID 6/30/93 WIND SPEED (t1/S)

WIND .220- .510- .760- 1.10~ 1.60- 2.10- 3.10- 5.14- 7.10- 10.1- 13.1- >18.0 ROW t1EGN DIREITION .500 .750 1 1.50 2 3 5 7 10 13 18 TUTR SPEED N .00 .00 .00 .05 .05 .18 .14 .00 .00 .00 .00 .00 41 2.83 tNE .00 .00 .00 .00 .00 .09 .23 .00 .00 .00 .00 .00 .32 3.49 tE .00 .00 .00 .05 .14 .18 .00 .00 .00 .00 .00 .00 .37 2.05 ENE~ .00 .00 .05 .05 .09 .23 .00 .00 .00 .00 .00 .00 .41 2.03 E .00 .00 .00 .00 .00 .69 .05 .00 .00 .00 .00 .00 .74 2.57

.00 .00 .00 .18 .23 .55 .00 .05 .00 .00 .00 .00 1.01 2.36 ESE SE .00 .00 .05 .23 .00 .46 .37 .05 .00 .00 .00 .00 1.15 2.73 SSE^ .00 .00 .05 .23 .14 .46 .09 .00 .00 .00 .00 .00 .97 2.12 S .00 .00 .05 .09 .05 .09 .55 .18 .00 .00 .00 .00 1.01 4.07 SSW .00 .00 .00 .05 .05 .28 .37 .00 .00 .00 .00 .00 .74 2.96 SJ .00 .00 .00 .09 . 77. .92 .09 .00 .00 .00 .00 .00 1.47 2.39 WSW . .00 .00 .00 .00 .05 .51 .18 .00 .00 .00 .00 .00 .74 2.79 W .00 .00 .00 .00 .00 .23 .32 .00 .00 .00 .00 .00 .95 3.42 IJ44 .00 .00 .00 .05 .00 .09 .41 .14 .00 .00 .00 .00 .69 4.23

.05 .37 .83 .18 .00 .00 .00 .00 1,42 3.80 f44 .00 .00 .00 .00 PMW .00 .00 .00 .00 .09 1.01 .60 .09 .00 .00 .00 .00 1.79 3.07 .

TUTR .00 .00 .18 1.06 1.29 6.34 4.23 .69 .00 .00 .00 .00 13.79 tU1BER OF CALF 15 0 tu1BER OF INVALID HOURS 8 (TOTAL PU1EER OF POSSIBLE OBSERVATIOr6 LESS FU1BER OF UALID HXJRS)

. tU1BER OF UALID HOURS 2176 CIUTAL FU1BER OF POSSIBLE OBSEMTIONS WITH VALID SPEED., DIRECTION, AND STABILITY)

BALTIt0RE GAS AND ELECTRIC cot 1 par # RDJISION O o CALUERT CLIFFS F4JCLFAR SITE cn WIND REDUCED FROr1 125 FOffr LEVEL TO 33 FOOT LBM1.

cn STABILITY CLASS ALL (39-200 FOOT)

WINDS AT 33 FOOT LEVEL WIND FRBUETO' DISTRIBUTION FREQJDCY IN TU1BER OF OCCURRB1CES 4/01/83 TO 6/30/83 WIND SPEED (tt/S)

WIND .220- .510- .760- 1.10- 1.60- 2.10- 3.10- 5.10- 7.10- 10.1- 13.1- >18.O RGJ MEAN DIPH' TION .500 .750 1 1.50 2 3 5 7 10 13 18 ETIH_ SPEED N O 1 3 18 13 20 9 0 0 0 0 0 64 2.09 ffiE O 1 8 22 16 16 18 0 0 0 0 0 81 2.19 NE O 1 5 15 21 19 6 0 0 0 0 0 67 1.99 ENE 1 1 6 12 17 24 5 0 0 0 0 0 66 2.02 E O 1 4 18 1.1 40 11 0 0 0 0 0 85 2.22 ESE O 4 3 14 22 32 22 4 0 0 0 0 101 2.50 SE O O 5 21 22 72 57 6 0 0 0 0 183 2.75 SSE O 1 5 33 55 109 26 0 0 0 0 0 229 2.26 5 1 1 10 27 41 129 61 9 0 0 0 0 279 2.65 554 0 4 21 52 49 95 24 0 0 0 0 0 245 2.06 SW 1 7 10 32 45 49 7 0 0 0 0 0 151 1.89 WSW 4 1 5 14 20 20 10 0 0 0 0 0 74 2.04 W 1 1 7 13 24 43 50 2 0 0 0 0 141 2.70 if4J 0 1 5 11 29 50 43 10 0 0 0 0 159 2.83 t44 2 1 2 14 21' 49 54 10 2 0 0 0 155 3.05 TMJ 0 2 3 7 12 33 30 6 3 0 0 0 96 3.07 .

TOTAL 10 28 102 323 418 J10 433 47 5 0 0 0 2176 tU1EER OF CRJ15 0 fu1BER OF ItOALID HOUPS 8 (TOTAL TU1BER OF POSSIELE OBSEPVATIONS LESS TU1HER OF UALID FOUH5)

FU1BER OF W4_ID HOURS 2176 (TDTAL tu1BER OF POSSIBLE OBSERVATIOrG WITH UALID SPEED. DIRECTION. AND STABILITY)

BR TIMORE GAS 4(D ELECTRIC cot 1PRW REVISION O O CALUERT CLIFFS NUCLEAR SITE cn WIND REDrm FROM 125 FDETT LEVEL TU 33 FOOT LEUB_

ui STABILITY CLASS ALL (30-2N) FCCT)

WINDS AT 33 FOOT LEVEL WIND FREI 2JENCY DISTRIBUTION FREC1JDEY. IN PERCENT OF 'IUTR_

4/01/83 TO 6/30/83 WIND SPEED (M/S)

WIND .220- .516- .760- 1.10- 1.60- 2.10- 3.10- S.10- 7.10- 10.1- 13.1- >18.0 ROW MEAN DIRE ~TIDI .500 .750 1 1.50 2 3 5 7 10 13 18 TUIM. SPEEI)

N .00 .05 .14 .83 .60 .92 .41 .00 .00 .00 .00 .00 2.94 2.09 ff4E .00 .05 .77 1.01 .74 .74 .83 .00 .00 .00 .00 .00 3.72 2.19 PE .00 .05 .23 .69 . 97. .87 .28 .00 .00 .00 ,, 00 .00 3.08 1.99 DE .05 .05 .28 .55 .78 1.10 .23 .00 .00 .00 .00 .00 3.03 2.02 E .00 .05 .18 .83 . 51, 1.84 .51 .00 .00 .00 .00 .00 3.91 2.22 ESE~ .00 .18 .14 .64 1.01; 1.47 1.01 .18 .00 .00 .00 .00 4.64 2.50 SE .00 .00 .23 .97 1. 01' 3.31 2.62 .28 .00 .00 .00 .00 8.41 2. 75 95E .00 .05 .23 1.52 2.53 5.01 1.19 .00 .00 .00 .00 .00 10.52 2.26 S .05 .05 .46 1.24 1..EB 5.93 2.80 .41 .00 .00 .00 .00 12.82 2.65 SSW .00 .18 .97 2.39 2.25 4.37 1.10 .00 .00 .00 .00 .00 11.E 2.06 SW .05 .32 .46 1.47 2.07, 2.25 .32 .00 .00 .00 .00 .00 6.94 1.89 145W .18 .05 .23 .64 .92 .92 .46 .00 .00 .00 .00 .00 3.40 2.04 W .05 .05 .32 .60 1.10 1.98 2.30 .09 .00 .00 .00 .00 6.48 2.70 LtM .00 .05 .23 .51 1. 33 2.76 1.98 .46 .00 .00 .00 .00 7.31 2.83 FM .09 .05 .09 .64 .97 2.25 2.48 46 .09 .00 .00 .00 7.12 3.05 ttM - .00 .09 .14 .32 .55 1.52 1.38 .28 .14 .00 .00 .00 4.41 3.07 -

TOTAL .46 1.29 4.69 14.84 19.21: 37.22 19.90 2.16 .23 .00 .00 .00 100.00 NLf1BER OF CR.115 0 PU1BER OF INVALID HELIRS 8 (TUTAL NUMEER OF POSSIBLE OBSEPVATIONS LESS TIJMIER OF UR_ID HOURS)

, NtJ1EER OF VALID HOURS 2176 CIUTAL istJ1EER OF PCESIBLE OBSERVATIONS WITH UR_ID SPEED. DIRECTIDI. R4D STTWILIT,Y)

WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS PERIODS OF RELEASE O!M 1

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WINDS AT 33 FOOT LEVEL WIND FREILBCY DISTRIBLITION FRE00ENCY IN PERCENT OF TUTR.

4/01/83 TO 6/30/83 WIND SPEED (N/S)

WIND .220- .510- .760- 1.10- 1.60- 2.10- 3.10- 5.10- 7.10- 10.1- 13.1- >18.0 ROW NEAN DIRECT: ION .500 .750 1 1.50 2 3 5 7 10 13 18 TUITL SPEED N .00 .00 .00 .00 .00 .70 .70 .00 .00 .00 .00 .00 1.40 3.16 ffE .00 .00 .00 .00 .00 .00 .35 .00 .00 .00 .00 .00 .35 3.35 I

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  • PERILV3 OF RELEASE OtLY STABIL'ITY CLASS D (30-200 FOOT)

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. x FREI 2JEICYi 1N nut 1IER OF OCCURREtCFS 4/01/83 TO 'S/30/83 WIND SPEED (M/S)

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NLMBER OF t ALID HOURS 296 ("IUTAL tU1BER OF POSSIELE OBSERVATIOtG WITH UA_ID SPEED , DIRECTION. AND STABILI'IN)

y to BR_T!t0RE GAS AND ELECTRIC cot 1PANY REVISION O CFLUERT CLIFFS NUCLEAR SITE

a. WIND REDUCED FROt1 125 FOOT LEUEL TO 33 FEUT LEVEL w PERIODS OF RELEASE OtLY STABILITY CLASS D (30-200 FOOT)

WINDS AT 33 FUTT LEVEL WIND FRFT3!FNCY DISTRIBUTION FREDUENCY IN PERCEt4T OF R3TAL 4/01/83 TO 6/30/83 1

WIND SPEED (t1/S)

WIND .220- .510- .760- 1.10- 1.60- 2.10- 3.10- 5.10- 7.10- 10.1- 13.1- >18.O ROW P1EAN DIRELTION .500 .750 1 1.50 2 3 5 7 10 13 18 TUTR SPEED H .00 .00 .00 .70 .70 .35 .00 .00 .00 .00 .00 .00 1.75 1.89 t#4E .00 .00 .00 .00 .35 .35 .00 .00 .00 .00 .00 .00 .70 1.94 NE .00 .00 .35 .00 1:.40 .35 .00 .00 .00 .00 .00 .00 2.10 1.%

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BALTIMORE GAS AND ELECTRI CHARLES CENTER P.O. BOX 1475. BALTIMORE, MARYLAND 21203 CHRIS H. PCINDEXTER veCE PRESIDENT ENGibEERING AND CONSTRUCTION August 30, 1983 Dr. Thomas E. Murley

( Regional Administrator U.S. Nuclear Regulatory Commission Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Dr. Murley:

SUBJECT:

Calvert Cliffs Nuclear Powar Plant Docket Nos. 50-317 and 50-318 Semi-Annual EEfluent Release Report The purpose of this letter is to forward to you the attached Semi-Annual Effluent Release Report and meteorological summary for the first half of 1983 in compliance with Paragraph S.6.1.b of the Unit 1 and Unit 2 Environmental Technical Specifications.

Very truly yours, I

yA Attachment cc: Director, Office of Management Information and Program Control 9

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