ML20050B067

1981 Annual Environ Operating Rept.

ML20050B067
Person / Time
Site:	Oyster Creek
Issue date:	03/31/1982
From:	GENERAL PUBLIC UTILITIES CORP.
To:
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ML20050B065	List: ML20050B064 ML20050B067
References
NUDOCS 8204020552
Download: ML20050B067 (150)

Text

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Nuciear Generating Station 1981 Annual Environmental Operating Report i

for the

.h Oyster Creek Environmental Technical Specifications l Appendix B to License No. DPR-16 1

Docket No. 50-219 March 1982 il lI urn M8B:

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l TABLE OF CONTENTS I SECTION TITLE PAGE NUMBER LIST OF TABLES iii LIST OF FIGURES iv l

1.0 INTRODUCTION

1 I 2.0 2.1 LIMITING CONDITIONS FOR OPERATION Maximum AT Between the Circulating Water Intake and Discharge 2

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l 2.2 Maximum AT Between the Circulating Water Intake and Discharge During Pump or Intake Component 2

I Failure 2.3 Maximum Discharge Temperature 3 2.4 Use of Dilution Pumps 16 2.5 Ratt, of Change of Discharge Canal 16 Temperatures 3.0 ENVIRONMENTAL MONITORING 17 3.1 Abiotic-Aquatic 17 I 3.2 Biotic-Aquatic 17 g 4.0 SPECIAL MONITORING AND STUDY ACTIVITIES 18 g 4.1 Woodborer Monitoring Program 18 4.2 Thermal Plume Measurement Program 18 4.2.1 Introduction 18 l 4.2.2 Materials & Methods 19

" 4.2.3 Thermal Plume Results 21 4.2.3.1 January 15, 1981 21 4.2.3.2 February 5,1981 22 4.2.3.3 March 12, 1981 22

4. 2. 3.4 April 6, 1981 22 4.2.3.5 July 23, 1981 23 4.2. 3.6 October 30, 1981 23 3 4.2.3.7 November 24, 1981 24 4.2.4 Discussion 24 4 . 2. 4 .1 Shape Codes 24 1 4.2.4.2 4.2.4.3 Recirculation of Heated Water Surface and Cross Sectional Extent 25 25 4.2.5 Summary 26 4.2.6 References 27 4.2.7 Attachments 28 4.3 Hydrographic Study 118 4.3.1 Introduction 118

I 4.3.2 Methods A. Station Locations 118 118 B. Field Instruments and Techniques 118 C. Data Reduction 119 4.3.3 Data Analysis and Discussion 119 4.4 Chemical Inventory 168 4.5 bnusual or Important Environmental Events 174 i

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j, SECTION TITLE PAG 1 NDIBER 5.0 ADDITIONAL INFORMATION 175 3 5.1 Summary of OCETS Non-compliances 175 l 5.2 Summary of Changes xade to Federal and 178 i5 l

State Permits and Certificates which Pertain to the Requirements of the

OCETS

>5 5.3 Summary of Changes in Station Design 178 l Which Could Involve Environmental Impact

, I 5.4 Su= mary of Changes to the OCETS 178 I

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LIST OF TABLES TABLE TITLE PAGE I 2-1 Summary of Discharge Temperature Data 4

4-1 Dates of Thermal Plume Measurements 29 and OCNGS outages in 1981 4-2 Meteorological Conditions, Tide and 30 Crew During Thermal Plume Measurements I 4-3 OCNGS Operating Conditions During Thermal Plume Measuremerts in 1981 31 4-4 Shape Codes for the 1981 Tharmal Plumes 32 Measured in Vicinity of OCNGS 1

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Surface Extent of 1981 Thermal Plumes in 33 Barnegat Bay 4-6 Chemical Usage 172 4-7 Chemical Discharge Frequency 173 I

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l LIST OF FIGURES FIGURE TITLE PAGE

.I 4-la Map of OCNGS and Adjacent Waterways 34 4-2a Oyster Creek Plume Shapes 35 I 4-1 4-2 4-3 Oyster Creek Cross Section Location Map Oyster Creek Cross Section Location Map Oyster Creek Cross Section Location Map 121 122 123 44 Oyster Creek Station 1+00 124 I 45 4-6 Oyster Creek Section 3+00 Oyster Creek Section 6400 125 126 127 47 Oyster Creek Section 1+00 48 Oyster Creek Section 12+00 128

'l 5 4-9 Oyster Creek Section 15+00 129 4-10 Oyster Creek Section 18+00 130 4-11 Oyster Creek Section 21% 0 131 4 12 Oyster Creek Section 23+00 132 1 4-13 Oyster Creek Section 24+00 133 4 14 Oyster Creek Section 25400 134 I 4-15 4 16 4 17 Oyster Creek Section 26+00 Oyster Creek Section 28+00 Oyster Creek Section 31400 135 136 127 4 18 Oyster Creek Section 34+00 138 4 19 Oyster Creek Section 37+00 139 6 4 20 Oyster Creek Section 40+00 140 4 21 Oyster Creek Section 43400 141 4 22 Oyster Creek Section 46+00 142

.I 4 23 Oyster Creek Section 49400 143 4 24 Oyster Creek Section 52+00 144 4 25 Oyster Creek Section 53+00 145 4 26 Oyster Creek Section 55+00 146 4 27 Oyster Creek Sectio. 58400 147 4 28 Oyster Creek Section 0l+00 148 4 29 Oyster Creek Section 63+00 149

..I 4 30 Oyster Creek Section 64400 150 151 4-31 Oyster Creek Section 67+00 4 32 Oyster Creek Section 69+00 152 Oyster Creek Section 70+00 153 1 4-33 4-34 Oyster Creek Section 73+00 154 4-35 Oyster Creek Section 76+00 155

'l 4 36 Oyster Creek Section 78+00 156

=E 4-37 Oyster Creek Section 80+00 157 4 38 Oyster Creek Section 81+65.82 158 4-39 Oyster Creek Section 83+50 159 4 40 Oyster Creek Section 84+50 160 Oyster Creek Section 85+50 161 4 41 4 42 Oyster Creek Section 88400 162 4-43 Oyster Creek Section 91400 163 3 4 44 4-45 Oyster Creek Section 94+00 December 1979 Lagoon Soundings 164 165 4-46 January 1982 Lagoon Soundings 166 4-47 Comparison of 1979 and 1982 Lagoon Soundings 167 I .

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1.0 Introduction This document is +he Oyster Creek Nuclear Generating Station (OCNGS)

Annual Environmental Operating Report (AEOR) for 1981. It is submi++ed

{ in accordance with Section 5.6.1 of the Oyster Creek Environmental Technical Specifications (OCETS).

( OCNGS 's a single cycle, forced circulation, boliing light water reac+or of 620 MWe maximum (summer) dependable net capabiiity, which for the period covered by this report was owned and operated by Jersey Central Power & Light Company. Ef fective January 1,1982, the OCNGS is operated

[ by CTU Nuclear Corporation. The OCNGS is located in Lacey Township, The plant is subject to a Provisional Ocean County, Ne w Jersey.

Operating License No. DPR-16 pursuant to Docket No. 50-219. The date of initial reactor criticality was May 3,1969 and the commercial generation of power began on December 23, 1969. ,

I This AEOR covers the period from January 1, 1981 through December 31, 1981. The report is organized such that Sections 2.0, 3.0 and 4.0 correspond to those same sections in OCETS. However, due to di f ferences in the required reporting dates of various studies conducted in accordance with OCETS, reports of those stud!es have been or w1Il be submitted under separate cover and will not be duplicated in this report.

In each of these Instances, a confirmation of the filing of the required reports is provided in the appropriate sections of the AEOR. All data which is otherwise required to be presented in the AEOR are included in this report.

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L 2.0 Limi+1ng Conditions for Operation This section of the AEOR, reports on the data gathered from the f monitoring of each limiting condition for operation (LCO).

2.1 Maximum AT Between the Circulating Water Intake and Discharge L LCO 2.1.1 requircs that the maximum dif ference in temperature ( A T) between the circulating water intake and discharge not exceed 23*F  ;

during normal operation which, for the purposes of this LCO, means )

f + hat a!! four circulating water intake pumps are operating L (operation with less than four circulating water pumps is covered in Section 2.2). If this temperature is exceeded, corrective action must be taken unless an " emergency need for power" exists as defined by OCETS.

Only one time during the year was this LCO not complied with. On December 7, 1981 the 23*F AT was exceeded for a pcriod of approximately I hour. This event was reported in Nonroutine Environmental Operating Report No. 50-219/81-7-1. More information concerning this occurrence can be found in Section 5.1 of this report.

The AT exceeded 23*F on the following days during 1981: January 19, 20, 29, 30, 31, February 1, 2, 3, 4, 9, 10, 11, 12, 13, 14, 15,  ;

16; March 5, 6, 7; April 2, 3,16,17,18; June 8. Fbwever on all l but two days there were less than four circulating pumps in operation therefore, LCO 2.1.2 was in ef fect. The two exceptions were January 29 and 30. During this period screen 1-1 was tagged out of service denoting intake component f ail ure, therefore LCO 2.1.2.2 was in ef fect. Subsequent investigation into the reason for p the high AT showed instrument error; the discharge signal was found L to be unstable. A calibration check was then perforrt. d and the signal was found to be out of specification. The transmitter was replaced and the new system was calibrated. The measured AT was then determined to be 19.4*F. The high a T measured from January 26 to January 30, 1981 was determined to be the result of instrument error and cannot be assumed to be the actual temperature dif ference.

For this LCO as well as the ren.31ning ones in Section .2.0, the data recovery i ate satisfied the requirements of the OCETS.

2.2 Maximum A T Between the Circulating Water Intake and Discharge During Pump or intake Component Failure _

LCO 2.1.2 requires that the OCNGS operate within specified limits for AT when less than a four circulating water intake pemps are operating. Specifica on 2.1.2.1 requires that the AT rat exceed 23*F fer more than 48 consecutive hours due to priventive mainte ance or inspection of the pumps. Speci f iestion 2.1.2.2 requirt.s that the AT not exceed 23*F for more than 14 consecutive days Jue to pump failure, corrective maintenance or intake component failure. Speci fication 2.1.2.3 requi res that at no time L wiII the AT exceed 33*F. Fi nal!y, speci fIcation 2.1.2.4 directs

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+ha+ corrective action be taken if either of the first +wo spectrications are exceeded, unless an emergency need for power exists.

l At no +1me during the reporting period did the A T exceed 23*F due to preventive maintenance or inspec+ ions of the circulating wa+er pumps, nor was the A T limit exceeded for mc e than 14 consecutive I days for reasons of pump f ailure, corrective maintenance, or f ailure of intake components, nor did the AT ever exceed 33*F. Therefore the OCNGS complied with specifications 2.1.2.1, 2.1.2.2 and 2.1.2.3.

'2.3 Maximum Discharge Temperature r LC0 2.1.3 places limits on the station's discharge temperature.

( Specification 2.1.3.1 Iimits the discha ge temper ature to 106*F when all four circulating water pumps are operating. Specification 2.1.3.2 allows the discharge limitation to increase to 110*F for up E to 14 consecutive days if one or more circulating water pumps is L inoperative for any reasons of pump or intake component failure.

Specification 2.1.3.3 l imits the absol ute maximum discharge J temperature to 110*F. Specification 2.1.3.4 requires that corrective action be taken if any of these specifications is exceeded, unless an emergency need for power exists.

At no time during the reporting period did the discharge temperature

c. exceed 106*F. Therefore LCO 2.1.3.1, 2.1.3.2 and 2.1.3.3 were compiled with, a

Table 2.1 Summary of Discharge Temperature Data presents the P minimum, average, and maximum temperatures and maximum AT by day for each month of the 1981 reporting period.

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I Ic Table 2.1 l Summary of Discharge Temperature Data Oyster Creek Environmental Technical Specifications 1981 Annual Environmental Operating Report I Month: January Average Minimum Maximum Maximum Temperature Temperature aT Temperature F F F by F I

1 53.6 51.5 49.7 20.4 2 56.0 53.3 50.0 20.2 56.8 52.6 49.6 20.8 I 3 4

5 55.5 57.3 50.9 53.4 50.5 48.8 49.3 46.2 19.9 26.0 2C.5 6 52.2 7 54.2 51.7 49.9 19.8

,I- 8 52.0 50.5 48.4 19.7 9 53.5 50.8 49.0 21.2 10 53.3 51.3 49.5 20.5 52.4 49.4 46.4 20.3 1 11 12 51.7 48.9 46.5 18.7 13 51.3 48.5 46.6 18.6

14 50.7 49.1 47.5 17.0 15 53.8 50.4 48.0 20.8 16 55.3 53.1 51.0 22.0 55.2 53.5 51.1 21.6 I

17 18 55.7 54.0 51.7 23.0 19 59.5 54.0 50.9 26.0 1 20 60.2 57.3 51.5 26.6 1 21 54.3 52.5 50.0 19.6 1 22 54.4 52.5 50.9 44.3 19.5 18.3 23 53.9 52.4 52.8 49.0 43.1 16.7 I

24 25 59.1 54.7 51.3 20.8 26 65.9 61.8 54.4 22.5 27 63.2 61.0 59.0 22.5 28 61.9 60.1 58.3 22.6 l

E 29 64.2 61.2 59.6 24.5 2 30 60.9 58.7 57.2 23.7 2 31 61.1 56.9 55.6 24.9 1 1 Only three circulating pumps in ration 2 Temperature sensors out of calibration

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l Table 2.1 Summary of Discharge Temperature Data Oyster Creek Environmental Technical Specifications 1981 Annual Environmental Operating Report Month: February Maximum Average Minimum Maximum Temperature Temperature Temperature AT Day *F *F *F *F e 1 64.4 62.2 '58.2 27.0 1 2 65.4 62.7 58.9 24.7 1 l g 3 63.5 61.9 59.7 25.61 l g 4

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60.1 51.9 54.9 50.4 50.8 49.1 25.81 18.5 6 54.8 52.1 49.4 18.7 I 7 8

9 53.7 55.0 59.2 51.8 54.0 56.0 50.5 52.2 51.5 18.2 17.1 24.21 10 57.9 54.9 50.2 24.51 11 69.6 64.6 52.6 24.11 12 71.3 64.3 59.8 25.31 13 65.7 61.9 54.2 27.61 I 14 15 16 64.8 63.3 69.3 61.8 62.0 64.3 59.7 59.7 60.2 26.81 25.61 25.41 17 67.4 63.1 19.1 I

6015 18 67.1 65.3 63.7 19.0 19 67.2 64.9 63.2 15.6 20 68.3 66.0 62.2 15.9 I 21 22 23 65.4 62.2 62.7 52.7 61.1 60.5 60.8 60.6 59.7 15.0 15.7 15.7 l

l 24 67.4 64.4 59.5 17.5 I 25 26 27 65.9 66.4 68.9 62.4 61.5 66.3 58.0 58.5 64.9 18.4 22.11 22.8 28 67.7 62.8 61.1 20.01 1

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.I Table 2.1 Summary of Discharge Temperature Data Oyster Creek Environmental Technical Specifications 1981 Annual Environmental Operating Report I Month: March

- Maximum Average Minimum Maximum Temperature Temperature Temperature AT Day F *F F *F_

1 65.5 6:3.4 62.3 17.2 2 66.0 63.3 61.0 20.7 3 66.7 64.1 62,3 21.7

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67.2 68.1 64.1 63.8 60.4 60.4 22.8 26.6 1 6 70.4 62.0 57.4 30.8 1 63.1 60.7 59.3 23.11

_. h 7 54.9 22.0

' " 8 64.1 61.3 9 61.7 58.8 55.2 21.5 ig 10 58.8 57.3 55.8 16.8 11 59.8 58.5 57.5 17.5 3 58.3 50.7 17.7 1 12 61.3 13 50.8 44.0 40.5 7.8 ,2 1

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14 15 46.6 43.1 44.9 41.2 42.9 38.5 1.22 1.1 2 16 48.8 43.9 40.8 7.8 7 53.7 48.0 44.0 14.9

E 18 57.1 54.8 52.9 19.2 5 55.1 20.1 19 60.7 57.5

20 61.1 59.5 57.5 21.8 21 61.0 59.9 57.9 21.9

-I 22 61.6 60.3 58.3 21.8 23 63.6 61.9 60.7 21.6 24 63.5 61.7 59.4 21.3 lI 25 26 63.6 69.7 62.5 64.4 60.0 61.8 20.9 21.2 27 72.1 68.6 59,3 21.71 44.0 12.91 h

W 28 29 58.9 51.6 48.0 49.2 46.2 0.91 ,2 30 52.9 51.4 49.9 0.6 ,2 1

1 31 63.0 54.0 50.5 9.0 r

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r Table 2.1 Summary of Discharge Temperature Data Oyster Creek Environmental Technical Specifications 1981 Annual Environmental Operating Report Month: April Maximum Average Minimum Maximum Temperature Temperature Temperature AT Day *F *F *F *F 1 75.1 67.7 61.3 16.8 2 78.5 73.3 71.4 24.21 3 84.4 77.9 71.8 25.11 ,

4 86.1 82.0 79.1 21.2 '

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85.8 81.8 83.8 75.4 81.1 68.3 21.5 23.01 I

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72.1 75.5 76.4 68.3 71.1 74.2 65.3 66.9 71.5 15.3 15.5 15.1 I 10 11 12 79.1 79.0 78.7 74.1 77.5 75.8 68.5 75.8 73.3 19.21 19.11 19.01 13 74.0 72.7 70.7 20.11 14 76.1 73.3 71.1 20.21 1 15 81.4 74.2 68.8 28.51 l 16 86.7 81.7 77.4 28.92 I 17 18 19 85.5 84.5

'58.3 82.7 61.4 56.7 80.2 56.4 54.5 29.02 25.92 0.9 2 ,3 20 58.1 57.1 55.9 1.12, 3 I

l 21 22 23 56.0 55.4 55.9 54.0 53.6 54.1 51.6 51.0 52.8

1. 22, 3 1 . 32, 3 0.72,3 I

l 24 25 26 57.3 56.4 56.5 55.5 54.3 53.9 53.8 52.9 51.2 0.g,3 0.9 2 ,3

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27 58.8 55.8 52.8 2.F'3 28 60.0 57.9 55.3 0.9 2 ,3 l 29 63.3 60.2 57.4 0.9'3 l 30 63.0 61.0 59.8 0.6'3 i Only three circulating pumps in operation 1

2 Only two circulating pumps in operation 3 Station out of service I

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Table 2.1 Summary of Discharge Temperature Data Oyster Creek Environmental Technical Specifications 1981 Annual Environmental Operating Report Month: May Maximum Average Minimum Maximum Temperature Temperature Temperature AT Day *F *F F *F 1 62.7 60.3 57.6 1.01 1

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62.1 61.2 61.1 59.7 60.1 57.3 1.2 1.1 1 4 61.0 59.5 57.3 1.0 1

[ 5 60.6 59.2 58.4 0.8 1

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l 6 59.7 58.5 56.1 1.2 l 1,2 l 7

1,2 8

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1 ,2 12 --- ---

1,2 13 ----

1,2 14 ---

1 ,2 15 -

1,2 16 17 ---

1.2 18 ----

1.2 1,2 19 ---- ---

1,2 20 ---- --

1,2 21 ,

1,2 22 23 65.0 64.5 I 63.5 0 I

24 66.0 64.1 62.5 0 25 60.0 65.8 I 63.5 0 26 72.0 68.6 67.0 0 27 74.0 71.7 I 69.5 0 28 74.5 71.9 71.0 1.5 29 79.0 72.3 70.0 7.0 30 89.0 84.3 79.0 13.0' 31 90.0 88.3 86.0 15.0 1

Station out of service 2

HP Data processor replaced

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Table 2.1 Summary of Discharge Temperature Data Oyster Creek Environmental Technical Specification 1981 Annual Environmental Operating Report

'I Montb: June I Maximum Temperature Average Temperature Minimum Temperature

• F Maximum AT

• F Day *F *F 1 88.0 85.9 84.5 14.5 2 90.5 88.9 87.0 18.0 81.5 18.81 I 3 4

5 89.0 90.5 92.5 86.0 88.0 90.1 84.0 88.0 91.0 19.5 19.0 18.5 6 95.0 92.6 I

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9 97.0 100.0 100.0 92.5 95.6 93.7 92.1 89.0 92.0 18.51 24.01 19.01 10 93.5 90.5 90.0 18.0 21.5 5 11 97.0 100.0 93.7 95.7 90.0 92.0 21.5 12 13 101.0 97.1 95.0 21.0 I 14 15 16 103.5 97.0 102.0 98.3 94.1 97.9 95.0 92.5 95.5 21.5 21.5 21.5 17 101.5 98.8 97.0 21.5 98.4 96.0 21.0 I 18 102.5 101.0 99.4 98.0 20.0 19 20 102.3 99.9 97.0 20.0 I 21 22 23 102.0 103.0 99.0 99.5 100.3 96.0 97.5 98.5 95.0 19.5 18.5 18.51 24 100.0 95.7 93 0 18.0 102.0 98.8 96.0 18.0 I 25 98.0 82.3 76.5 16.0 26 1.5 1 ,2 27 78.0 76.6 74.5 76.5 74.5 1.51 ,2 28 78.5 1. 31 , 2 I 29 79.0 76.6 75.0 1.01 ,2 30 76.5 76.0 75.5 1 Only three circulating pumps operating 2 stat 1_ ..t ., .. ,

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Table 2.1 l Summary of Discharge Temperature Data j

Oyster Creek Environmental Technical Specifications 1981 Annual Environmental Operating Report  ;

Month: July Average Minimum Maximum Maximum Temperature Temperature AT Temperature

• F 'F *F g *F 1 82.5 78.4 74.3 7.5 2 92.5 87.4 83.0 14.8 98.0 94.8 90.3 19.0

,I 3 4 98.3 96.3 95.5 19.6 18.5 5 97.8 95.5 94.0 6 99.5 96.3 94.5 18.5 7 99.5 97.0 94.6 17.5 I 8 99.0 97.2 95.0 18.0 9 99.0 97.1 95.5 17.0 10 101.2 98.3 96.6 16.2 8 11 101.6 100.0 100.2 98.2 98.1 16.6 16.9 12 102.2 13 102.1 99.4 97.7 16.4 I 14 15 16 100.0 98.5 98.3 97.7 96.9 96.5 96.0 94.5 95.2 16.1 17.8 18.2 17.1 I 17 18 19 98.9 100.0 99.9 96.3 97.9 98.7 93.7 92.4 97.3 17.1 16.5 16.2 20 99.4 97.6 95.5 I - 21 22 23 99.3 98.9 97.7 97.1 97.4 96.2 95.8 95.7 94.9 16.8 17.4 17.7 20.4 I 24 25 26 98.9 98.9 100.5 96.6 96.8 98.4 94.9 93.0 96.9 17.5 17.4 27 98.9 97.6 95.3 16.6 98.8 96.6 95.4 17.0 5 28 29 98.6 95.9 94.3 16.8 92.5 94.0 32.5 17.7 30 31 98.9 96.5 94.6 17.6 I

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I Table 2.1 Summary of Discharge Temperature Data Oyster Creek Environmental Technical Specifications 1981 Annual Environmental Operating Report

= Month: August Maximum Average Minimum Maximum Temperature Temperature AT Temperature Day *F *F *F *F 1 98.6 97.0 95.3 17.3 2 97.4 96.2 94.5 16.4 3 96.8 95.2 94.4 16.5

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4 96.7 95.4 94.5 16.2 5 95.6 94.6 93.4 16.4 6 94.0 93.0 92.4 16.4 91.6 16.8 7 95.0 93.0

l 94.7 94.0 16.1 5 8 95.5 9 97.3 95.0 93.4 17.2 10 98.8 96.6 94.9 17.4

-E 11 99.5 97.6 95.5 17.0 lg 95.5 17.2 12 99.5 97.0 13 99.2 96.3 95.0 21.2 1 14 100.7 98.7 96.9 21.2 1

-I 15 92.2 83.0 79.5 82.7 11.8 1 4.9 2 16 85.0 84.3 17 82.5 81.5 81.1 2.6 2 81.6 80.3 79.1 2.8 2

'I 18 19 81.4 80.3 79.1 2.6 2 20 78.5 74.8 72.9 1.9 2 2

.lW 21 22 79.9 76.0 76.4 74.1 73.9 72.3 4.6 1.5 2 23 76.5 72.3 71.0 4.0 2 2

24 76.0 74.0 72.8 4.0

'I 25 26 74.3 74.9 72.6 72.6 72.3 72.0 71.9 70.6 2.5 2 2.7 2 1.4 2 74.3 1

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28 74.1 72.8 71.7 0.4 2

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! up 29 74.5 73.4 72.7 0.4 2 30 76.6 74.7 73.1 0.4 2 75.8 75.1 74.5 0.4 2 m 31

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Table 2.1 Summary of Discharge Temperature Data Oyster Creek Environmental Technical Specifications 1981 Annus1 Environmental 01. trating Report I Month: September I Maximum Temperature Average Temperature Minimum Temperature Maximum AT

• F Day *F *F 'F I 1 2

76.4 76.1 75.6 75.1 74.8 74.3 0.41 0.41 3 75.2 73.7 72.9 0.41 71.7 71.2 0.41 I 4 5

72.9 71.8 71.0 70.3 0.41 73.6 71.7 70.1 0.41

's 6 7 73 3 75 77 o 3' 5 8 74.7 73.1 71.7 0.31 9 73.9 73.0 71.9 0.41 70.2 0.41 I 10 11 12 73.1 73.8 74.4 71.7 72.4 72.6 70.8 71.2 0.41 0.41 0.41 75.1 73.4 71.9

'a 13 76.3 74.6 71.3 0.41 g 14 15 75.8 74.9 74.5 1.11 16 74.5 72.3 70.0 0.51 17 71.0 69.6 69.0 0.51 1.01 5 18 19 69.0 67.8 68.5 67.3 68.0 67.0 0.5 1 20 67.0 65.7 64.3 0.51 21 67.7 65.9 64.2 0.31

le to determine the location of a given point reiative to the two transponders by triangulation.

Equipment problems prevented the performance of plume surveys l in June, August and December 1981. During these months equipment failure prevented plume measurement early in the I month and when surveys were to b1 conducted late in the month OCNGS had gone offIine. Equipment probIems were exnerienced j with the Mi ni-Ranger which prevented its use after April m 1981--the remainder of the 1981 plumes use dead reckoning f or positioning.

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I 4.2.3 Thermal Plume Results 1 4.2.3.1 January 15, 1981 I Figures and tables which pertain to +his plume survey appears on pp. 36 +o 47 .

Time: 1130-1330 AT: 15.4*F I Wind Direction: NNE Wind Speed:

Tide:

9 mph Low Slack MWe:

Circ flow:

Dil. flow:

480 460,000 gpm 520,000 gpm The heat dissipation area was defined oy +he 4 degree F delta T isotherm. At the 1 foot level, the plume extended to the sou+h (plume type 5, see Figure 4-2a) along the western shore of the I bay until it abruptly terminated in ice approximately 1000 yards south of the mouth of Oyster Creek. Surface area extent of the heat dissipation area was 0.26 square miles. The plume I a was very similar at all levels. Recirculation of the plume did not occur.

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I I 4.2.3.2 February 5, 1981

- Figures and tables which per+ain to this plume survey appear on pp. 48 to 59 .

Time: 1115-1315 a T: 17.7'F Wind Direc+1on: NW MWe: 610 Wind Speed: 11.5 mph Circ. flow: 460,000 gpm Tide: Ebb Dil. flow: 520,000 gpm The heat dissipation area was defined by the 4 degree . delta T isotherm. At the 1 foot level, the plume extended out into the bay (pl ume ' type 1, see Figure 4-2a) and perpendicular to the shore approxima+ely 1550 yards. Surface area exten+ of the heat dissipation area was 0.36 square miles. The plume was very similar at all levels except the bottom level, where the plume was smaller, extending out into the bay only 1000 yards.

Recirculation of the plume did not occur.

4.2.3.3 March 12, 1981 Figures and tables which pertain to this plume survey appear on pp. 60 to ,71 .

Time 1130-1330 aT: 16.4*F Wind Direction: W MWe: 480 I Wind Speed:

Tide 11 mph Max. Flood Circ. flow:

011. flow:

460,000 gpm 520,000 gpm The heat dissipation area was defined by the 4 degree F delta T isotherm. At the 1 foot level, the plume extended out into the bay (plume type 3, see Figure 4-2a) and perpendicular to the shore approximately 1100 yards frem the mouth of Oyster Creek.

I Surface area extent of the heat dissipation area was 0.16 square miles. The plume was very similar at all levels except the t,ottom level, where the plume was roughly symmetrical about I the mouth of Oyster Creek extending out into the bay only 700 yards. Recirculation of the plume did not occur.

4.2.3.4 April 6, 1981 Figures and tables which pertain to this plume survey appear on pp. 72 to 82 .

Time: 1130-1315 T A: 19.5'F Wind Direction: WNW MWe: 605 Wind Speed: 16 mph Circ. flow 460,000 gpm I Tide: Ebb Dil. flow: 520,000 gpm The heat dissipation area was defined by the 4 degree F delta T isotherm. At the 1 foot level, the plume extended ou+ into the I bay (plume type 6, see Figure 4-2a) and perpendicular to the shore approximately 1100 yards. Surface area extent of the heat dissipation area was 0.27 square miles. The plume was I

l 5

I very similar a+ all levels. Recircula+ ion of +he plume did no+

occur.

4.2.3.5 July 23, 1981 l

Figures and tables which pertain +o this plume survey appear on pp. g3 to 94 .

Time: 1145-1415 A T: 17.5'F I Wind Direction: NE MWe: 41 5 Wind Speed: 6 mph Cire. flow: 460,000 gpm Tide: Flood Di l . f ic,w: 520,000 gpm The heat dissipation area was defined by the 1.5 degree F delta T isotherm. At the 1 foot level, the plume ex+ ended f rom just l

south of the mouth of Forked River to the point below Waretown (plume type 6, see Figure 4-2a). Maximum extension out into the bay was approximately 1500 yards. Surface area extent of the heat dissipation area was 1.53 square miles. The plume was very similar at all levels. Recirculation of +5e plume did not appear to occur.

l 4.2.3.6 October 30, 1981 l Figures and tables which pertain to this plume survey appear on pp. 95 to 106.

Times 1200-1400 AT: O'F Wind Direction: NE MW,: 0 l Wind Speed: 9 mph Cire. flow: 460,000 gpm 1 Tide: Ebb Dil. flow: 0 gpm This plume survey was unusual in that OCNGS was not operating at the time the survey was conducted. The last recorded MWe I output of OCNGS was 85 MWe at 0600 on October 30. tb dilution pumps were operating during the plume survey. Most of the l residual heat had been flushed out of Oyster Creek and was in the process of being dispersed in the bay, i

l The heat dissipation area was 4 degree F delta T isotherm. At the 1 foot level, the plume was roughly symmetrical about the mouth of Oyster Creek, with a separate area of elevated l 'emperature (3 degrees F) existing along the western shore of Barnegat Bay extending from approximately 1000 yards south of I

i l

the Oyster Creek mouth to a point near Barnegat Beach. Maximum extension out into the bay was limited to 1000 yards for the portion of the plume around the Oyster Creek mouth, and 500 I

l yards for the portion of the plume located to the south of the Oyster Creek mouth. Surface area extent of the heat dissipation area was 0.13 miles. tb attempt was made to assign l

this plume a plume shape code. Recirculation of the plume did I

l l

not occur.

1 I

[

4.2.3.7 Pbvember 24, 1981 Figures and tables which pertain to this plume survey appear on pp. 107 to 117 .

Time: 0915-1130 AT: 20.3*F F Wind Direction: Variable NW-NE MWe: 660 L Wind speed: 3 mph Circ. flow: 460,000 gpm Tide: Ebb DiI. flow: 520,000 gpm

[ The heat dissipation area was defined by the 4 degree F del +a T isotherm. At the 1 foot level, the heat dissipation area was roughly q mmetrical about the mouth of Oyster Creek, extending out into the bay approximately 700 yards, with a separate area of elevated temperature (4 degrees F) existing due east of the mouth of Forked River. The 2 degree F delta T isotherm ettended from about 1000 yards south of the Oyster Creek mouth 4 some point at least 1000 yards north of the Forked River mouth, so that this plume is classified as a type 2 plume.

Surface area extent of the heat dissipation area was 0.27 square miles. The plume became progressively smaller at the l lower levels, such + hat the plume measured at the bottom level I

l (7 ft.) was the leas + extensive. The separate area of elevated l temperature (4 degrees F) socated due east of the Forked River l month was observed only at the I ft. and 2.5 ft, levels.

Recirculation of the 2 degree F delta T isotherra was observed at all levels, and recirculation of the 4 degree F delta T l isotherm may have occurred at the 1 ft. and 2.5 ft. levels. '

l 4.2.4 Discussion l 4.2.4.1 Shape Codes The plume shape and extent are determined by the currently prevailing meteorological and tidal forces, and the station operating conditions. The station operating conditions determine tne total content and concentration of heat (above ambient) in the Oyster l Creek flow and the velocity of the diset.3rge waters as they Intersect the bay. The Oyster Creek flow is usually vertically well-mixed down to the total depth of the creek, which varies from 8-13 feet. After the Oyster Creek iIow intersects the bay and the initial momentum of the waters is expended, ambient conditions dominate the dispersion of the plume. The currently prevailing wind direction and speed is the primary influence on +he plume's dispersion, while tidal forces and the bathymetry of the bay itself also help j determine the shape, extent, and vertical l stratification characteristics of the plume.

The object of this program is to predict the shape of l the plume under representative ambient and station opera +ing conditions. Recurrent plume shapes have I'

I

I I

been established based cn previously measured plumes (JCP&L, 1980, 1981) and are portrayed in Figure 4-2a.

The eight plume shapes are distinguished by +he directior. and locat ion of the plume centerline. For I the thermal plumes measured in 1981, Table 4-4 classi f ies the surf ace plumes according to the shape shown in Figure 4-2a and provides information on the I wind and tide extant during the time of plume measurements. Meteorological, tidal, and station operating conditions during the thermal plume are summarized in Tables 4-2 and 4-3.

4.2.4.2 Recirculation of Heated Water I Recirculation of heated water was noted on one of the seven surveys, that of November 24 The recircula+1on appeared to be limited to 1-2 degrees F or less.

Based on this plume alone, it appears that in the I absence of any significant winds and under low flow tide conditions, recirculation of the plume can occur.

4.2.4.3 Surface and Cross Sectional Extent in Table 4-5, the approximate surf ace area extent la Barnegat Bay for each plume is presented. No plumes were found to violate the two-thirds surface heat dissipation guidelines in Barnegat Bay. Since Oyster Creek has a low natural flow (average 25 cfs) and tidal ef fects are minimal, Oyster Creek downstream of OCNGS was thermally affected for its entire length and cross-sectional area, except in the case of the October 30 plume conducted when OCNGS was off-lIne.

Estimating the percent of the cross-sectional area of Barnegat Bay which any given thermal plume occupies I was used performed as follows: from navigational chart 12324 (NOAA, 1980), the cross sectional extent of Barnegat Bay at Oyster Creek along an east-west transect is calculated as 12,900 square yards. For I screening purposes only, the cross-sectional area occupied by the thermal plume is estimated as the product of the east-west surface extent of the plume at the mouth of Oyster Creek and 5 ft., where the plume is assumed to be limited to the top 5 ft of the water column. Should this screening methodology identify a possibility that a given plume may have I exceeded the one-fourth cross-sectional area criteria, more specific and refined assump+ ions may have to be applied.

Applying the above screening methodology to each of the seven thermal p l umes surveyed in 1981, no plume violated the one-fourth cross-sectional extent criteria.

25- -

i l

l 1

fi I

4.2.5 Summary Plume shapes vary wIth wind and tide, wi+h nind having primary l

I inf luence. Excess temperature maps indicate +ha+ +he pl ume is limited to the western side of Barnegat Bay, and that no plume

- surveyed in 1981 violated the two-thirds surface extent or one-quar +er cross-sectional extent criteria. Recirculation of

~

the plume was noted on November 24, and was liml+ed to 1-2 I degrees F.

I i

l I

I II 1

i i

1 1

i l

i

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i -- _ _ _ - _ _ _ . . ___ _ ,__ _. _

I 4.2.6 References Jersey Centrat Power & Light (JCP&L). 1981. 1980 Annual Environmental Operating Report.

Jersey Central Power & Light (JCP&L). 1980. 1979 Annual Environmental Operating Report.

Jersey Central fbwer & Light Company (JCP&L). 1981 (a) Oyster I Creek Environmental Data Log. Document Control Center (DCC) file no. 20.0070.001.008.

Jersey Central Power & Light Company (JCP&L).

I 1981 (b)

Generator Data Log. DCC file no. 20.0070.0003.0004.

Jersey Central Power & Light Company ( JCP&L ) . 1978. Oyster Creek and Forked River Generating Stations 316 (a) and 316 (b)

Report. Volume 2: Appendix B-Thermal Analysis.

National Pollutant Discharge Elimination System (NPDES).

I Permit NJ 000 5550. JCP&L, Oyster Creek Nuclear Generating Station. 1975. January 31, 1975 to January 30, 1980. p. 8.

National Oceanographic and Atmospheric Administration (NOAA) 1980. Navigational chart 12324: New Jersey intracoastal Waterway. Sandy Fbok to Little Egg Harbor.

Ne w Jersey Department of Environmental Protection (NJDEP).

1979. Division of Water Resources NJAC 7:9-4 et seq. Surface Water Quality Standards. Docket No. DEP 012-74-11.

Pickard, Lowe & Gerick (PL&G) . 1981. Oyster Creek Nuclear Generating Station Meteorological Data.

Starosta, et al. 1981. " Hydrographic Study of Barnegat Bay, New Jersey 1979." GPU Nuclear Corporation, Parsippany, New Jersey.

United States Geological Survey (USGS). 1972 Forked River Quadrangle 7.5 minute (topographic).

I I

'I lI 1 4.2.7 Attachmen+s l This section con +ains the following data for each plume:

l

a. Table of plume data f Plot of +emperature vs. distance for Oyster Creek ll jW b.

c. Boat track in Barnegat Bay 1

d. Plot of +emperature in a longitudinal cross-section (East-West e.ccross Barnegat Bay).

jg e. Maps of delta T isotherms in Barnegat Bay at different

{g I depths.

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Table 4-1 i

Dates of Thermal Plume Measurements and OCNCS Outages in 1981 Dates of Plumes Outage Dates January 15 February 5 March 12 March 13-15 March 28-30 April 6 April 18 - May 29 June 26 - July 1 July 23 August 16 - October 19 October 30 October 31 - November 1 November 24 December 10-31 j E l t 1 1

I j

V L

Table 4-2 lteteorological Conditions, "Jide, and Crew During Thermal Plume Measurements in 1981 l-I Date and Time Speed (mph)

Wind Direction Tide Crew January 15 9 NNE Low Slack DWB, TS 1130-1330 February 5 11.5 NW Ebb DWB, TS j 1115-1315 l

l March 12 11 W Max. Flood DWB, TS I 1130-1330 l

B l April 6 16 WNW High Slack DWB, TS 1130-1315 July 23 6 NE Flood DWB, TS 1145-1415 l

October 30 9 NE Ebb DWB, TS 1200-1400 l

I November 24 0915-1130 3 Variable NW-NE Ebb DWB, TS i

h .

I Source: a) M. Abram;, Pickard, Lowe, & Garrick: Wind Speed and Direction Data from OCNGS b) NOAA, Tide Table for 1981 Sandy Hook, N. J. + 2h 45m EST or 3h 45m EDS c) DWB - David W. Ballengee TS - Thomas Starosta E -

h

Table 4-3 Station Operating Conditions During Thermal Plume Measurements in 1981 Average Temperatures *F MWe MBTU's No. Pumps per Date and Time Intake Ambient Discharge Rt. 9-0C at Output lir . Cire. Lil.

1/15/81 1130 to 1330 33.4 30.0 48.8 39.8 15.4 480 3540 4 2 2/5/81 1115 to 1315 31.7 29.5 49.4 39.6 17.7 610 4070 4 2 3/12/81 1130 to 1330 40.8 39.5 57.2 48.8 16.4 480 3770 4 2 4/6/81 1130 to 1315 56.3 54.5 75.8 68.4 19.5 605 4490 4 2 L 7/23/81 1145 to 1415 78.1 78.5 95.6 85.7 17.5 415 4030 4 2 7

10/30/81 1200 to 1400 53.0 52.C 53.0 53.0 0 0 0 4 0 11/24/81 0915 to 1130 42.4 41.0 62.7 49.8 20.3 660 4670 4 2 Source: a) Oyster Creek Daily Environmental Log, 1981.

b) Temperature measurements performed by on board thermal monitoring system

I I

Table 4-4 I Shape Code, Wind and Tide Conditions for the 1981 Thermal Plumes l Shape Code Date of Plume Wind Direction-Speed (mph) Tide 5 January 15 NNE 9 Low Slack I 1 February 5 NW 11.5 Ebb 3 March 12 W 11 Max. Flood 4 April 6 WNW 16 High Slack

, i 6 July 23 NE 6 Flood N/A October 30 NE 9 Ebb 2 November 24 Variable 3 Ebb

[ NW to NE I

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rd H

f n

- - w ----a w, ,-

,-,,w-,w ---w,wwww-- -mwe--o,-w-

1 I

Table 4-5 4 Surface Area Extent of the 1981 Thermal Plumes in Barnegat Bay Surface Extent (mi.,

Date of Plume Surface Area (sq. mi.) Length Width January 15 a 0.26 0.69 0.67 February 5 a 0.36 0.86 0.79 l

0.50  !

March 12 a 0.16 0.61 April 6 a 0.27 0.59 0.58 '

July 23 b 1.53 0.90 2.75 October 30 a 0.13 0.68 0.44 I November 24 a 0.27 0.58 0.66 t-l a> M _ re _ =. _ ba..e .a t,. 4 d..r.. F 1..te _ ,

b) Measurements are based on the 1.5 degree F isotherm I

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& W M MW W W m .m. m W M MM M M mM M THERMAL PLUME OF January 15. 1981 lbCEx POSITION Tire [ENPERATURE DEG F CC3RDINATES Han-SS 1 FT 2.5 FT 5 FT BOTTON i 984 1460 113215 38 1 38.3 0.0 38.6 2 1022 1488 113241 37.7 37.7 0.0 38.l 3 1078 1540 183337 37.5 37.5 0.0 37.0 4 1835 1597 113333 37.7 37.5 37.8 37.8 5 1192 1655 183359 37.3 37.5 37.9 38.1 6 1248 1711 113425 37.5 37.8 38.0 38.3 7 1299 1767 113451 37.7 37.7 30.2 38.5 8 8357 1821 113517 37.8 38.1 38.5 38.4 9 1414 1881 113543 37.6 37.9 38.5 38.1 1474 1939 153600 37.1 37.7 37.8 37.8 le 11 152) 1996 113635 37.5 37.5 37.5 38.1 12 1583 2852 183701 37.6 37.6 37.9 38.3 13 1637 2107 183727 37.5 37.6 38.1 38.1 14 1692 2158 113753 37.4 37.9 37.7 38.1 15 1744 2208 183819 37.3 37.3 38.0 38.1 16 1796 2257 113845 37.1 37.5 37.9 37.8 17 1850 2302 183989 37.0 37.8 37.9 38.1 18 1897 2349 113937 57.3 37.7 0.0 38.3 19 1945 2194 114003 37.6 37.5 0.0 37.9 20 1994 2442 114029 37.l 37.G 37.8 37.8 da 21 2045 2491 184055 37.3 s7.4 37.7 37.9 o' 22 2l03 2556 514l21 37.2 37.3 0.0 37.8 8 23 2157 2603 194147 37.2 37.7 37.7 38.0 24 2211 2659 114213 37.2 37.4 37.8 37.8 25 2265 2741 114239 36.9 37.6 37.' 38.8 26 2313 2763 114305 37.3 37.3 37.8 37.9 27 2367 2817 184331 37.2 37.3 0.0 37.9 28 2420 2068 184357 37.1 37.7 37.8 38.2 29 2473 2919 184423 37.0 37.4 37.7 38.0 30 2526 2070 184449 37.0 37.5 37.7 38.2 li 2581 ab22 184515 36.6 1/ . 5 37.7 37.9 32 2631 3073 114541 36.7 37.3 37.R 37.0 33 2GBG 3124 184607 36.9 I' ? 37.8 37.9 34 2737 3174 114633 36.7 37.3 37.6 37.6 35 2792 3224 184659 3G.6 37.1 37.7 37.7 36 2882 3308 18475l 36.4 36.9 37.6 37.9 37 2026 3351 1148l7 36.7 37.1 37.6 37.7 38 2972 3391 114843 36.5 37.8 37.7 37.7 30 3010 3433 184909 36.5 37.0 37.6 37.8 40 3066 3475 134935 36.4 3G.9 37.5 37.8 41 3167 3571 115027 36.I 36.7 37.5 37.8 42 322l 3621 115053 36.3 36.9 37.5 37.7 43 3276 3674 115119 3G.6 36 8 37.5 37.8 44 3337 3735 115145 36.7 37 0 37.2 37.6 45 3401 3798 115211 36.6 37.2 37.5 37.6 46 3464 3862 115237 37.I 3G 8 0.0 37.7 47 3529 3929 185303 3G 0 37.1 0.0 37.6 48 3599 4002 195329 36.2 37.1 0.0 37.8 49 3667 40GG 115355 36.4 37.2 0.0 37.8

W W W M M W W W M M M M M M WM M M M THERMAL PLUME CF January 15, 1981 lhCE) POSITICN TIME TEMPERATURE DEG F COCa0INATES HHr.r5S I FT 2 5 FT 5 FT 831T0n 50 3730 4132 115428 36.3 37.0 0.0 37.4 SI 3705 4195 115447 36.0 36.0 0.0 35.5 52 3856 4257 185583 35.0 33.8 0.0 31.0 53 3916 43B6 185530 30 6 30.3 0.0 30.4 54 3974 4375 315605 20.5 20.0 0.0 30.3 55 4034 4430 115631 29.4 20.7 0.0 30.2 56 4084 4485 185657 20.5 29.6 0.0 30./

57 435 4535 185723 20.3 29.6 0.0 30.0 58 4:03 4506 1I5749 29.4 20.4 0.0 30.0 59 4226 4622 185815 20.0 29.3 0.G 29.8 60 4100 4500 185841 29.2 29.6 29.4 30.0 61 4138 4528 115007 29.2 20.5 20 6 30.1 62 4001 4474 115933 29.6 23.4 20.0 30.0 63 4026 4418 115950 20.7 29.7 30.0 30.2 64 3G68 4362 120025 29.8 20.7 30.0 30.3 65 3915 4304 120051 20.8 20.7 0.0 30.2 66 3856 4248 120117 30.1 29.7 30.3 30.3 67 3801 4189 120143 20.5 29.5 30.0 30.2 68 3747 4133 120209 30.6 30.1 0.0 30.8 i 60 3600 4078 120235 32.2 32.6 0.0 31.2 u '1 3633 402I 120301 33.4 34.2 0.0 32.5 y . 3534 3910 120353 32.5 31.4 0.0 31.6 72 3502 3880 120410 32.1 31.1 0.0 31.5 73 3475 3866 120445 33.3 33.7 0.0 33.0 74 3479 3866 120511 35.9 35.5 00 36.4 75 3513 5890 120537 37.0 36.8 00 37.7 76 3588 3968 120620 36.3 36.0 0.0 37.0 77 3616 4030 120655 36.4 16.0 0.0 37.6 78 3644 4063 120721 0.0 37.2 0.0 37.2 70 3664 d002 I20747 0.0 36.5 0.0 37.0 80 3bwa 4147 120813 U.0 37.4 0.0 37.2 PB 370G 4140 :20839 0.0 37.3 37.2 0.0 82 374! 4176 120005 0.3 37.3 0.3 37.3 83 3777 4215 120031 0.0 37.2 37.3 37.7 84 3822 4259 120657 0.0 37.1 37.5 37.5 85 3864 4311 121 50 36.4 36.2 36.6 36.7 B6 3888 4335 121216 0.0 36.0 36.2 36.1 87 3015 4364 12:242 0.0 35.5 36.l 35.0 B8 3947 4303 121308 33.7 34.0 34.1 33.9 80 3978 4425 121334 32.5 32.4 32.7 32.5 00 4011 4460 121400 31.7 31.0 31.8 31.1 DI 4051 4490 121426 29.8 20.8 30.2 30.0 92 4089 4541 121452 20.4 29.6 29.6 30.0 93 4I55 4585 121518 29 3 20.6 20.8 29.8 94 4176 4627 121544 20.7 29 6 29.7 30.1 95 4218 4672 128610 29.5 29.7 30.4 30.2 96 4265 4717 121636 29.8 29 9 30.5 30.5 97 4293 4752 121702 29.0 32 2 32.3 30.4 98 4272 4732 121728 30.0 30.8 30.4 30.5

o D_.T V n U J\ n r-~1 n _ m _ r- t n f-~

THERMAL PLUME OF January 15, 1981 IhDEx POSITICN Tire TEnPERATLRE DEG F COORDINATES H4NMSS I FT 2.5 F T 5 FT BOT T0t1 99 4223 4686 121754 30.8 30.3 38.4 30.8 103 4174 4638 121820 29.8 30.1 38.4 30.5 101 4123 459? 12184G 29.6 29.6 38.0 38.1 102 4078 4545 121912 29.2 29.2 29.8 30.2 103 4033 4502 121938 29.2 29.3 29.7 30.3 le4 308 4457 122004 29.4 29.7 38.2 38.5 105 3792 4277 122148 35.5 35.6 36.8 36.8 les 3743 4222 122214 35.9 36.2 36.6 36.4 107 3694 4372 122240 36.4 36.7 36.0 37.8 108 3645 4138 122306 38.6 36.7 36.0 37.4 109 3603 4083 122332 36.4 36.7 36.9 37.1 110 3559. 4052 122358 36.3 36.7 36.9 37.1 Ill 3516 4025 122424 35.8 36.7 36.8 37.8 112 3488 3985 122458 36.4 36.0 36.9 37.1 113 3541 4033 122542 36.9 36.S 37.8 37.1 114 3577 4074 122608 36.I 36.9 56.6 35.9 185 3629 4119 122634 36.1 36.8 36.7 36.1 IIG 3677 4174 122847 36.2 35.8 36.6 34.2 117 3709 4211 122983 36.1 3G.1 36.4 35.3 118 3749 4252 122939 36.2 36.8 36.4 35.6 us 119 3786 4200 123005 35.8 35.8 36.2 35.5 OD

' 128 3826 4334 12303I 35.5 35.4 35.0 35.2 123 3868 4375 123057 35.3 35.8 35.7 33.7 122 3014 4416 123I23 34.8 34.7 35.3 31.8 123 3949 4454 123149 34.6 34.3 35.0 29.9 124 3087 4495 123215 33.9 33.7 34.2 38.2 125 4028 4536 123241 32.3 32.2 32.7 38.5 12G 4366 4575 123307 38.8 30.0 31.2 38.6 127 4102 4612 123333 30.2 30.5 38.5 33.6 128 4837 4647 123359 29.6 30.8 38.9 33.0 129 41GI 4602 1234/b 29.5 29.7 30.0 39.6 133 42?5 4735 12345I 29 2 29 6 29.6 30.7 I!! 4291 1798 123543 29.5 29.7 38.8 33.8 132 4260 4774 123609 29.6 29.6 38.1 29.7 133 4229 4735 123635 29.5 29.5 30.9 29.8 134 4177 4605 123701 29.7 20.4 38.1 38.8 135 4137 4656 123727 29.5 29.7 30.1 39.3 136 4095 4G20 123753 30.9 29.9 38.5 30.4 137 4052 4578 123919 39.4 30.8 30.0 38.3 138 4012 4537 123845 38.6 30.7 35.3 50.3 339 3968 4497 1239tl 32.4 32.2 33.9 38.3 140 3925 4453 123937 33.8 33.2 34.3 29.6 141 3884 4411 124033 34.1 33.7 34.5 28.0 142 3839 4367 124029 54.2 33.8 34.6 28.8 143 3707 4328 124055 34.4 34.0 34.7 28.9 144 3755 4283 124121 34.5 34.3 34.7 29.5 145 3716 4246 124147 34.5 34.4 34.7 29.3 346 3681 4200 124213 34.4 34.4 34.8 29.5 147 3644 4176 124239 54.3 34.5 34.6 29.5

m M M M M W W M M meM M M g W m M M THERMAL PLUME OF January 15. 1981 InGix POSITICN 1!rE TEMPERATLRE DEC F CCOADINATES H"nN5S I FT 2.5 FT 5 FT 801 Tan 149 3612 4341 124305 34.4 14.5 34.5 30.4 143 3581 4til 124333 34.3 34.3 34.6 31.2 150 3555 4081 124357 33.9 34.2 34.3 32.8 151 3527 4E60 124423 33.7 34.2 34.0 32.1 152 3476 4002 124515 33.7 33.7 34.2 32.5 153 4320 3949 124607 33.9 32.0 33.6 31.6 154 3300 3910 124633 31.8 30 8 31.4 31.4 155 3365 3876 124650 30.4 30.0 31.2 31.8 156 333Z 3845 124725 30.4 30.7 31.3 31.6 157 335; 3870 124751 29.8 31.0 30.6 38.6 158 3383 3004 124817 29.7 II.3 30.5 31.8 159 3424 3046 124843 29.4 31.1 30.4 31.8 ISO 3462 3086 124900 20.4 30.0 30.2 38.9 161 3509 4031 124035 31.7 31.9 32.3 32.0 162 3554 4001 125001 33.4 33.3 33.9 31 Q 163 3600 4130 125027 33.4 33.8 34.4' 31.0 164 3645 4176 125053 33.7 33.0 34.2 30.7 165 3692 4227 125189 33.9 33.8 34.6 20.5 166 3741 4274 125145 33.9 34.0 34.3 20.0 167 3789 4327 125211 34.2 34.1 34.8 29.5 d3 ISO 3838 4377 125237 34.0 34.0 34.6 29.2 u) 169 3889 4427 125303 33.0 33.8 34.5 20.7 1 170 3938 4478 125320 33.6 33.5 34.4 29.9 171 3991 4532 125355 33.5 33.4 34.1 30.6 172 4046 4500 125421 32.0 33.1 33.5 31.6 173 4104 4645 125447 30 0 31.2 31.8 30.7 174 4164 4707 125513 30.2 30.6 30.0 30.0 175 4228 4773 125530 30.0 30.3 30.6 30.7 176 4294 4838 125605 30.0 30.1 30.0 30.8 177 4367 4902 125631 29.7 30.0 30.7 38.9 178 4433 40Ti 125657 20.0 20.s 30.3 30.4 179 4496 5036 125724 20.6 29.8 30.2 30 3 180 4565 5090 125750 29.8 30.9 30.3 30 3 181 4625 5157 125816 29.5 29.8 30.4 30.3 182 4682 5206 125842 20.2 29.3 20.7 20.7 103 4790 5314 130026 20.6 29.6 30.4 30.2 184 4731 5256 130052 29.3 29.9 30.0 30.3 185 4683 5202 130118 20.5 20.0 30.8 30.5 186 4620 5l48 130144 29.3 20.7 30.2 30.5 187 4149 4665 130559 20.5 30 0 30.3 30.1 188 4101 4622 130625 29.6 30.3 30.9 30.7 180 4054 4568 130651 30.2 30.7 31.4 30.7 ISO 4005 4518 130717 32.0 31.7 32.7 3I.0 191 3060 4468 130743 33.6 33.4 34.3 30.6 l92 3905 4418 130800 33.0 33.6 34.0 30.2 105 3877 4301 130835 34.3 34 0 34.8 30 0 104 3860 4376 130901 34.6 34.4 35.3 30.4 105 3860 4364 130027 35 0 34.5 35 3 30.3 196 3868 4362 130953 35.3 35.2 36.0 30.5

M M M M M Q M M M M M M M M M W M 8 O THERMAL PLUME OF January 15, 1981 INDEx POSITION TIME TEnPERAILRE DEC F E00R0lhATES HH7FSS 1 FT 2.5 FT 5 FT BOTTOM 197 3877 4 37a 131019 35.4 35.4 38.0 30.9 l

108 3877 4368 131045 35.9 35.3 35.0 30.8 139 3874 4361 131888 34.7 35.0 35.6 30.6 200 3869 4353 131837 34.8 34.5 34.8 31.4

! 281 36C9 4348 131203 34.4 34.6 34.0 32.6 202 3872 4353 838229 34.4 34.6 35.8 31.0 203 3874 4354 131255 33.8 33.2 33.7 32.0 204 1876 4343 131321 32.8 33.3 33.8 32.8 205 3881 4341 131347 33.0 33.9 34.3 32.9 208 3885 4340 131413 33.9 34.3 35.0 34.1 207 3885 4337 131439 35.3 35.5 35.9 38.1 ,

200 3802 4338 131505 35.3 35.5 36.0 36.1 209 3897 4340 13153I 35.2 35.3 35.0 36.1 213 3923 4361 131557 35.6 36.4 36.8 36.7 211 3962 4403 131623 35.6 35.5 36.3 36.2 212 4004 4447 131640 34.8 34.7 35.4 34.4 213 4043 4488 138715 32.9 32.4 33.4 32.6 214 4000 4587 131807 29.6 20.0 30.5 38.4 215 4212 4655 131850 20.4 20.6 30.0 38.4 216 4170 4618 131025 20.0 20.S 29.9 38.0 1, 217 4083 4523 132023 29.4 20.8 30.8 38.4 c) 218 4340 4488 152052 31.4 31.5 32.2 31.3 8

219 40ll 4453 132318 32.5 32.5 33.6 32.5 223 3970 4405 132144 34.s 34.3 35.0 34.3 221 3935 4371 132219 34.7 35.0 35.5 35.4 222 3805 4325 132236 35.5 35.5 38.2 36.G 243 3855 4286 132302 36.3 37.1 37.2 37.3 224 3814 4255 132328 36.0 37.2 37.7 37.8 225 3771 4l00 132354 36.7 37.0 37.3 37.7 22B 3729 4149 132422 36.0 37.0 37.4 37.7 227 36bu 4130 134458 36.4 37.0 37.5 37.8

$8 WM M Q M M M M M M M M M Q WW W TEMPERATURE MEASUREMENTS OF January 15, 1981 AT 1, 2.5, AND 5 FT. LEVELS i

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M 8' M M M M M M M M 8 H M M WM M M MD THERMAL PLUNE OF February 5, 1981 INDEX PCSITION TIni TEnPERATURE DEG F COCRCjNATES FHnnSS I FT 2.5 FT 5 FT BOTTOn I 913 1393 182212 39.1 38.7 30.0 30.0 2 966 I442 192038 38.0 38.3 38.6 38.5 3 1022 1401 II2104 38.2 37.0 38.3 38.4 4 1987 1540 182130 37.6 37.8 38.3 38.7 5 1942 1603 182156 38.2 38.4 38.5 38.5 6 1202 1663 112222 38.0 30.4 38.7 38.7 7 1256 1720 112248 30.3 38.3 38.2 38.5 8 1514 1777 182384 37.0 38.4 38.4 38.3 9 1375 1836 112340 37.G 37.9 38.4 38.4 la 1420 1806 182406 37.5 37.8 38.0 38.4 Il 1485 1958 182432 37.7 38.0 38.2 38.3 12 1537 2005 182458 37.4 37.8 38.3 38.1 13 1501 2062 112524 37.0 37.5 37.8 38.1 14 1648 2116 192550 37.5 37.6 38.0 38.4 15 1701 2168 182616 37.G 37.0 38.3 38.4 16 1755 2217 112642 37.6 37.7 38.1 38.3 17 1810 2263 192708 37.9 37.8 38.5 38.7 18 1859 2312 112734 37.6 37.8 38.3 38.4 10 1916 2363 112800 37.3 37.6 30.2 38.7 20 1965 2400 .112826 37.5 37.7 38.4 38.7 1' 21 2018 2458 182852 37.7 37.8 00 22 38.4 38.7 2072 2516 182918 37.9 30.8 38.7 30.1 23 2920 2572 182944 38.4 38.G 30.0 30.2 24 2135 2627 183010 38.3 38.4 38.G 38.8

-25 2237 2600 113036 38.0 38.2 38.4 38.4 ri 26 2293 2736 113102 37.6 30.0 38.4 38.5 27 2343 2701 193128 37.3 37.8 38.3 38.3 28 2308 2044 183154 37.2 37.7 38.0 38.5 29 2455 2896 183220 37.8 37.5 37.7 37.0 l 10 2508 7440 113246 37.0 37.3 38.0 38.0 53 2567 3006 163322 36.3 36.9 37.9 38.0 l 32 262G 3064 113336 36.*. 37.0 37.8 38.3 is 2G80 5123 183402 37.1 3i.2 37.8 37.8 '

34 2748 3183' 183428 37.0 37.2 38.0 38.3 '

35 2907 3237 ' 113454 37.3 37.6 38.3 38.3 36 2864 3200 183520 37.5 37.5 l 37 2019 3341 38.5 38.7 113546 37.0 37.2 37.7 38.I 38 2074 3300 113612 36.6 36.8 37.5 37.9 30 3020 3440 183638 36.7 37.2 37.5 37.8 40 3088 3402 193704 36.6 37.0 37.7 38.0 41 3143 3546 193730 36.8 37.2 37.6 38.0 42 3200 ,3600 183756 s

36.8 37.1 37.3 38.3 43 3257 113822 36.3 37.2 37.2 30.0 44 3323 {3655 3710 113848 36.6 36.0 37.5 37.8

. 45 3301 ~ 3785 113914 36.6 37.1 37.6 37.9 46 3458 3353 183040 36.8 37.2 37.3 37.9 i

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47 3522 3010 184006 36.9 37.3 37.7 37.8

.48 3500 3088 184032 37.0 37.2 37 0 37 9 40 3659 4054 114058 36.7 37.5 37.7 37.7 i

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M M E M M M E W W W M M E E E M M M M THERMAL PLUME OF February 5, 1981 INCEx SOSI' ION TIFE TEPPERATURE DEG F COCR0!NalES HHrnSS l FT 2.5 FT 5 FT 801 T 0;1 x

50 3722 4121 II4t24 36 7 37.0 37.5 37.0

,, 51 3784 4183 184150 3G S 36.8 37.3 37.5 s i i 52 3845 4245 194216 36.1 36.2 36.0 37.2 - ,

$3 3G06 4305 114242 36.3 36.2 36.8 37.3 ,

54 1966 4366 114308 36.0 36.2 36.7 37.1 s 55 4025 4426 184334 36.0 26.5 37.0 36.8

' ' 4482 184400 56 4082 35.9 36.I 36.6 36.0

. 57 4139 4538 114426 55.4 35.7 36.0 35.8 58 41914593 114452 33.2 33.6 34.0 33.8

> 59 4?47 4647 1I4518 31.2 31.6 31.8 31.5 60 4302 4705 114544 29.2 29.7 30.1 30.2 61 4557 4758 114610 20.1 20.5 30.0 30.6 62 4415 '48I3 114636 20.1 20.3 30.0 30.6 63 4482 4874 194702 20.6 20.3 30.4 30.0 64 4537 4025 184731 20.7 30.0 30.0 31.2 65 '4585 4978 114757 30.2 30.5 30.0 31.6 66 4640 5025 184823 30.4 30.5 31.0 31.6 67 4622 5010 184840 30.3 30.2 31.0 31.3 68 4500 4076 114915 30.2 30.2 31.0 31.0 j 69 4559 4942 -I84041 30.2 30.2 30.8 30.8 gj 70 4530 4008 185007 30.2 30.3 30.8 30.6 71 4499 4876 195034 30.3 30.0 30.8 30.9 72 4464 4843 185100 30.2 30.3 31.0 30.9 '

73 4436 4813 l15126 20.8 30.I 30.8 31.0 74 4411 4784 185152 20.4 20.8 30.5 30.0 6 75 4382 4752 185218 29.2 20.8 30.2 30.6  !

76 4359 4722 115244 28.0 20.5 30.0 30.6 77 4333 4607 185310 28.6 29 3 29.7 31.0 -

70 4306 4667 115336 28.8 29.2 20.4 30.8  ?

79 42'? 4636 *402

. 28 3 10.0 20.3 30.2 80 4247 4604 185428 28.8 28.8 20.3 30.0 81 4222 4572 115454 28.8 28.6 29.4 29.8 82 4193 4541 115520 28.6 28.8 29.5 29.4 83 4164 4500 115546 28.4 28.8 29.5 29.5 84 4137 4478 185682 28.4 28.8 29.4 29.4 85 4180 4448 115638 28.5 29.1 20.2 29.5 86 4087 4421 115704 28.7 28.0 20.3 29.8 87 4068 4306 115730 28.0 28.9 20.5 29.9 88 4048 4372 185756 20.0 28.6 20.6 30.4 80 4026 4344 115822 29.0 29.I 30.0 30.9 90 4002 4313 115848 31.3 31.7 38.0 32.1 On 3969 4276 115914 33.2 33.I 33.6 33.0 92 3933 4240 185040 33.7 33.0 34.4 33.5 93 3907 4214 120206 33.7 34.3 34.1 33.4 94 3039 4249 120032 0.0 34.4 35.0 34.5 05 3077 4287 120058 0.0 34.6 34.7 35.0 96 3908 4313 120:24 0.0 33.7 34.4 32.9 Q7 4018 4339 120150 31.4 33.3 33.3 32.6 98 4059 4381 120216 31.0 31.1 31.7 31 6 l a

i n i

THERMAL PLUME OF Febroory 5, 1981 INDE) POS!11CN TINE 3EMPERATURE DEG F CC070! NATES HHn."SS I FT 2.5 FT 5 FT BOTT0n DE 4284 4402 123242 29.6 30.0 33.1 31.4 103 de6G 4403 120328 31.9 31.5 32.4 31.9 set 42d4 4404 120334 32.6 32.0 33.2 32.6 132 4381 4415 s20420 33.0 33.3 34.3 12.6

'"I 4138 4439 120426 34.1 34.2 34.6 33.6 104 4773 4460 120452 34.8 34.2 34.0 33.5 105 -- 4205 4580 120518 ?3.E 34.3 34.7 33.1 126 .4238 4525 120544 -33.7 34.1 33.7 33.8 IB7 4247 4529 120610 33.2 32.8 32.9 32.0 128 ' 4251 4520 120636 33.0 33.0 32.8 32.7 809

• 4240 4527 120702 28.8 31.8 32.5 32.3 110 4259 4530 120720 0.0 31.8 32.4 32.7 lll 4288 4353 820754 0.0 31.7 32.7 32.6 112 4 3'/ t 4584 120820 0.0 32.0 32.2 32.5 113 4361 4652 120846 8.0 31.0 31.8 31.6 114 4404 4662 I20012 29.5 29.6 30.0 38.5 IIS 4452 4705 120038 28.8 29.3 29.6 29.0 116 4530 4744 121004 28.8 29.1 29.5 20.6 II7 0 4781 121331 29.1 28.8 20.4 29.4 La 118 8 4802 121 02 28.6 28.0 20.3 20.4 j) 119 12a 4537 4583 4703 4778 12I333 123159 28.6 28.6 28.6 20.1 20.3 29.2 20.3 20.5 12l 0 4753 128225 20.3 20.7 30.2 30.4 122 4458 4723 421255 33.5 33.5 33.6 33.1 123 4410 4607 12132r ?3.0 34.3 34.2 34.3 s24 44b3- 4735 121347 33.7- 33.0 34.3 33.8 l/t .4504 4790 12t414 32.8 33.0 33.1 32.7

'l26- 4553 -4353 121440 32.' 32.7 32.6 32.8 127 4601 4005 121507 30.5 30.4 31.2 30.8 sec 4648 4056 621533 28.8 23.2 20.4 29.6 120 4642 4093 521601 28.6 26.6 20.3 20.1 13E '4612 4;;2 121620 28.7 26 a 29.3 20.3 131 0 4858 ' 128G5S 28.6 28.8 29.2 29.3 132 44Q5 4808 125/26 - 28.6 28.6 29.8 29.3 133 4407 4726 121880 28.6 28.8 20.1 20.2 134 4359 46?4 121345 26.7 28 5 20.2 29.I 135 4312 4640 128911 29.5 28.8 20.1 29.3 136 4263 4594 121937 28.4 28.7 20.0 20.4 137 4200 4547 122003 28.8 28.7 20.2 20.1 138 4165 4505 122029 28.7 28.9 20.2 20.5 139 4I10 4464 122055 28.4 28 E 29.1 20.4 140 4072 4410 122121 28.8 28.7 29.5 20.4 141 4024 4375 122147 28.7 28.9 29.3 29.4

.142 3078 4333 122213 28 7 29.0 29.2 29.6 143 1038 4289 122230 31.2 30.8 31.7 31.8

- 844 3886 4245 122305 32 0 33.8 33.4 33.5 145 3937 4201 122331 33.7 34 3 34.4 34.7 148 3702 4157 122357 34.5 34 6 35 0 35.2 147 3746 4114 122423 34.9 34.6 35.S 35.3

M M M M M M M 'M M M ^ 8 8 M ^ W M M M WM THERMAL PLUME OF Febroory 5, 1981 INC( L POSITION Tine TEMPERATURE DEC F COCRDINATES HsnnSS 1 FT 2.5 FT 5 FT BOTTON 148 36G8 4073 122449 34.8 35.8 35.5 35.3 149 3654 4031 122515 34.6 35 0 35.I 35.0 153 3609 3988 122541 34.5 34 5 35.2 34.7 151 3565 3945 122607 34.7 35.4 35.3 15 3 152 3519 3901 122633 27.0 35.9 36.7 36.4 153 3476 3859 122659 35.2 36.4 37.0 37.0 154 3477 3863 122725 35.6 3G.7 38.9 37.4 155 3538 3924 122751 36.4 36.8 37.3 37.5 15G 3587 3987 122817 38.9 37.2 37.9 37.8 157 3636 4035 122843 36.9 37.3 37.7 37.9 ISO 3682 4086 122909 36.3 37.6 37.6 38.0 159 3728 4137 122935 36.4 37.3 37.5 37.8 ISO 3768 4181 123001 36.7 37.2 37.5 37.9 IGI 3808 4225 123027 36.9 37.3 37.6 38 0 IG2 3849 4267 123053 36.9 37.6 37.7 38.1 163 3889 4315 123119 36.9 37.I 37.8 37.6 164 3934 4359 123145 36.8 36.9 37.3 37.6 165 3976 4407 123211 36.3 36.9 37.0 37.5

. IGG 4087 4452 123237 36.5 36.9 37.0 37.2 dn 167 4059 4495 -123333 36.2 36.8 36.9 37.3 ed 168 4101 4548 123329 36.6 36.6 37.3 37.1 I 169 4143 4589 123355 36.4 37.1 37.0 36.9 170 4189 4635 123421 36.6 36.4 36.9 35.0 171 4235 4681 123447 36.4 36.4 36.2 35.0 172 4284 4732 123513 36.4 36.7 36.3 33.8 173 4333 4783 123539 36.5 36.5 36.3 32.5 174 4385 4831 123605 36.6 36.6 36.4 31.9 175 4433 4884 123633 36.5 3G.6 35.6 31.8 176 4539 4992 123730 35.6 35.6 33.6 31.9 177 4500 5045 123758 35.0 34.6 33.7 38 /

178 4645 5096 123824 34.4 34.0 33.3 31 3 179 4E76 5147 123850 33.9 33.6 33.3 32

• 100 4726 5195 123916 33.2 33.3 33.2 32.5 181 4774 5247 123942 32.9 33.1 33.1 32.7 182 4821 5299 124000 32.9 33.1 33.0 32.8 183 4870 5352 124034 32.6 33 1 33.0 32.6 184 4918 5402 124100 32.6 33.0 32.9 32.5 185 4968 545G 124126 32.3 32.7 32.3 32.0 186 5021 5500 124l52 31.3 31.4 31.4 31.6 187 5069 5559 124218 30.6 30.8 31.1 31.1 188 Sil9 5609 124244 30.6 30.5 31.0 31.0 189 5167 5662 124310 30.0 30.5 38.4 31.3 100 5214 5711 124336 30.6 30.6 31.2 31.1 191 5263 5760 821402 30.3 30 6 30.0 30.9 192 5380 5812 124428 30.0 30.4 33.5 30.8 193 3499 3992 125645 33.3 30.6 33.5 31.2 194 3477 3979 125711 33.6 30.0 30.7 31.5 195 3464 3970 125737 33.7 30 9 31.0 31.6 196 3462 3975 125803 33.7 30.5 31.0 31.5

I THERMAL PLUME OF Febroory 5, 1981 INDEX POSITION T !?'.E TEf1PERATURE DEG F CCOR3! NATES t#4ff*S S

FT 2.5 FT 5 FT 80 lion l

197 34E4 3966 125820 31.0 30.0 31.2 32.1 198 3440 3962 125855 30.7 31.2 31.2 32 6 199 3452 3960 125021 31 0 31.8 31.3 32.8 220 3488 4005 125947 33.8 30.8 31.5 32.0 208 3520 4035 130013 30.8 31.0 31.4 32.0 202 3550 4061 13203Q 30.0 38.2 38.3 32.6 203 3583 4001 130105 31.2 31.0 31.6 31.6 204 3614 4121 130131 31.5 31.0 38.5 38.8 205 3651 4153 130857 31.2 31.5 31.3 30.9 206 3694 4105 130223 31.5 38.3 31.7 31.0 207 3732 4230 130240 31.4 31.2 31.7 31.3 208 3767 4261 130315 31.1 31.2 31.4 31.5 209 3801 4292 130341 31.7 33.7 31.7 32.0 210 3834 4323 130407 32.9 32.4 32.2 31.7 2tl 3866 4351 130433 34.3 33.5 32.3 31.5 282 3808 4379 130459 34.4 34.4 32.7 31.3 213 3033 4411 130525 35.0 34.8 32.6 31.0 214 397I 4448 130551 35.6 35.4 33.8 31.1 31.1 i 285 4013 4484 130617 36.0 35.4 32.6 4524 -130643 35.7 35.4 38.7 31.5 l 216 4053 LA 217 4092 4560 130700 35.8 35.0 31.2 31.I l j

4506 130735 35.6 35.2 31.7 31.2 7 218 210 4132 4171 4635 130901 35.7 35.4 32.6 31.6 220 4208 4669 130827 35.7 35.6 32.5 31.7 221 4247 4706 130853 35.5 35.5 32.1 31.8 i 222 4200 4743 130910 35.0 35.2 32.6 31.7 -

223 4323 4778 130945 35.3 35.2 34.5 31.6 224 4368 4818 131011 35.1 35.4 35.0 32.0 l 225 4416 4855 131037 34.6 34.7 35.1 31.7 226 444a 480I SE*104 33.C 34.4 34.5 31.9 l 227 4475 4915 131130 33.1 33.1 33.6 31.7 l l

l

m W E's eM M M M e e G W W W W W W M M TEMPERATURE MEASUREMENTS OF Februory 5. 1981 AT 1. 2.5, AND 5 FT. LEVELS 40'-

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RIVER MILE MILES-IlO' COURSE FROM MOUTH OF OYSTER CREEK DATE February 5, 1981 STATION PARAMETERS TIME 1115-1315 AT 17.7 *F WIND NW at 11.5 mph CIRC. FLOW 460,000 gpm DlL. FLOW 520,000 ppm

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THERMAL PLUME OF March 12, 1981

NOEX PCSITjoN TJnE TEMPERATURE DEC F CCCaD! NATES HenN55 I FT 25F1 5 F1 BOTTON I 1027 1493 182535 47.2 47.3 46.9 46.8 2 1981 1542 112621 46.I 46.4 46 3 46.2 3 1834 1593 112627 45.5 45.8 45.8 45.0 4 1198 1649 112653 45.8 45.4 45.5 45.7 5 1242 1701 112719 45.4 45.5 45.8 45.9 6 1290 1753 192745 45.7 45.8 46.0 46.1 7 1340 1804 192811 45.7 45.9 46.0 46.3 8 1393 1858 II2837 46.0 46.0 46.2 46.2 9 1445 1911 112903 45.8 45.9 46.1 46.2 10 1496 19GI 192929 45.7 45.0 46.0 46.5 11 1547 2018 112955 45.4 45.6 45.9 46.1 12 1603 2071 113021 45.6 45.8 46.1 46.3 13 1660 2127 193047 46.0 46.0 46.4 46.4 34 1714 2178 113113 45.6 45.9 46.3 46.4 15 1767 2230 193139 45.7 45.9 46.2 46.5 16 1822 2280 113205 45.9 46.8 46.4 46.7 17 1876 2327 183231 46.0 46.3 46.6 46.8 18 1922 2369 193257 46.0 46.3 4G.4 46.7 19 1967 2410 193323 46.1 46.2 46.4 46.5 20 2020 2459 .I13349 45.0 46.8 46.3 46.4 21 2075 2517 113415 48.1 46.3 46.6 46.7 j' 22 23 2126 2l00 2575 2621 193441 113507 45.9 45.7 46.1 45.8 46.2 46.I 46.3 46.2 24 2233 2677 113533 45.5 45.6 45.9 45.0 25 2291 2733 113559 45.2 45.3 45.5 45.7 2G 2345 2790 193625 45.4 45.5 45.8 45.9 27 2402 2046 193651 45.7 45.8 45.9 46.1 28 2459 2001 183787 45.9 45.9 46.I 46.2

, 29 2514 2057 113743 45.0 46.0 46.2 46.4 30 257I 3012 113809 46.8 45.8 46.0 4R ?

Il 2628 3067 183835 45.7 45.9 46.1 46.3 32 2665 3122 sl3908 45.9 46.1 46.3 46.6 33 2743 It?7 113927 46.0 46.1 46.3 46.5 34 2812 3246 114648 46.1 46.7 46.9 48.9 .

I 35 2859 3288 l'4714 46.7 46.8 46.8 46.8 36 2008 3332 114740 46.1 46.2 48.4 46.7 37 2956 3375 18480G 46.0 46.3 46.6 46.4 38 3002 3418 184832 46.1 46.2 46.2 46.5 39 3053 3465 II4850 46.0 46.1 46.4 46.4 40 3l06 3514 184924 46.2 46.5 46.3 46.2 41 3167 35GO II4950 46.3 46.2 46.8 48.6 42 3228 3629 185018 46.1 46.2 48.4 46.6 43 3287 3685 115042 46.3 46.6 46.5 46.6 44 3349 3745 115128 46.6 46.4 46.3 46.6 45 3411 3805 115134 46.7 46.4 46.G 46.8 46 3704 4100 115435 46.2 46.0 46.1 46.0 47 3765 4tGI 185501 45.7 46.3 46.1 45.9 40 3827 4222 115527 46.6 46.3 45.6 45.2 49 3887 4282 115553 46.2 46.1 46.0 45.5

THERMAL PLUME OF March 12, 1981

! ACED POSITION Tine TEMPERATURE DEC F coOaarNAiEs Hsness i FT 2.5 FT 5 FT BOTTON

.---.-....---..-...--------------------------~~-------------------------------------.- .......

50 3048 4342 185610 46.1 46.3 45.5 43 3 51 4008 4405 185645 46.0 45.4 43.0 48 4 52 4064 4460 185711 41.7 41.4 40.7 40.2 53 4118 4515 185737 30.6 39.8 39.0 39.7 54 4172 4570 185803 30.6 39.8 39.5 39.4 55 4227 4623 115820 30.6 30.4 30.1 39.G 56 4282 4676 185855 39.2 30.0 39.4 39.5 57 4337 4729 185921 30.0 30.3 30.3 30.3 58 4400 4707 185947 39.2 30.3 30.2 39.3 50 4453 4844 120014 39.1 38.8 30 2 30.4 60 4504 4895 120040 38.9 39.1 30.2 30.4

. 61 4556 4050 120106 30.2 39.3 39.3 39.2 62 4607 5003 120132 30.3 30.3 38.0 30.1 63 4650 5050 120158 39.4 39.I 38.8 30.2 64 3547 3960 120D02 46.1 46.3 46.5 46.3 65 3584 3999 120028 46.3 46.3 46.5 45.3 SG 3623 4052 120054 46.2 46.0 46.4 44.0 67 3662 4070 121020 45.9 46.0 45.9 44.5 G8 3701 4114 121046 45.9 45.6 45.5 45.4 I 69 3744 4557 12 112 45.3 45.2 45.6 44.5 fS 70 3786 4204 128138 44.8 45.2 45.3 43.7 I 71 3828 4240 121204 44.7 45.I 44.0 43.3 72 3869 4294 128230 44.4 44.5 44.5 43.3 73 3918 4339 12 256 43.6 44.1 44.4 42.8 74 3GSI 4384 128322 42.1 43.0 43.6 42.0 75 3Q94 4427 121348 38.6 42.0 42.8 42.0 76 4040 4477 128414 37.8 41.7 42.0 41.4

. 77 4094 4535 121440 37.6 40.0 40.6 40.5 '

78 4 44 4589 12150G 39.2 40.0 40.4 40.4 79 4397 JE*l 121532 30.2 te G 40.0 40.s 80 4247 4605 121558 39.7 39.9 40.0 40.2 88 4300 4748 121624 40.0 40.0 40.4 40 0 82 4353 4802 121650 40.3 40.5 40.0 40.9 83 4409 4858 121716 40.0 40.0 4A.0 41.1 I 84 4450 4900 128743 40.5 40.8 41.1 41.8 85 4510 4964 121881 40.7 40.6 40.8 41.0 86 4561 5015 12 037 40.4 40.4 40.9 40 9 87 4611 5064 121903 40.4 40.6 40.6 40.3 88 4652 5113 121029 40.4 40.2 40.5 40 8 89 4600 5161 121955 30.7 40.0 40.4 39.9 00 4737 5210 822021 40.1 40.0 40.0 30.0 91 4781 5258 122047 39.7 39.9 40.3 40 1 92 4828 5307 122113 30.0 40.0 40.0 40.8 01 4878 5359 12213G 39.3 39.2 30.7 40.0 94 4926 5409 122225 38.9 39.3 30.3 39.4 QS 4975 54G2 122231 38.0 38.7 39.2 39.5 l 96 5027 5513 122257 38.9 39.3 30.6 30.7 l 97 5078 55G7 122323 30.7 33.G 39.9 40.2  !

G8 5130 5620 122340 39.5 39 G 40.3 40.4

- - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ n

THERMAL PLUME OF March 12. 1981 Ir CE) P3 SIT!ON Tine TEMPERAlVRE DEG F CO393! HATES tennss 1 FT 2.5 FT 5 FT BOTTON 99 5: 78 5670 122415 39.6 39.7 39.9 30 9 100 3622 3887 123535 45.5 46.4 46.6 46.6 10; 3786 4557 123753 46.6 46.4 46.3 45.9 102 3845 4210 123839 46.3 4G.5 48.4 43.7 103 3896 4258 123845 46.5 46.3 44.7 44.3 104 3943 4301 123911 46.1 46.1 45.4 45.1 105 3092 4346 123037 46.1 45.8 45.2 45.4 106 4341 4301 124003 45.4 45.5 45.1 43.4 107 4087 4431 124020 42.3 41.9 41.0 40.6 108 4I51 4400 124120 39.6 30.5 39.4 40.0 109 4195 4530 124146 38.9 30.5 39.5 30.7 lia 4239 4570 124212 39.3 30.2 30.3 30.9 Ill 4287 4682 124238 38.9 39.4 39.3 39.6 112 4353 4652 124304 30.1 39.8 39.3 30.6 113 4373 4602 124330 30.8 30.5 39.2 30.4 114 4392 4710 124356 38.7 38.8 39.2 39.6 115 4350 4G75 124422 38.9 30.5 30.4 39.7 llG 4323 4641 124448 39.8 39.0 30.4 30.8 117 4288 460G 124514 30.2 39.5 30.4 30.7 1 188 4254 4572 -124540 30.3 39.1 30.5 30.0 fS 119 4221 4535 1246e6 39.I 39.4 30.6 30.6 1 120 4178 4494 124632 39.8 39.7 30.7 40 I 121 4138 4453 124658 30.0 40.3 40.6 40.5 122 4093 4407 124724 40.5 40.7 40.6 40.6 123 4050 4361 124750 40.3 40.5 40.8 41.5 124 4005 4355 124816 41.1 41.4 48.6 42.2 125 4030 4315 124842 40.0 41.7 41.0 42.6 126 3995 4388 124908 0.0 41.2 41.2 41.6 127 3000 4321 124934 40.9 41.5 41.2 41.2 128 30PC 4324 125030 43.1 42.9 41.0 40.8 529 3933 4325 125025 44.0 44.8 42.9 40.8 130 5981 4351 125052 44.G 44.9 44.9 42.5 131 3086 4340 125118 45.3 45.6 45.2 44.3 132 3987 4348 125144 46.0 45.8 45.4 45.5 133 3980 4357 125210 45.9 45.9 45.8 45.5 134 3985 4361 125236 46.3 45.9 46,0 45.5 135 398c 4360 125302 45.G 45.9 46.1 43.7 136 3975 4358 125328 45.0 45.8 45.9 45.6 137 3063 4353 125354 45.3 45.7 46.0 45.4 130 3954 4348 125420 45.5 45.4 45.5 45.2 139 3042 4345 125446 45.2 45.6 45.6 44.3 140 3031 4338 125512 45.0 44.7 44 8 44 2 141 3016 4328 125538 44.2 44.4 44.4 43.4 I42 3932 4321 125604 43.3 43.1 43.5 43.5 143 3888 4311 125630 43.3 43.5 43.5 42.0 144 3874 4301 125656 43.4 43.3 43.8 43.6 145 3860 4203 125722 45.1 45.1 45.0 e4.8 i

146 3846 4283 125748 0.0 45.1 45.2 +3.5 147 3829 4271 125014 0.0 43.0 43.0 42.5 I

. - - - _ . - - - - . _ _ _ _ _ - - - - - - - - - - - - . - - - - - - - - - - - - - - - - - - - - _ - . - - - - - -------------------_---------_.-_-----.----------1-J

THERMAL PLUME C- Morch 12, 1981 ItCE DOSfi10N  !)nE TE-PERATURE DEG F C 30;C ! N 2 T E S HHNnSS I FT 2 5 FT 5 F1 BOTTCn 4e 390G 4253 125840 0.0 42.4 42 4 41 6 t49 3785 42',6 125906 41.2 41.6 41.9 43.6 150 3764 42.1 125932 42.0 41.7 41.8 41.0 151 3747 4267 125058 41.9 42.2 42.0 48.8 152 3728 4194 150024 42.0 41.8 842.2 41.8 153 3707 4177 130050 42.2 41.8 41.0 41.0 154 3692 4165 130116 41.8 42.0 42.0 41.5 155 3672 4153 830142 48.9 41.8 42.1 48.7 156 3654 4136 130200 42.3 42.1 45.0 41.7 157 3635 4120 130234 42.8 42.2 41.9 41.4 158 3634 4103 130300 42.2 42.1 41.6 41.6 ISO 3599 4090 130326 42.2 42.5 41.4 48.2 ISO 3579 4077 130352 41.9 42.2 41.6 40.9 ISI 3562 4063 130418 42.2 41.9 4l.8 48.1 162 3547 4050 130444 42.2 42.4 41.6 40.8 163 3529 4039 1305I0 42.1 42.2 42.1 40.8 3

164 3556 4065 130536 42.4 42.1 41.4 40.7 165 3G06 4125 130602 42.8 42.3 41.9 40.4 IS6 3658 4171 130628 41.9 41.9 42.1 40.9 167 3712 4210 130654 42.0 42.2 41.8 41.0 I

168 3761 4267 130720 42.1 42.4 42.3 40.7 I# 169 3812 4316 130746 42.0 42.4 42.5 40.0 170 3862 43G9 130812 42.3 42.4 42.5 41.0 171 3913 4418 130838 42.3 42.6 42.4 40.5  !

172 3945 4447 130904 42.0 42.2 42.6 30.4 173 3955 4454 120030 42.3 42.8 42.3 30.6 174 3965 4459 130056 42.1 42.4 42.1 30.2 175 3974 4460 131022 41.0 41.0 42.3 39.1 176 3982 4467 131048 41.9 41.8 42.0 30.2 177 3993 4460 131114 41.9 41.8 41.8 30.3 178 4007 4478 131140 di G 41.0 41 9 40.3

1. 79 4020 4480 131236 41.5 41.6 42.1 41.4 180 4039 4503 131232 41.7 41.G 41.8 42.0 181 4051 4509 131258 41.4 41.8 41.8 41.8 182 4062 4583 131324 41.3 41.5 42.1 42.0 183 4073 4518 131350 41.6 41.7 41.9 42.2 184 4084 4526 13l416 42.6 42.9 42.5 42.1 185 4092 4520 131442 44.6 44.0 44.0 42.8 186 4097 4531 131508 44.1 44.I 43.9 42.5 187 4300 4535 131534 41.5 41.6 48.4 41.2 188 4:18 4538 131600 30.7 30.0 40.3 40.5 189 4127 4541 131626 30.5 30.0 40.4 40.2 100 4l34 4543 131652 30.7 40.0 40.2 40.4 191 4142 4549 131718 39.9 30.0 40.3 40.4 102 4850 4551 131744 30.2 30 0 40.1 40.1 193 4161 455G 131810 30.4 30.6 30.7 40.2 104 4171 4560 131836 39.2 30.5 40.1 39.7 105 4183 4568 131902 30.2 19.4 30.6 30.0 106 4100 4570 131028 40.1 40.6 48.0 30.5

_ ________________ _________________________ i

THERMAL PLUME OF Norch 12, 1981 lh0EX POSITION Tine TEMPERATURE DEG F C00ROlhATES rHMnSS I FT 2.5 FT 5 FT BOTTON I ....... ....... ...--...........- ------- ...........-----. .......... ........--.... .......

197 4213 4587 131G54 42.8 42.8 42.0 30.7 198 4226 4595 132220 44.3 45.0 45.1 30.6 199 4243 4607 132246 45.4 45.5 45.8 41.3 200 4255 4613 132112 45.1 45.6 45.4 41.8 201 4268 4620 132138 45.4 45.6 46.2 43.3 202 4286 4628 132234 46.0 45.9 45.8 44.3 203 4298 4638 132230 45.3 45.4 45.0 43.3 204 4314 4646 132256 44.0 44.5 44.1 42.7 205 4329 4657 132322 44.2 43.7 43.0 42.4 206 4350 4672 132348 40.7 41.2 40.7 40.3 207 4377 4689 132414 30.0 30.6 30.8 39.6 228 4393 4703 132440 39.1 39.3 39.7 39.9 229 4399 4701 132506 39.2 39.5 30.5 40.0 210 4362 4663 132532 39.2 39.6 30.8 30.9 211 4324 4630 132558 30.2 39.5 40.1 39.9 212 4288 4593 132624 30.5 39.4 30.8 40.0 b

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3 TEMPERATURE MEASUREMENTS OF March 12. 1981 AT 1, 2.5, AND 5 FT. LEVELS l

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l THERMAL PLUME OF April 6. 1981 INOEx POSITION T i nE TEMPERATURE CEC r CCCRDINATES HHrMSS 1 FT 2.5 FT 5 FT BOTTon 1 1478 112215 58.0 68.6 62.5 63 0 2 1533 192241 63.0 62.0 63 4 63.8 3 1592 182307 63.6 63.8 63.7 63.7 4 1651 112333 63.5 63.6 63.6 63.3 5 1712 112359 63.2 63.2 63.5 63.5 6 1775 182425 63.4 63.1 63.6 63.7 7 1836 182451 63.5 63.3 63.4 63.6 8 1898 112517 G3.3 63.6 G3.5 63.6 9 1962 112543 63.2 63.2 63.6 63.6 10 2023 182600 63.1 62.9 63.2 63.5 11 2079 112635 63.1 6?.2 63.2 63.1 12 2131 182701 62.6 62.8 63.2 63.4 13 2181 192727 62.8 62.7 62.9 63.1 14 2237 182753 62.6 62.7 G2.8 62.0 15 2200 182819 62.6 62.0 G3.5 63.5 da 16 2339 312845 63.0 G3.1 63.3 G3.5 N 17 2393 112918 G3.1 G3.l 63.1 63.5 8 18 2442 182037 62.0 63.2 G3.4 63.3 10 2406 1I1003 S2.8 63.0 63.6 63.4 20 2547 183029 62.0 63.0 G3.3 63.5 21 2604 183055 63.0 62.0 62.9 63.4 22 2661 113 21 62.9 63.0 63.1 63.2 23 2728 113147 62.3 62.8 63.2 63.1 24 2781 193213 62.3 62.5 62.0 63.8 25 2838 183230 G2.5 62.5 62.5 63.1 26 2897 113305 62.6 62.7 62.8 63.0 27 2957 183331 62.4 62.8 63.1 63.2 28 3017 113357 62.4 62.8 63.2 G3.5 20 3076 113423 62.6 62.7 G3.0 63.4 30 3134 113449 02.7 62.8 63.0 63.1 31 3101 183515 62.5 62.0 G3.1 63.2 32 3246 18354I 62.1 62.6 63.0 G3.3 33 32G8 113607 62.4 62.5 62.0 G3.2 34 3347 113633 62.4 62.6 62.8 62.0 35 3395 183650 62.2 62.7 63.0 63.0 36 3440 183725 62.0 G2.5 63.0 63.2 37 3489 183751 G2.5 62.4 62.G G3.1 38 3541 113817 62.4 62.6 62.8 62.0 30 3505 113843 62.2 62.7 63.1 63.0 40 365l 183029 62.0 62.5 62.0 63.2 41 3714 113035 62.4 62.5 G2.7 G3.3 42 3778 114001 62.6 62.6 62.8 63.0 43 3844 114027 S2.4 62.6 62.6 62.5 44 3Q06 114053 61.8 62.1 62.5 62.7 45 3971 l14110 61.9 62.0 S2.3 62.7 46 4341 184145 S2.4 62.5 62.7 62.9 47 4107 184211 62.2 62.6 S3.1 62.0 48 4171 184237 St.7 St.9 G2.2 62.4 4Q 4237 l14303 61.9 61.8 G1.0 62.5

W ~' M M M M M M M M M M M M M M M M THERNAL PLUME OF April 6, 198i It.0E X POSITION 1]nE TEMPERATURE DEG F COCRDIN ALES HHrir1SS 1 FT 2.5 FT 5 FT B01T0n 50 4308 814329 61.8 62.0 62.4 62 3 SI 4366 184355 62.1 62.3 62 7 62 2 52 4428 184421 62.0 62.0 61.9 63.8 53 4488 114447 61 6 61.7 61.4 59.9 54 4548 194515 60 6 60.7 60.0 59.6 55 4604 114539 68 9 50.8 60.2 58 5 56 4663 114605 59.5 59.4 59 4 57.5 57 4717 184631 59 1 50.4 59.2 57.6 58 4776 184657 58.8 58.0 50.0 56.1 50 4833 184723 58.4 58.2 58.4 55.7 60 4888 194749 58.I 57.0 57.7 55.2 61 4944 114815 57.5 57.7 57.3 55.1 62 5001 184841 57.1 57.1 57.8 55.2 63 5056 114907 56.6 56.3 56.4 55.2 64 SIII 114033 56.3 56.3 56.0 54.8 65 5163 114050 55.7 55.7 55.6 54.8 66 5217 115025 55.5 55.3 55.2 55.0 e

'd 67 5270 115051 54.4 54.2 54.2 54.2 5322 53.0 54.3 54.2 jf' 68 185117 115143 53.5 53.6 53.7 54.0 54.3 69 5371 70 5428 115200 53.0 53.7 53.8 54.1 71 5471 115235 53.7 53.8 54.2 54.1 72 5520 115301 53.4 53.7 54.1 54.2 73 5571 115327 53.G 53.6 53.0 54.2 74 3872 120545 62.0 61.8 62.6 62.8 75 3Q41 120618 62.2 62.2 62.7 G2.9 76 3962 120637 61.8 61.9 62.0 62.4 77 4013 120703 G1.7 G1.6 61.4 Gl.7 78 4055 120720 60.9 61.0 G1.2 St.2 70 4100 120755 Gl.1 61.5 61.7 61.6 80 4148 120025 Gl.4 61.8 62.0 G2.2 81 4197 120847 St.7 Gl.7 62.8 62.4 82 4246 120913 61.6 61.4 61.0 G2.1 83 4204 120039 61.8 St.7 St.O G2.2 84 4345 121005 61.9 62.0 62.1 62.2 85 4309 121031 St.6 61.8 62.0 61.7 85 4436 121057 61.2 61.4 61.8 61.2 87 4486 121123 61.0 61.3 61.5 60.1 88 4537 121140 60.6 60.6 60.7 58.4 80 4585 121215 50.0 50.8 50.0 57.0 00 4635 12124I 50.2 50.2 58.8 55.8 01 4684 12l307 58.9 58.8 58.5 56.5 D2 4733 121333 58.4 58.6 58.5 56.0 D3 4783 12 350 57.7 58.2 58 5 57.2 04 4832 121425 57.7 58.1 58.4 57.5 05 4881 128451 50.0 58.0 57.8 57.0 06 4033 121517 57.7 57.6 57.4 56.3 97 4083 121543 57.1 57.5 56.9 56.0 98 5032 121600 57.0 57.3 58.7 56.0

1_ R I l R R R. /l R M R R R F-l R M R J- T F THERMAL PLUME OF April 6, 1981 JNCE) POSITION Tine TEMPERATURE DEG F COORDINATES HHnnSS I FT 2.5 FT 5 FT 80TTon 99 5000 121635 57.3 57.3 56.7 55.9 les 5128 128701 57.7 57.6 56.9 55.8 181 5177 121727 57.1 57.5 57.2 56.1 102 5223 128753 57.2 57.4 57.2 56.7 383 5273 121889 57.4 57.5 57.4 57.2 104 5321 128845 57.2 57.4 57.5 57.6 195 5370 121911 56.6 57.2 57.6 57.7 106 5428 121937 56.6 57.0 57.2 57.7 107 5468 122003 56.5 56.9 56.9 57.3 108 5517 122029 56.9 56.6 57.8 57.1 100 5564 122055 55.0 56.1 56.7 57.9 110 5615 122121 55.9 56.3 56.5 56 S tli 5GG4 122147 55.8 56.3 56.6 56.7 112 5716 122213 55.6 55.8 SG.3 56.8 183 5767 122239 55.9 56.0 56.2 56.5 114 5813 122385 55.7 56.0 56.2 56.2 e 115 5863 122331 55.8 55.5 55.0 56.2 d IIS 5916 122357 55.1 55.2 55.5 55.9

'I' 187 5967 122423 55.2 55.2 55.3 55.4 118 6819 122449 54.8 55.1 55.3 55.2 110 6873 122515 54.4 54.8 55.1 55.3 120 6125 122541 54.3 54.4 54.9 55.3 121 G178 122687 54.1 54.1 54.7 54.0 122 3845 124436 52.6 53.2 53.6 54.5 123 3848 124502 55.8 55.9 55.1 55.G 124 3857 124528 55.4 55.2 55.7 55.9 125 3863 124554 55.4 55.4 55.8 56.9 126 3867 124620 55.9 55.9 55.4 55.4 127 3879 124646 55.4 55.6 56.1 56.8 128 3897 124782 55.0 56.8 56.2 56.3 129 3913 124738 56.2 55.9 56.2 56.4 130 3031 124804 55.0 55.0 56.2 56.6 131 3051 124830 55.7 55.8 58.3 SG.7 132 3975 124856 55.8 56.9 56.G 56.5 533 3993 124922 55.7 56.9 56.2 56.1 134 4013 124948 55.7 55.0 56.1 56.1 .

135 4035 125014 55.4 55.5 55.7 55.0 136 4058 125048 55.9 54.9 55.4 55.8 137 4979 125106 55.3 55.6 56.2 56.4 138 4893 125132 8.9 56.1 56.4 56.6 139 4125 125158 B.8 55.0 56.2 56.3 140 4l51 125224 9.9 55.2 55.4 55,8 141 4173 125250 9.8 54.3 54.8 55.3 842 4196 125316 54.2 54.0 55.4 55.8 143 4217 125342 56.5 57.7 57.8 57.5 144 4233 125488 59.4 59.G S0.0 S0.4 145 4253 125434 60.5 60.7 61.2 61.7 146 4268 125500 St.e 61.1 St.7 61.8 147 4284 12552G St.5 61.7 62.1 62.1

THERMAL PLUME OF April 6, 1981 SDE x POSITION Tine TEMPERATURE DEO F C00ROJNATES HHMt1SS 1 FT 2.5 FT 5 FT BOTTon 148 4300 125552 61 Q 61.0 62.2 62.4 140 4318 125618 62 2 62.1 62.5 62.8 ISO 4331 125644 62.2 62.3 62.7 63 I 151 4342 125750 62 I 62.3 62.7 62.0 152 4345 125736 62.1 62.4 62.5 62.5 153 4350 125800 62 0 62.8 62.2 62.3 154 4355 125835 61.4 61.3 68.8 St.2 155 4358 125001 60.8 60.3 60.7 50 8 156 4360 125027 50.2 59.5 50.0 50.0 157 4363 125953 58.I 58.5 58.5 58.3 158 4357 130019 57.8 57.8 57.9 58.2 159 4352 130045 57.4 57.4 58.0 58.2 160 4343 130111 56.0 57.3 57.6 57.4 36: 4341 130837 55.0 56.8 56.3 56.4 162 4334 130203 55.8 55.8 56.1 56.6 163 4331 130229 55.6 55.7 56.3 56.7 130255 56.0 56.6 56.6 L

L.n 164 ISS 4317 4303 130321 55.7 55.8 56.2 56 3 56.5 8 ISS 4200 130347 55.8 55.8 56.2 56.5 167 4155 131005 50.7 61.0 60.5 60.8 ISO 4105 131031 60.1 60.6 60.6 60.3 ISO 4233 131057 60.4 60.3 60.4 60.0 170 4267 131823 59.7 50.8 60.4 60.0 171 4300 131140 50.4 59.7 50.9 50.6 172 4339 131215 58.8 58.8 50.1 50.0 173 4375 13124l 57.7 57.0 58.4 58.6 174 4407 13 307 57.5 57.7 58.2 58.5 175 444l 131333 57.3 57.4 57.6 57.0 176 4476 131350 56.0 66.0 57.5 57.8 177 4511 131425 56.6 56.0 57.2 57.1 178 4540 131451 56.6 56.5 56.6 57.I 170 4500 13 517 55 9 56.1 56.7 56.6 ISO 4624 131543 55.5 56.0 56.0 56.0 101 4658 131600 54.8 54.8 55.3 55.6 182 4603 131635 53.8 54.3 54.7 54.7 183 4734 131708 54.0 54.2 54.4 54.7 104 4777 131727 53.8 54.0 54.5 54.8

. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ . _ _ _ - _ _ - __m - - _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _ . _

TEMPERATURE MEASUREMENTS OF April 6, 1981 AT 1 2.5, AND 5 FT. LEVELS

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Ex PCS!!!CN T!rE TE"FERATURE DEG F CCCAD3 HATES *4MMSS I FT 2 5 FT 5 FT BOTTON I 11573c 85.4 85.2 84.8 84 8 2 135725 85 3 85.2 84.9 85 0 3 115753 85.3 85.8 84.7 84.7 4 II5814 85.5 85.2 84.8 84 9 5 115839 85.2 85.0 84.7 84.7 6 115004 85.2 85.8 84.S 84.8 7 185G28 85.2 85.1 84.7 84.8 8 315953 85.8 84.9 84 5 84.7 9 120018 84.9 84.7 84 5 84.6 le 128042 85.9 84.8 84.5 84 6

• 13 128107 85.2 85.9 84.7 84.7 12 129132 85.8 84.0 84.5 84.6 13 129156 84.9 84.7 84.5 84.5 14 129221 85.2 84.0 84.6 84.6 15 128248 85.2 85.1 84.8 84.8 16 120318 84.9 84.8 84.5 84.6 17 120335 85.1 84.8 84.6 84.4 18 128400 85.3 85.1 84.8 84.7 19 120425 85.1 84.9 84.7 84.7 '

20 120458 b 23 I20514 84.8 85.2 84.6 84.0 84.4 84.7 84.5 84.7 I# 22 120539 85.I 85.8 84.8 84.0 23 128604 85.8 84.7 84.4 84.2 24 120628 84.0 83.6 83.1 82.5 25 12f>653 83.2 83.1 82.7 82.3 26 129718 83.9 83.3 82.9 82.7 27 128742 83.4 83.4 83.9 82.7 28 320087 84.8 83.6 83,I 82.5 20 128832 84.1 83.7 83.8 82.2 30 82005) 94.2 83.9 PT 3 82.8 31 120022 84.2 84.9 83 5 83.7 32 120946 84.4 84.8 82.5 88 1 33 121911 84.4 83.2 Bl.2 78.9 34 121036 84.3 82.4 88.2 78.6 35 121 01 84.1 81.6 70.6 78.6 36 121126 83.9 Bl.5 79.5 78 5 37 121151 83.8 81.9 88.2 78,8 38 12I216 83.7 82.5 89.3 78.0 39 121240 83.9 82.4 79.6 70.8 i 40 121305 83.7 82.3 70.4 79.9 l 41 12 338 83.3 81.0 79.2 78.9 42 121355 82.8 88.8 78.9 78.8 43 121420 82.5 79.8 79.0 70.0 44 121445 45 80 6 70 6 79.2 70.2 121510 79.5 70 4 79.2 70.3 46 121535 78 5 78 7 78.0 79.2 47 121600 78.9 78.2 78.S 79.2 48

• 121625 77.8 77 9 78.2 79 1 49 121650 77 9 77.8 78 1 79 2

7 R U . n ... .. n n ... M n.. r1 r1 n n _n. n o o o _E T-iERt1AL PLUME CF July 23. 1981 IrcEs POSITION T]ni TErPERATURE DEC F COCaDINATES HHr955

• FT 2 5 F1 5 FT BOTTCM Sa 121715 77 7 77.6 77.7 78.8 51 121740 77.8 77.6 77.5 78 5 52 821805 77 8 77.7 77.6 78.1 53 121833 77 7 77.4 77.1 77.6 54 128855 77.8 77.7 77.4 77.6 55 121923 78.8 77.7 77.3 77.7 56 121945 77.7 77.5 77.2 77.6 57 122913 85.5 85.4 85.2 85.3 58 122938 85.7 85.4 85.2 85.2 59 123003 85.6 85.4 85.1 85.8 68 123028 84.8 85.8 84.6 84.3 Gl 123053 83.8 85.3 84.4 83.8 62 123117 85.2 85.1 84.8 81.4 63 123142 85 3 84.0 83.5 88.S 64 123287 85.4 85.8 83.8 88.S 65 123232 85.2 84.8 82.5 88.2 66 123257 84.9 83.8 88.I 88.1 67 123322 84.8 83.9 88.8 88.1 68 123346 84.7 83.8 88.7 88.2 f, 59 123411 84.2 83.7 88.4 88.8 e 78 123436 83.5 81.7 88.2 79.9 e 78 123501 83.8 88.6 88.1 88.8 i 72 123525 82.2 83.8 88.8 79.8 1 73 123550 88.3 88.1 79.7 79.6 74 123615 88.2 88.8 79.8 79.7 75 123640 88.8 79.8 79.7 70.6 .

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i 76 123705 88.8 79.9 79.8 79.5 77 123738 88.2 79.9 79.8 70.6 78 123754 79.9 79.7 79.7 79.5 79 123819 79.9 79.7 79.6 7C.5 80 123843 88 1 79.9 79.7 70.5 BI 123908 88.2 88.0 79.8 79.4 82 123933 88.3 88.8 79.9 79.7 83 123958 88.6 88.3 88.2 79.8 84 124022 88.5 88.2 88.1 79.9 85 124847 88.3 88.2 88.8 79.8 86 124111 88.3 88.1 88.8 79.7 87 124136 88.5 88.3 88.2 88.8 i 88 124221 88.2 88.8 79.9 88.8 09 124226 88.3 88.2 88.8 83.8 98 124250 80.2 88.2 88.8 83.1 98 124315 88.1 88.8 79.9 79.8 92 124339 88.1 88.1 79.9 79.8 93 124424 79.9 79.7 79.5 79 5 94 124429 79.5 79.4 79.4 79.5 95 124454 79.5 79.5 79.5 79.8 96 124518 79.4 79.4 79.4 79.5 97 124543 78.8 78.9 73.8 79.4 98 124627 78.7 78.5 73.4 79.2

W M E M M E E E E E E E E E E E E E THERMAL PLUME OF July 23, 1981 th0Ex PCs! TION TEnPERATb4E CEG F cocRoth4TEs HH ,INE

• ss 1 FT 2.5 F1 5 F1 8011Cn 9G 124632 78.7 78.8 78 7 70.4 102 124656 78.0 78.8 78.7 70.4 301 124723 78.6 78.5 78.5 79.2 102 124746 70.0 78.9 78.7 79.4 103 124811 78.8 78.6 78 5 70.2 104 124835 70.1 78.0 78 6 70.0 105 124920 78.8 78.6 78.5 78.0 106 124924 79.2 78.0 78.7 70.1 107 124Q49 78.8 78.6 78 4 78.7 108 125013 70.2 78.0 78.8 70.1 leg 125038 78.8 78.6 78.4 78.6 150 125102 70.8 78.0 78.8 70.I Ill 125127 78.8 78.5 78.3 78.7 112 125151 79.1 78.8 78.7 70.8 113 125216 78.6 78.4 78.3 78.7 114 125241 70.0 78.8 78.5 78.7 115 130113 88.1 83.7 80.0 70.4 116 130137 0.0 80.7 80.4 80.5 117 130202 0.0 80.7 80.3 80.3 e 118 130226 80.0 83.8 83.7 80.8

@l 119 130251 81.0 80.8 80.5 80.4 120 130385 80.0 80.7 80 5 80.7 121 130340 80.9 80.6 80.3 80.2 122 130404 82.2 81.7 80.5 80.4 123 130429 84.0 83.0 80.3 80.0 124 130453 84.6 83.3 80 1 80.0 125 130518 85.0 83.2 70 0 70.5 126 130542 85.0 83.0 80 0 70 0 127 130607 85.2 83.8 79 8 79.3 128 130631 85 4 P? Q 80 5 70.d 129 130656 85.2 83.0 80.3 78.0 130 130/20 85.5 82 8 80.8 79.2 131 130745 85.2 82.4 80.6 70.3 132 130809 85.6 83.2 81.3 70.0 133 130834 84.9 83.2 88.7 80.1 134 130850 85.1 83.7 82.7 79.0 135 130023 84.7 83.7 82.8 82.1 156 130947 85.0 84.8 83.4 83.1 137 131012 84.2 83.8 83.5 83.4 138 131036 84.5 84.1 83 7 83.7 130 13l101 0.0 83.7 83.5 83.5 140 131126 83.7 83.6 83.3 83.2 148 131153 84.1 84.0 83.7 83.8 142 131216 83.7 83.G 83.4 83.5 143 13124: 83.8 83.5 83 2 83.1 144 131305 83.2 83.1 82.0 82.0 145 133330 83.4 83.2 82.9 82.8 146 131354 83.5 82.0 82.7 82.7 147 l33489 83.2 83.0 82.7 82.6

W W M M M M M M M M M M M M M M M TFERNAL PLUME CF J u '. y 23, 1981

! NCE .= POSIT!DN 1*9E TEMPERATLRE DEG r CCORDINATES senn 55 I FT 2 5 FT 5 FT BOTTON 148 131444 82.9 82.8 82 6 82.6 14G 13 539 83.2 83.0 82.7 82.7 150 131534 82.9 82.6 82 4 82.2 151 131559 82.9 82.7 82 4 82.5 152 131623 83.3 83.1 82.8 82.7 155 131648 83.0 02.0 82.3 82.2 154 131712 82.8 82.6 82.3 82.1 155 131737 82.8 82.6 82.3 82.1 856 131802 82.0 82.7 82.3 82.1 157 131827 82.5 82.2 81 8 81.6 158 131852 82.3 82.1 81.8 81.7 159 131917 82.4 82.2 81.0 81.9 160 131041 82.3 82.0 81.7 81.8 I6I 132006 82.2 88.8 88.5 81.7 162 132030 82.0 St.8 81.6 81.8 163 132055 82.2 81.9 81.7 82.0 164 132120 82.4 82.l 81.8 88.9 165 132144 82.0 82.0 Bl.7 81.8 166 132200 82.4 82.1 83.6 80.1

$3 167 132233 82.2 82.0 St.7 81.6 Ln 168 132258 82.2 81.0 81.8 88.8 m

' 169 170 132323 132347 81.0 81.8 88.9 Bl.7

' 81.7 01.4 81.7 80.9 171 132412 81.7 81.6 88.3 80.0 172 132437 81.9 88.7 88.1 80.4 l'3 132501 88.4 81.4 81.2 81.8 174 132526 81.4 81.5 81.3 81.4 175 132551 88.9 88.7 81.5 88.7 176 132615 81.1 81.5 81.4 80.8 177 132E40 81.7 81.5 88.2 80.1 178 13270S 81.8 81 7 88.5 80.3 179 132779 81.8 81.7 81.6 80.8 180 132754 81.7 81.7 88 7 81.4 101 132819 81.8 81.6 81.6 81.4 182 132844 83.6 81.4 81.4 81.2 183 132909 81.4 81.2 88 2 81.0 184 132934 81.1 88.9 81.0 80.9 185 132958 81.2 81.1 88.3 81 0 186 133023 88.2 81.2 81 2 81.2 187 133047 88.2 81 0 81 1 81.0 188 133112 88.1 Bl.1 Bl.1 80.0 18G 133837 80.7 80.8 80.8 80 7 190 133201 81.0 88.0 81 0 80.0 891 133226 80.9 80 0 80.8 80.7 192 133253 80.6 80.6 80.7 80.6 193 133315 80.0 80.9 80.0 80.9 194 133340 80.7 80 6 80 5 80.4 105 133404 80.5 80.4 80.5 80.5 196 133429 80.6 80.5 80.6 80.4

THERMAL PLUME OF Ju;y 23. 1981 Ir.DE) POSITION ~IME TEPPERATbaE DEC F CCORCi t4A T E S HennSS I FT 2.5 FT 5 FT 0011DN 197 133453 80.5 80.4 80.4 89.3 198 133518 80.5 60.4 80 4 80 4 199 133543 80.2 80.2 80.2 80.2 200 133607 80.3 80.3 80.3 80.2 208 133632 80.2 80.1 80.1 80.1 202 133656 80.2 80.2 80.1 80.0 203 133721 70.G 79.9 79.8 79.9 204 133746 70.7 70.7 79.7 79.7 205 133810 70.3 70.3 79.5 70.7 206 833835 79.2 70.1 79.1 79.3 207 133859 70.0 70.0 79.0 79.3 208 133924 79.I 70.0 70.1 70.3 209 133049 79.2 70.0 70.1 70.1 210 134013 70.0 78.9 78.0 78.9 211 134038 79.1 78.Q 78.9 78.8 212 134102 70.2 79.1 79.1 70.0 283 134036 82.0 88.5 81.1 80.0 214 135001 81.9 Ol.G 81.2 83.2 215 135026 82.0 88.7 81.2 81.2 8 216 135050 82.0 88.7 81.3 Bl.3 8$ 217 135115 81.0 81.6 81.2 81.2 I 218 135140 82.8 81.0 81.5 81.5

?ID 135204 81.6 81.4 Bl.I 81.2 220 135229 Bl.8 Bl.G 88.3 88.3

??l 135253 81.5 81.3 81.8 Bl.1 222 II5318 84.0 81.7 81.4 81.5 223 135343 81.7 81.5 81.2 88.3 224 135407 88.0 81.6 81.2 80 9 225 135635 81.7 88.5 81.3 88.2 226 135720 81.4 81.3 St.0 00.0 227 135724 Pl.3 81.3 81.1 81.1 J28 135740 Os.I 88.0 SA.8 80.0 220 135814 81.5 81.3 81.2 81.2 230 135838 81.3 81.1 80.0 83.7 231 135903 81.3 88.1 81.0 80 7 232 135928 80.0 80.7 80.5 80.2 233 135052 80.6 80.4 80.3 80 1 234 140017 80.4 80.2 80.0 70 0 235 140042 80.4 80.3 80.1 80.1 236 140806 80.3 80.2 80.0 70 0 237 140131 80.3 80.1 79.0 80.0 238 14015G 80.0 70.8 70.5 79.3 230 140220 80.2 80.0 79.5 70.2 240 140245' 80.4 70 8 70.8 70.0 248 140300 80.5 80.2 70.7 79.1 242 140334 80.8 80.2 80.0 79.4 243 140350 80.8 80.3 80.2 70.7 244 140423 80.8 80 4 80.1 79.7 245 143448 80.7 80.2 80.0 79.4

O O O FR 1 t n n n O n O n O O O FR O _O O F-THERMAL PLUME OF July 23. 1981 JhCEx Post 110h T!rE TEffERA Tu1E DEC F CCOR31t4ATES H.-.r21SS I FT 2. 's FT 5 FT 80T10N 246 143583 89.8 79.7 79.7 79.5 247 143602 80.1 79 5 70.6 79.3 248 14D627 79.8 79.5 79.5 79.5 249 149651 88.0 79.7 79.5 79.4 l 250 148855 79.4 79.3 79.2 79.5 251 148028 79.5 79.5 70.8 79.4 252 149944 79.6 79.2 79.3 79.2 253 141969 79.5 79.3 79 2 79.4 254 141954 79.6 79.6 79.3 79.5 255 341958 79.8 70.4 79.5 79.3 256 141823 79.8 79.9 70.6 79.8 257 141148 88.8 79.7 70.6 79.7 258 141282 79.9 70.8 79.7 79.5 259 141257 79.7 79.8 79.7 79.7 260 141382 79.9 98.8 B8.8 79.1 s

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M M M M M M M M M M M M M M M M M TEMPERATURE HEASUREMENTS OF July 23, 1981 AT  !, 2.5. AND 5 FT LEVELS 86 -

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THERMAL PLUME OF October 30, 1981 I r.OE 2 P051 TION T:ME TEnPERATURE DEC F C00R0! HATES +N.955 i FT 2.5 FT 5 FT BOTTON I 121250 52 0 52 5 55.0 52.8 2 12l316 53.0 52 0 52.8 52.0 3 12 342 53.3 52.9 53.2 53.0 4 121428 53.4 53 8 52.0 53.0 5 12 434 53.8 53 5 53.7 52.0 G 121500 55.3 54 0 53.8 53.2 7 121526 55.5 54.8 53 7 53.3 121552 54.8 53 6 53,7 53.3 8

9 121618 55.3 53.8 53.5 53.4 10 121644 55.4 54.0 53.0 53.8 121780 55.2 54.4 54.0 53.6 11 12 12173G 55.6 54.4 54.2 53.6 13 121992 54.9 54.1 54.8 54.1 14 121828 54.4 53.9 54.4 54.4 15 121854 54.4 54.3 54.G 54.4 121920 54.9 54.5 54.7 54.4 16 54.4 17 121Q46 55.4 54.8 54.8 18 122012 55.3 55.4 55.0 54.7 19 122038 56.3 55.7 54.9 54.7 122 04 56 5 55.7 55.1 54 9 on 20 21 122130 56.5 55.5 55.1 55.5 22 122 56 SG 1 56.2 56 0 55.5 1

23 122222 56 ? 56.2 56 5 56.6 24 122249 SG B 57.2 57 8 57.9 25 122314 57.5 57.6 57.8 57.8 26 122348 57.7 57-Q 58.1 57.9 27 122426 57.7 57.6 58 0 57.0 28 122432 57.8 57.7 57.8 57.6 29 122458 57.5 57.8 58.2 57.2 30 122524 57.0 57 . '/ 57.4 55.8 Il 122550 57.4 57.5 57.4 54.5 32 122616 57.2 56.8 57.0 53 8 33 122G42 57.1 56.0 56.7 52.7 34 122708 56.5 56 6 56.6 52.8 35 122734 57.0 56.7 56.4 52.5 36 122800 57.2 57.0 56.7 52.5 37 122026 57.1 57.8 57.0 52.8 38 122852 57.0 56.9 56 0 52.7 39 122918 56.9 56.6 56.1 52.5 40 122044 56.6 56.6 56.2 52.6 41 123010 56.0 56.0 55.0 52.8 42 1230!G 55.2 55 3 55.2 53 2 43 123802 54.6 54.4 54.1 53.5 44 123128 53 G 53 3 53.3 53.7 45 123154 53 I 55.0 53.3 53.8 46 123220 53.1 53 5 53 9 54.3 47 123246 54 3 54.4 54.7 54.4 48 123312 54.3 54 3 54.8 54.2 49 123338 54.1 54.1 54.5 53.0

(__ R R R R R_ R R R R R_ R f l .. _R R R I l R I l I-THERMAL PLUME OF October 30, 1981 It0Es POSIT]CN TIRE ten?ERATURE DEG F COORDINATES M SS 1 FT 2.5 FT 5 FT Bo1 TON Sa 123404 54.5 53.0 55.9 52 3 51 123433 53.7 53.8 53 6 51 8 52 123456 53.5 53.4 53.3 52.3 55 123522 53.5 53.5 52.7 SI 7 54 123548 53,3 53.1 52.0 52.3 55 123614 53.1 53.2 52.8 58 9 56 123643 52.8 52.6 52.2 52.8 57 123726 52.5 52.4 52 4 52.3 58 123732 52.5 52.1 52.2 52.3 59 123758 52.2 St.7 52.2 52.5 Sa 124558 56.3 56.1 56.8 56 I El 124644 57.5 57.1 57.3 0.3 62 124719 57.7 57.6 57.7 58.3 E3 124736 57.6 57.5 57.4 55.9 64 124802 56.2 56.2 56.9 8.3 65 124828 53.2 53.1 53.2 8.8 E6 124554 52.2 52.3 52.4 9.8 67 124928 52.3 52.6 52.7 8.8 EB 124046 53.2 55.7 53.9 9.8 I SG 125312 52.4 53.7 54.1 9.3 y( 70 125038 52.7 54.5 54.7 8.8 71 125104 52.2 54.8 54.6 9.8 e

72 12513a 52.7 54.8 55.8 a.8 73 125156 54,3 54.6 54.6 9.8 74 125222 54.3 54.8 54.1 0.9 75 125248 53.9 53.0 53.7 0.0 76 125314 53.6 53.3 55.0 0.0 77 125340 52.9 52.8 52.8 0.0 78 125406 52.2 51.9 51.9 9.3 70 125432 58.6 58.1 51.4 50.5 B3 125458 51.6 51.4 51.6 51.7 81 125524 51.9 51 8 51.9 55.6 B2 125550 52.0 51.7 52.8 51.6 83 125616 52.4 52.2 52.3 9.9 84 131201 51.8 58.4 51.6 52.1 85 131227 52.8 52.2 52.4 52.4 86 1382s3 52.0 51.0 52.2 52.2 87 131319 52.2 52.2 52.5 52 3 88 131345 52.8 51.8 52.1 52 I BQ 131411 52.8 52.8 52.4 52.2 00 131457 52.1 51.8 52.1 52.2 91 13150' 52.0 52.8 52.4 52.2 G2 131529 51.9 51 8 52.8 52.8 G3 131555 51.6 51.6 52.1 58.0 Q4 131621 52.7 52.5 52.7 51.7 G5 131647 55.0 54.8 55.1 St.7 06 131783 55.0 55.8 55.8 52.4 07 131730 56.2 56 2 56.4 56.2 QB 131825 56.5 56.6 56.9 57.0

THERl1AL Plut1E OF October 30, 1981 JhCEr POSITICH TjrE TEMPERATURE DEG F COORDINATES wrir155 1 FT 2.5 FT 5 FT 831 ton 99 131848 56.8 56.8 56.0 56.4 100 131014 56.8 56.7 57.9 56 4 101 131940 56.7 56 8 56.0 56.5 102 132006 56.4 56.5 56.6 55 8 132012 55.9 55.8 55.8 54.0 103 54.8 54.2 104 132058 54.0 54.8 IOS 132125 53.7 53.7 53.9 53.8 106 132151 53.7 53 7 54.2 54 9 107 132220 53.7 53.7 54.0 54.1 13224G 53.7 53.8 53 8 54.1 108 54.2 54.2 109 132313 53.8 53.0 132341 54.2 54 3 54.6 54.4 180 54.9 54.3 lit 132407 54.5 54.6 132433 54.5 54.4 54.7 54.4 112 54.9 54.5 113 132450 54.5 54.4 152525 54.4 54.5 54.7 54.5 114 54.3 115 132551 54.4 54.3 54.7 116 132617 54.3 54.3 54.7 54.8 137 152643 54.5 54.2 54.3 53.0 1 118 132700 54.5 54.4 54.8 54.1 119 132735 54.9 54.8 55.0 54.7 23 54.9 55.0 54.7 8 120 132904 54.8 121 132830 54.6 54.5 54.9 54.7 122 132856 54.5 54 5 54.8 54.G 123 132022 54.7 54.6 55.1 55.0 124 132Q48 54.8 54.9 55.4 55.0 125 153014 55.4 55.3 55.6 55.3 126 133040 55.6 55.5 55.8 55.5 127 133126 55.8 55.9 56.1 65.8 128 133132 56.0 55.0 56.2 5G.2 320 133158 55.7 56.2 56.5 56.2 130 133224 56.3 56.6 56.7 56.7 131 133250 56.5 56.6 56.9 56.7 132 5333l9 56.4 56.5 56.6 56.6 133 133527 56.5 56.6 57.0 56.7 134 133553 56.5 56.4 56.8 56.4 135 133610 56.1 56.1 56.3 56.2 136 133645 56.1 56.I 56 2 56.0 137 133711 55.6 55.7 55.8 55.8 138 133737 55.8 55 7 56.2 56.0 13G 133803 55.7 55.7 55.0 55.8 140 13382Q 56.0 55.0 56.3 56.2 143 133855 56.1 56.3 56.5 56.3 142 133921 55.7 55.6 5G.0 55 8 143 133947 55.8 55.8 56.2 56.0 144 134013 55.6 55.5 55.7 55 0 145 134039 55.5 55.6 55.0 55.7 146 834105 55.0 55.7 55.0 55.0 147 134133 55.4 55.5 55.6 55.5

M M~M M M M M M M M M M M M M i

l l

l THERMAL PLUME OF October 30. 1981 l

l l lhCE) POSITICN TIME TEMPERATURE DEG F COORDINATES HHMNSS I FT 2.5 FT 5 FT BOTTDM I

148 134159 55.5 55.4 55.8 55.7 143 134225 55.3 55 3 55.4 55.2 153 134251 54.0 54.9 55.2 54.0 ISI 134317 54.9 54 7 55.2 55.1 152 134343 55.0 55.0 55.3 55.2 153 134400 54 6 54.8 55,8 55 0 154 134435 55.2 55.0 55.3 55.1 155 134508 54.9 55 0 55.2 55 l 156 134527 55.0 55 0 55.2 55.0 157 134553 55.1 54 9 55.3 55.I 158 134619 54.9 55.0 55.2 55.1 159 134645 55 0 54.9 55.3 55.3 160 134713 55.4 55.3 55.5 55.5 161 134742 55 3 55 2 55.6 55.4 162 134808 55.4 55.5 55.7 55.5 163 134834 55 6 55.5 55.8 55 8 164 134900 55.5 55.4 55.8 55.8 165 134926 55.6 55.7 55.9 55.8 166 134952 56.0 55 0 56.1 56.1 29 167 135018 56.0 56.0 56.2 55 9 o3 168 135044 56.0 55.8 56.0 55.7 8 869 135l10 55 4 55.3 55.6 55 3 170 135136 55.2 55.3 55.5 55.4 171 135202 55.2 55.2 55 3 55.3 172 135228 55.5 55.3 55.0 55.6 173 135254 55 3 55 3 55.6 55.5 174 135320 55.1 55.3 55.6 55 6 175 135346 55.3 55.3 55.6 55 7 176 135437 55 6 55.5 55.9 55.6 177 135448 55.3 55.2 55.6 55.4

!?8 135519 55.4 55.4 55.6 55.3 179 135550 55 2 55.2 55.5 55.6 180 135616 55.3 55.I 55.6 55.3 181 835642 54.9 55.0 55.4 55.4 182 135700 54.9 55.0 55.2 55 I 183 135734 55.3 55.2 55.6 55.5 184 135000 55.0 55.3 55.4 55 4 185 135826 54.9 55 3 55.7 55 6 186 135852 54.9 55.3 55.5 55.4 187 135018 54 7 55.1 55.5 55 4 188 140017 55.5 55.4 55.7 55.7 189 140043 55.3 55.5 55.8 55 7 193 140100 55 6 55.5 55.0 55.8 198 140135 55.7 55.0 56.8 56 0 192 140201 55.6 55.3 55.8 55.9 103 140227 55.7 55 7 56.1 55 8 194 140253 55.2 55 2 55.5 55.2 105 140310 54 4 54.6 54.8 54.6 1G6 140345 54.4 54.3 54.7 54.3

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THERMAL PLUME OF October 30. 1981 INDEx POSITION Tine TEMPERATURE DEG F COCRDINATES H M SS 1 FT 2.5 FT 5 FT B01 TOM 197 140411 53.0 53 Q 54.4 53.7 108 140437 54.9 54.1 54.3 54 0 109 142533 53.9 53.9 54.1 53.9 b

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l LONGITUDINAL SECTIONS OF OYSTER CREEK AND BARNEGAT BAY SURFACE O-52.5 55.3 56.3 57.1 53.0 52 2 54.0 55.7 57.1 53.1 2.5 - . . . . . .

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THERMAL PLUME OF November 24 1981 I t.DE x POSITION TIN TEt1PERAluRE CEC F COORDINATES esS I F1 2.5 F1 5 FT 83fTCn I 93259 48.6 49 5 49.7 49.9 2 G3326 48.1 48.9 48.9 48.8 3 93353 48.8 49.5 53.1 49.3 4 93420 40 6 49 0 49.5 48.6 5 93447 48.9 49.6 49.3 49.3 6 93514 48.3 50.8 49.2 49.2 7 93541 48.6 50.1 48.7 49.7 8 93628 48.4 50 2 49.3 48.8 9 93635 49.2 49,1 49.4 49.3 ID 93782 48.5 49.6 50.1 49.9 il 93729 48.6 50 2 49.6 48.8 12 93756 48.6 50.0 49.7 49.2 13 93023 48.8 50.2 49.6 48.9 14 93850 48.8 50.2 49.5 49.0 15 93917 48.6 49.9 49.9 49.5 16 93944 48.7 49.7 49.9 49 4 17 94211 49.2 49.8 48.8 49.4 18 94238 48.5 49.6 49.5 49.5 19 94195 48.4 49.6 49.4 49.3 1 22 94832 49.7 50.3 49.9 50.0

$ 21 94159 59.3 49.9 49.8 49.9

-a 22 94226 49.0 49 7 49,4 49.5 1 23 94253 49.5 50.6 48.9 47.4 24 94322 47 7 48 4 46.2 44.4 25 94347 46.4 45.3 45.4 44.4 26 94414 45.1 46.0 44.4 45.6 27 94448 46.2 45.2 45.4 44.2 28 94508 44.9 46.3 44.2 44.8 29 94535 44.9 46.4 44.2 44.8 33 94622 44.3 46.3 44.1 45.3

?! 94629 44.9 45.3 44.7 44.3 32 94656 44.8 45.5 43.8 44.7 33 94723 44.5 45.0 43.9 43.2 34 94750 44.7 44.7 43.2 42.8

. 35 94017 43.5 44 1 42.9 42.4 36 94044 43.6 44.5 41.9 42.8 37 94911 43.0 44.0 42.1 43.0 30 94938 43.6 44 1 42.8 41.0 39 95205 44.4 43.1 41.9 42.8 40 95332 42.9 43.8 42.3 41.4 41 95259 43.5 42.7 42.4 42.7 42 95126 42.7 43 3 43.2 41.9 43 95153 42.8 43.6 43.2 42.I 44 95222 42 5 43.2 42.9 42.9 45 95247 43.4 43.0 41.7 42 2 46 95314 42.5 42 9 42.2 43.1 47 9534l 42.7 42.7 42.3 42.0 48 95428 43 5 43.6 43.2 43.8 49 95435 42.5 42.2 42.2 43.3

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l THERMAL PLUME OF November 24. 1991 th3Ex POSIT!ON 11 t'E TEr1PERATURE DEG F COORDINATES wir1SS 1 FT 2 5 FT 5 FT 80T T 0t1 50 05502 43.0 42.0 42 8 45 6 51 05529 42.8 42.7 42.6 43.6 52 95556 42.7 42.6 42.5 43 2 53 95623 42.6 42 7 41.0 41.0 54 G5650 42.3 42.0 41.3 41.7 55 05717 42.4 42.2 41.7 41 7 56 05744 43.1 43.7 42.7 41.0 57 95813 42 4 42.8 41.5 48.3 58 05038 42.4 43.1 42.8 42.8 SG 95G05 43.2 42 0 41.6 42.8 60 102719 47.6 48.6 48.8 46.9 61 100746 45.8 47.8 45.3 46.1 62 100813 45.2 45.3 45.5 43.8 63 103843 43.6 45.2 45.4 43.5 64 122Q07 45.5 44.0 44.6 45 2 65 100934 43.7 45.5 45.0 43.1 66 101031 44.7 45.0 43.6 43.2 67 101028 44.2 44.1 43.7 43.6 68 101055 44.9 43.8 43.0 42.5 I 69 198122 43.6 43.3 43.6 42.5 Fd 70 101149 44.0 44.4 42.6 41.8 O 71 101216 44.1 43.3 43.1 43.8 I 72 101243 43.4 43.4 42.0 42.6 73 101310 43.2 42 7 42.7 43.6 74 101337 42.3 43.1 43.6 43.1 75 101434 42.9 42 5 42,0 42.6 76 101431 44.I 43.2 42.6 41.9 77 101458 42.3 42.0 43.0 42.8 78 101525 43.5 43 8 43.6 42.6 70 101552 43.5 43.0 42.3 41.5 80 101619 42.3 42.9 43.3 43.0 81 101646 43.0 42 3 42.5 42.9 82 101713 43.8 42.3 41.6 43.8 83 101740 41.0 42 5 43.1 43.4 84 101807 43.3 48.8 42.5 45.0 85 101834 43.5 41.7 43.2 44.0 86 101921 43.1 42.7 43.1 45.5 87 101028 42.3 42.1 44.8 46.1 88 101G55 42.3 48.7 45.5 46.4 8G 102022 48.8 41.8 45.7 47.8 90 102049 48.5 41.1 46.5 47 3 QI 103222 42.8 41.4 41.5 46.8 02 193249 42.0 44.0 41.2 42.8 Q3 103316 42.0 43 2 42.1 41.8 04 103343 42.4 42.3 41.4 41.5 05 103410 43.0 42 7 42.9 41 I 96 105445 40.4 45.6 41.3 42.3 97 105512 43.0 41 4 45 I 30.1 G8 105530 46.7 40.9 43.1 41.7

g- -~ g.~g 3 --g g g g m g g g g. g g g THERr1AL PLUr1E OF November 24, 1981 INDEx POSITICH 11NE TENPERAlbRE DEG F COORDINATES HH"inSS I FT 2 5 FT 5 FT BOTTON 99 105606 42.9 44.6 39.6 45.6 100 105633 40.8 46.4 41 0 42.8 10 105700 43.4 41.1 44 6 30.9 102 195727 45.8 30.0 43.8 42.6 103 195754 45.9 44.8 39 5 46.0 104 105032 43.7 03 45 6 40 I 305 105G59 45.0 42.2 42.8 42.8 106 192026 40.5 46.1 39.6 45.4 107 110053 40.6 43.7 42 0 42.2 100 110214 45.1 42*l 42.4 42.0 103 110241 43.1 44.1 48.2 39.6 110 1l0308 40.4 42.5 43.4 41.8 Ill 110335 42.7 44.8 42.4 42.5 112 110402 43.6 45.4 42.7 42.2 133 190429 42.8 44.6 42.9 41.6

, 114 110456 44.1 45.6 44.1 42.7 115 110523 45.1 46.3 44.6 d2.8 IIS 110550 45.6 46.5 44.8 42.8 187 110617 46.2 46.4 44.7 42.6 110644 46.9 46.6 44.5 42.4 M

o 118 119 110711 47.7 47.7 44.5 42.4 ND 120 110738 48.7 47 9 43.9 43.2 1 121 110825 47.8 48.6 46.7 43.8 122 110832 40 0 50.7 48 2 43.5 123 110859 49.3 49.5 48.3 44.8 124 180026 48.7 50.6 46.6 43.0 125 190953 40.0 46.3 45.4 44.9 126 l11020 49 8 47.5 43.7 44.8 127 191047 48.7 47.7 44.0 44.5 128 191114 48.3 48.4 44.5 43.3 129 181141 49.I 47 0 45.5 44.4 130 Ill200 48 7 47.0 43.8 44.5 131 11 235 45.4 45.3 45.6 44.6 132 111406 42.6 44.0 44 5 45.6 133 181433 43.0 44.1 44.2 44.6 134 181500 43.0 44.7 44.6 45.1 135 181527 43.6 45.6 45.2 44.7 136 11 554 44.7 45.4 44.4 44.4 137 111621 43.9 44.4 43.4 43.4 138 198648 44.0 44 8 44.0 45.2 139 188715 43.8 45.1 45.1 45.2 140 188742 43.8 44.8 44.8 45.2 141 til810 43.6 44.0 44.6 44.3 142 111836 43.3 43.8 43.8 44.2 143 1l1003 44.5 45.2 44.2 43.5 144 181030 44 7 45.0 44.2 43.7 145 181957 44.4 46.0 44.0 44.5 146 182024 43.7 45.0 45.5 44.4 147 112053 43.7 44.9 45.4 44.3

THERMAL PLUME OF November 24, 1981 INDEx POSIT ION Tire TEr1PERATLRE DEC F COORDINATES MiriSS I FT 2.5 FT 5 FT 801 Tori 148 182110 45 8 44 I 44.4 44.6 14Q  !!2145 45.7 44.0 44.1 43.1 153 112212 45.7 45.2 44.2 45.0 151 112239 45.6 45.6 44.4 45.3 152 192386 44.7 45.7 43.8 44.3 153 II2333 44.8 45.3 44.6 43.6 154 112492 45.2 45.2 43.3 44.2 155 182427 44.5 44 8 44.7 43.8 ISS 192454 45.5 45.3 43.6 44.7 157 182521 45.1 45.4 43.4 44.7 158 182548 45.8 45.7 44.0 44.7 159 112636 46.1 45.6 44.7 44.1 I6a 112783 46.0 45.5 43.7 44.6 161 182730 45.6 44.7 43.1 44.5 162 192757 45.3 43.5 43.5 43.6 163 132824 43.2 44.6 42.4 43 2 164 192851 43.5 43.0 42.6 44.2 165 112918 43.8 42.0 43.1 41.9 166 112G45 43.3 44.1 41.7 42.6 I 167 193212 43 5 44.2 42.0 41.7

[ 169 183239 43.5 44.0 42.0 41.5 c) 169 113126 43 1 44 0 41.5 41.2 I

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O U FMMMMMMMM M MD U R ( M M-TEMPERATURE MEASUREMENTS OF November 24, 1981 AT I, 2.5. AND 5 FT LEVELS I .',+ *,' ** *.

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M M M N M M M M M M M M M M M M M M M LONGITUDINAL SECTIONS OF OYSTER CREEK AND BARNEGAT BAY SURFACE O-48.6 48.9 49.0 43.5 43.1 48.9 49.6 49.7 42.7 42.2 2.5 - . . . . . . .

DEPTH

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200 l- OYSTER CREEK 8ARNEGAT BAY =l RIVER MILE MILES-IlO* COURSE FROM MOUTH OF OYSTER CREEK DATE November 24, 1981 STATION PARAMETERS TIME 0915-1130 AT 20.3 *F WIND Variable (NU-NE) at 3 mph CIRC. FLOW 460,000 gpm 520,000 gpm DIL. FLOW

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I I 4.3 Hydrocraphic Study 4.3.1 Introduction The OCETS Hydrographic Study requires an annual bathymetric I survey of Oys+er Creek to determine the extent of shoaling.

The survey was conducted in Augus+ 1981, 30 mon +hs after maintenance dredging was completed in Oyster Creek. This

. repor+ provides an explanation of data collection and reduction methods and presents the data on tables and figures containing a comparison of the baThymetry of the presen+ survey using 1979 data as baseIine.

4.3.2 Methods A. Station Locations I In 1969, bathymetric survey stations were set up in Oyster Creek from U.S. Route 9 east to Barnegat Bay (Figures 4-1 thru 4-3). The station numbers correspond to the distance,

.I In hundreds of feet, east of the U.S. Route 9 bri dge.

station survey markers are nor+h of Oyster Creek and AlI soundings are taken from north to south.

I B. Field instruments and Techniques

.g As described in Jersey Central Power & Light Environmental 3 Af f airs Department Pocedure 106 Revision 9, and Procedure 204 Revision 0, the following is used:

1) Metal Plate attached to a rope or rod marked of f in

= equal and known lengths.

2) Raytheon Portable Echo Sounding Survey Recorder and

g probe.

.g 3) SmalI boat.

4) Raytheon Portable Echo Sounding Survey Recorder.

5) Hewlett-Packard 3805-A Distance Measuring Device.

6) Surveying Equipment.

The Raytheon Portable Echo Sounding Survey Recorder has a The I depth accuracy of 2.5 cm (1.0 inch) + 0.5%.

Hewlett-Packard 3805-A Distance Measuring Device is accurate to within 0.15 meter (0.5 foot) and has a range of 10Km (6.25 miles).

.I After the instruments are calibrated, a transit i s used in conjunction with the baseline monument for the particular s+ation being surveyed to produce an accurate water

I elevation at the time o+ the survey. The distance across the water surf ace to the f ar shore is then measured. As the boat is pulled across the water, the fathometer I measures the depth. Upon reaching the f ar shore point, the boat is turned around and the survey is repeated. Water elevation is measured before and after each survey.

I -

, -m-

I l

I k C. Data Reduc + Ion Data anal ysis proceeds in three steps:

I

1) Raw data is hand plotted for each survey station.

2) The plo+s are digitized by using a Tektronix Graphics l input Tablet.

l 3) The digi +ized data is analyzed for scouring and shoaling by comparison to 1979 base 1ine data.

l The accuracy of the digiti zing was obtained by inputting ten consecutive data poin+s of the same spot. The I following sunrnarizes the results:

y-direction (ft.)

x-direction (ft.)

I l

Average Median Std. Deviation

.0246

.0246

.020

.316

.301

.1105 Computer generated results wil l faithfully reproduce the i draftman's plots to hundredths' of a foot in depth.

I Figures 4-4 to 4-44 are the compu+er graphical and tabular I

l output. On the top graph of each figure, elevations are shown in feet with zero as the local Mean Low Water Level which i s 15.05 f eet above the National Geodetic Mean Sea Level at Sandy Fbok (1929). All profiles are surveyed from I

1 I

north to south and therefore, the graph has north to the left. The second graph shows fil l ing or scouring.

y-axis of this graph is also in feet.

The The data is l

{

I i

tabulated at the bottom of the page so that comparisons can be accuratel y made. Due to the dredging operations, the 1979 data will be used as a baseline. Data from the four l residential lagoons near the mouth of Oyster Creek are l presented as plan sections since only three points are i

measured per section in each lagoon.

l 4.3.3 Data Analysis and Discussion l

Figured and tabulated bathymetric data from Oyster Creek are (

presented in Figures 4-4 to 4-44. Figures 4-45 thru 4-47 show I I the data from the four residential lagoons. All sections show the main channel with depths between 9 and 13 f eet below mean low water except Section 15. Section 15 displays a shoaling yielding a navigational depth of 8 feet at mean low water.

I Side navigation channels are shown approximately 5 feet below mean low water. Sections 1 through 21 have an average stream l width of 300 feet with a channel bot +om width of 130 feet. The I submerged channel banks are generally sloped 1:2.

Sections 23 to 52 cons +1tute the widest part of Oyster Creek and include many of the side channel s. Side channels were I dredged to 5 feet. Main channel bot +om width ranges from 100 feet to 110 f eet , while stream width ranges from 300 f eet to 1000 feet.

E -119-s

r u

Sections 53 out to Barnegat Bay include the four major lagoons in Oys ter Creek. Channel width averaged 110 feet and depth 10  ;

feet. l Comparison of 1981 data with 1979 data for the Oyster Creek discharge canal shows a general trend of very slight to no sedimentation.

Because of equipment failures extending into the winter months ,

surveys of the side lagoons o ff of Oyster Creek could not be completed until the ice cleared in 1982. As the baseline in these lagoons was done in August 1979, the comparisens between the present survey and the baseline represents 30 months of fillings and/or scouring.

Sedimentation and scouring in the four lagoons taken from on figures 4-45 to 4-47 is tabulated below. In all four lagoons, navigable depths of 5.5 feet or greater are present.

Lagoon Statistics Lagoon Name Max. Max. Overall (West to East) Scour fill average

{ Venice Sanabelle

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-I Dec. 1979 & Jan. 1982 Soundings s 1

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I 4.4 Chemical Release inventory The following is a summary of those chemicals discharged by CCNGS +o the aquatic environment during the reporting perloc. As per the OCETS, chemicals used in station laboratories are excluded.

Some chemicals are discharged in quantities and frequencies other +han that reported in the OCNGS Final Environmental Statement (FES). In those cases where the reported quantities or frequencies are exceeded, I or unlisted chemicals are discharged, no significant adverse environmental impacts have been noted or are expected.

I In general, most of the chemicals wiI1 not be discharged in their original composition since chemical reactions wilI take place during their residence time in the various systems.

Chlorine The average amount of chlorine used at +he OCNGS on days of I chlorination during the report period was approximately 565 lbs., with 820 lbs. per day being the maximum daily discharga allowed from the main condenser discharge by the NPDES Permit issued to the OCNGS by the U.S. Environmental Protection Agency. Although most of this I chlorine is used in the main condenser cooling system, some is injected into the turbine building closed cooling water (TBCCW) and reactor building closed cooling water (RBCCW) systems service water I heat exchanger f lows and the emergency service water system heat exchanger flow. Regarding the main condenser, each of the six condenser sections is sequentially chlorinated for 20 minutes every four hours when chlorination is necessary. Thus, chlorine can be released for 12 of every 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> with +wo hours of no discharge between releases. This chlorinated water is discharged to the station's discharge canal.

The Oyster Creek FES values for the quantity of chlorine injected (up to 2000 lbs per day) and duration of chlorine addition (3.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> of every 4) are higher than those in use during the reporting period (see FES, Section 3.6).

Although chlorine may be added to the cooling water flow of the liquid radwaste/ augmented of f gas treatment system for control of organismic growth on the heat exchanger piping, none has been added to date. The planned chlorirL dosage is approximately 25 pounds per day to be added during four periods. Each period will last about 20 minutes with I approximately six hours between the start of each dose. This water is discharged to the station's intake cana! . Due to the low dosage, no adverse environmental impacts are expected from this chemical. The potential for the use of this chemical at this facility was not I identified in the FES since this system was installed after the FES was issued.

I I -168-I

I I Chlorine (Sodium Hypochlorite)

Sodium hypochlorite is added to +he sewage treatment plant effluent continuously at the rate of approximately 60 !bs per month, or approx imatel y 2 lbs per day. The sewage treatment plant effluent is discharged to the station's discharge canal via a 30-inch diameter I- discharge pipe.

A smal l amount of this chemical is used to purify station domestic adter. Some of this treated water will be discharged (mostly via sewage system), so a small amount of ch lori des wi l l be added to the discharge in this way.

The FES included an average value of 1.5 mg/1 total residual chlorine for the discharge of this chemical from the sewage treatment plant.

I Since the purpose of this addition is to ki l l pathogenic organisms, and this addition is required by the treatment p l ant's l icense +o operate (required range is 1.0-2.5 mg/1), and in view of its very low concentration in the 30-inch discharge water pipe, no adverse environmental impacts have been noted or are expected.

Sulfuric Acid Sulfuric acid is used for the regenerations of the makeup water and condensate demineralizers and in the radwaste treatment system.

However, only the wastewater from the makeup demineralizer I regenerations is discharged to the environment. The wastes from the condensate domineralizer regenerations and the radwaste treatment system become part of the radwaste that is shipped in casks for offsite burial.

The quantity of sulfuric acid discharged to the environment is approximately 175 gallons per month, which is less than that discussed I in the FES. The acid released by the regenerations is diluted by several hundred gal lons of wastewater in a sump prior to its release to a 30-inch diameter discharge pipe. This pipe also receives several other f lows, primarily the RBCCW heat exchanger flow, which is a I constant flow of either 6,000 or 12,000 gpm of intake canal water depending on whether one or both pumps are operating. This RBCCW heat exchanger flow ensures sufficient dilution of the sulfuric acid so I that it shou ld have no signi ficant influence on the discharge canal .

In addition, chemical reactions take place while the dilution occurs, thus the discharge to the environment is not 175 gallons of pure acid.

The products of these reactions should be various sul f ate compounds that will be formed while mixing with the salt water from the RBCCW heat exchanger flow. The additional sulfates should not be detectable over the ambient concentration in the salt water.

Sodium Hydroxide (liquid)

Liquid sodium hydroxide is also used for the regenerations of +he makeup water and condensate demineralizers and in the radwaste treatment system.

I

-169-

I I The wastes from the condensate demineralizer regenera+1ons and the radwaste treatment system become part of the radwaste tha+ is shipped

'I in casks for of f site burial, so only the was+ewater from the makeup demineralizer regeneration is discharged to the environment.

I The quantity of caus+1c discharged to the environment is approximately 380 gallons per month which is less than that discussed in the FES.

As with the sul furic acid used in this process as described above, the caustic is further diluted first in a sunp, then by the RBCCW heat I exchanger flow, prior to its discharge to the environment. Similarly, it should have no significant impact on the discharge canal, instead of additional sulfates, the caustic will add sodium to the I environment. When compared to ambient concentrations in the salt water of the RBCCW heat exchanger flow, the addition should be undetectable.

Auxiliary Boller Add!tives Tri-sodium phosphate and sodium sul fite are added to the auxiliary I (heating) boiler on a daily basis at the rate of about one pound per day per chemical . There is a boiler blowdown that occurs three times per day (once per shift) for five mnutes each time. The total quantity of blowdown, which is approximately 2250 gallons per day, is I discharged to the station's discharge canal via the 30-inch diameter discharge pipe discussed above for sul furic acid and liquid caustic.

I The quantity of chemcial added is about four times that listed in the FES. Ebwever, the dilution obtaind in the 30-inch water line from the RBCCW heat exchanger flow and other flows should ensure that there is no sigr.i f icant env i ronmental impact from the additional amount added I to the auxil iary boi ler.

Hydrazine (Amerzine)

Hydrazine (Amerzine) is used for corrosion control in the station's closed cooling water systems, such as the RBCCW and TBCCW, since the cool ing water in each system is recycled. Each of the closed cooling I water systems is, in turn, cooled by its own heat exchanger system, which uses intake water in a once-through cooling mode before discharging the flow +o the discharge canal .

Although these closed cooling water systems are not designed to have a discharge, some minor system leakage does occur. Any leakage that may occur would be released into the associated heat exchanger cooling I flow. The total leakage is small enough that the OCNGS needs to add only about 5-10 gallons of hydrazine per month in order to compensate for the quantity leaked. The release of this chemical was not disc. ssed in the FES.

In the case of the 'BCCW, the heat exchanger cool ing f low is 10,000 gpm on a constant basis, and combines with the main condenser cooling I flow of up to 450,000 gpm prior to discharge to the environment. The RBCCW heat exchanger flow is either 6,000 or 12,000 gpm on a constant basis, depending on how many pumps are operating.

I -170-I

M

.here fore , due to the dil ution encountered, +he hydrazi ne los+ from

+he various closed cooling water systems should be undetectable in the station's discharges. There has been no evidence of an adverse l environmental impact resulting from +he releases of hydrazine.

L F

I I

I I -171- .

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Table 4-6 Chemical Usage ChemMal System Released From Amount Released *

[ Chlorine Chlorine Main Condenser 48,000 lbs.

(Sodium Hypochlorite) Sewage Treatment 750 lbs.

Sulfuric Acid Demineralizer 2,085 lbs.

Sodium Hydroxide (liquid) Demineralizer 4,575 lbs.

Tri-Scdium Phosphr.te Auxiliary Boiler (Heating) 350 lbs.

~

Sodium Sulfite Auxiliary Boiler (Heating) 350 lbs.

Hydrazine (Amerzine) Closed Cooling Water Systems 70 3al.

• Amount released during reporting period (1/1/81-12/31/81)

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Table 4-7 Chemical Discharge Frequency Chemical Frequency of Discharge Duration of Each Discharge Chlorine 6 per day 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> Chlo rine (Sodium Hypochlorite) Continuoug continuous Chlorine (Radwaste) 4 per day 20 minutes 3

Sulfuric Acid 9 per month 3 30 minutes Sodium Hydroxide 9 per month I hour Tri-Sodium Phosphate 3 per day 5 minutes Sodium Sulfite 3 per day 5 minutes Hydrazine (Amerzine) random random 1

Frequency during days of chlorination; however, station condenser is not chlorinated every day.

2 Not used to date 3

Average I

I I -17 3 -

I

I 4.5 Unusual or important Environmental Events There were no unusual or important environmental events as per Section 4.5 of OCETS this reporting period at the OCNGS.

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l 5.0 Addi+1cnal Information This Section of +he AEOR is included in order +o report any additional information that is required. ]

l Section 5.6.1 of the OCETS requires a summary of: l l A. All OCETS non-compliances and the corrective action taken to remedy I them.

B. Changes made to State and Federal permits and certificates which pertain to the requirements of OCETS.

l C. Changes in station design which could involve an environmental impact.

D. Changes to OCETS 5.1 Summary of OCETS Non-compliances During the reporting period there were seven (7) Nonroutine Environmental Operatna Reports flied with NRC. Each one is summarized below.

A. Report tb. 50-219/81-1 f

Date and time of occurrence: @ril 15, 1981 at 0109 hours0.00126 days <br />0.0303 hours <br />1.802249e-4 weeks <br />4.14745e-5 months <br /> and April 16, 1981 at 1008 hours0.0117 days <br />0.28 hours <br />0.00167 weeks <br />3.83544e-4 months <br />.

Descr i p t ion: On April 15 at 0109 hours0.00126 days <br />0.0303 hours <br />1.802249e-4 weeks <br />4.14745e-5 months <br /> dil ution pump 1-3 was manually tripped due to low gear box oil pressure. An immediate attempt was made to start dil uton pump 1-1, but failed due to the faulty seal water flow switch. Jumpers were placed around the switch and dil ution pump 1-1 was started at 0545 hours0.00631 days <br />0.151 hours <br />9.011243e-4 weeks <br />2.073725e-4 months <br />. Total time of non-comp!!ance was 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> and 21 minutes. On April 16 l

I the seal water suction inlet plugged with grass. Dil etion pumps 1-1 and 1-2 tripped at 1008 t urs. Operators cleared the inlet and started dilution pump 1-1 at 1020 hours0.0118 days <br />0.283 hours <br />0.00169 weeks <br />3.8811e-4 months <br />. Dilution pump 1-2 was started two minutes later, but an associated transient tripped pump 1-1. A pressure switch across the t ube oil cooler was reset and dilution pump 1-1 was restarted at 1042> hours. Timo of non-compfIance was 5 minutes.

Corrective Action: Immediate corrective action consisted of M Jumping the flow switch and restarting pump 1-1 on April 15 at 0545 hours0.00631 days <br />0.151 hours <br />9.011243e-4 weeks <br />2.073725e-4 months <br />. On April 16 corrective action was resetting the lube o1I cooIer switch on dIiution pump 1-1 and restarting the pump at 1042 hours0.0121 days <br />0.289 hours <br />0.00172 weeks <br />3.96481e-4 months <br />. Long term action involves a total dilution pump Improvement program, as per a submittal to the Nuclear Regulatory Corrmission on July 1,1931. The program is designed to improve j their reliability and operability and is in progress. This

!I includes upgrading of the dilution pump seal water and l ubricatng oil cooling water systems, pipe ! Ine strainers, pipe and heat l

tracing and overhaul of dilution pumps.

1 1

I -175-I

I I

B. Report ib. 50-219/81-2 l

• Date and time of occurrence: July 29, 1981 at 1512 hours0.0175 days <br />0.42 hours <br />0.0025 weeks <br />5.75316e-4 months <br />

g De scr i p t i on

Dilution pump 1-1 was inoperative due +o motor j malfunction. At 1512 hours0.0175 days <br />0.42 hours <br />0.0025 weeks <br />5.75316e-4 months <br />, dilu+Icn pump 1-3 tripped off l etzv i ng only dilution pump 1-2 in operation. At 1538 hours0.0178 days <br />0.427 hours <br />0.00254 weeks <br />5.85209e-4 months <br />, dilu+ ion pump 1-2 tripped off and was returned to service at 1546 hours0.0179 days <br />0.429 hours <br />0.00256 weeks <br />5.88253e-4 months <br />. Total time of non-compliance was 1 minute.

Corrective action: Immediate corrective action involved restarting dilution pumps 1-2 and 1-3. Long term action involves a total dilution pump improvement program, as per a submit +al to the Nuclear Regulatory Comission on July 1, 1981. The program is designed to improve their reliability and operability and is in j progress. This includes upgrading of the dilut an pump seal water a and lubricatng oil ecoling water systems, pipe line strainers, pipe and heat tracing and overhaul of dilution pumps.

C. Report No. 50-219/81-2-3 Date and time of occurrence: tbvember 28, 1981 at 2155 hours0.0249 days <br />0.599 hours <br />0.00356 weeks <br />8.199775e-4 months <br />

Description:

At 2155 hours0.0249 days <br />0.599 hours <br />0.00356 weeks <br />8.199775e-4 months <br /> dil ution pump 1-1 tripped of f leaving only Jilution pump 1-3 in operation. The cause of the trip was attributed to the pump impeller coming loose and dropping off its housing. Duration of non-comp!!ance was five (5) hours and one (1) minute.

Corrective Action: Immediate corrective action included putting dilution pump 1-2 in operation. Long term action involves a total dilution pump Improvement program, as per a submittal to the Nuclear Regu latory Commission on Jul y 1,1981. The program is I designed to improve their reliability and operability and is in progress. This includes upgrading of the dilution pump seal water and lubricatng oil cooling water systems, pipe line strainers, pipe and heat tracing and overhaul of dilution pumps.

D. Report tb. 50-219/81-4-2 Date and time of occurrence: November 23, 1981 at 1127 hours0.013 days <br />0.313 hours <br />0.00186 weeks <br />4.288235e-4 months <br />

Description:

At 1127 hours0.013 days <br />0.313 hours <br />0.00186 weeks <br />4.288235e-4 months <br /> on November 24 dilution pump 1-2 tripped off leaving onty diiution pump 1-1 in operatlon. The cause was unknown but is believed to be a combination of high lubricating oil temperature and low seal water pressure. Dilution pump 1-3 was put into service at 1205 hours0.0139 days <br />0.335 hours <br />0.00199 weeks <br />4.585025e-4 months <br />. Duration of non-compllance was 23 minutes.

Corrective Action: Immediate corrective action involved starting dilution pump 1-3. Long term action involves a total dilution l

I pump improvement program, as per a submittal to the Nuclear Regu l atory Com i ss ion on Ju l y 1, 1981. The program is designed to improve their reliability and operability and is in progress.

l l

I -176-

I I This includes upgrading of the dilution pump seal water and lubricatng oil cooling water systems, pipe line strainers, pipe and heat tracing and overhaul of dilution pumps.

E. Report tb. 50-219/81 2 Date and time of occurrennce: December 2, 1981 0729 and 0907 hours0.0105 days <br />0.252 hours <br />0.0015 weeks <br />3.451135e-4 months <br />

Description:

At 0729 hours0.00844 days <br />0.203 hours <br />0.00121 weeks <br />2.773845e-4 months <br /> on December 2,1981 di!utIon pump 1-2 tripped off, leaving only dilution pump 1-3 in operation. At 0758 hours0.00877 days <br />0.211 hours <br />0.00125 weeks <br />2.88419e-4 months <br />, dilution pump 1-2 was restarted and returned to service.

At 0907 hours0.0105 days <br />0.252 hours <br />0.0015 weeks <br />3.451135e-4 months <br /> dil ution pump 1-2 tripped of f and at 0930 hours0.0108 days <br />0.258 hours <br />0.00154 weeks <br />3.53865e-4 months <br /> it was returned to serv ice. Total time of non-comp!!ance was 22 minutes. The pump trips were caused by high !ube oil temperatures. The high tube oil temperature in the second trip was caused by a clogged strainer screen. it would appear that this also caused the high lube oil temperature which caused the first trip.

Corrective Action: Immediate co'rrective action involved cleaning of the strainer screens and returning pump 1-2 to service. Long term action involves a total dilution pump improvement program, as per a submittal to the Nuclear Regulatory Commiss8cn on July 1, 1981. The program is designed to improve their reliability and operability and is in progress. This includes upgrading of the I dilution pump seal water and lubricatng oil cooling water systems, pipe line strainers, pipe and heat tracing and overhaul of dilution pumps.

F. Report No. 50-219/81-6-2 Date and time of occurrence: November 21, 1981 at 1006 hours0.0116 days <br />0.279 hours <br />0.00166 weeks <br />3.82783e-4 months <br />

Description:

At 1006 hours0.0116 days <br />0.279 hours <br />0.00166 weeks <br />3.82783e-4 months <br /> on November 21 dilution pump 1-2 tripped out of service. The causo was unknown, but is believed to be high t ube oil temperature. At 1031 hours0.0119 days <br />0.286 hours <br />0.0017 weeks <br />3.922955e-4 months <br /> dilution pump 1-3 was put into service. Total time of non-compiance was 10 minutes.

Corrective Action: Immediate corrective action was starting I dil ution pump 1-3. Long term action involves a total dilution pump improvement program, as per a submittal to the Nuclear Regulatory Comission on July 1,1981. The program is designed to improve their reliability and operability and is in progress.

This includes upgrading of the dilution pump seal water and lubricatng oil cooling water systems, pipe line strainers, pipe and heat tracing and overhaul of dilution pumps.

G. Report tb. 50-219/81-7-1 Date and time of occurrence: December 7, 1981 1245 hours0.0144 days <br />0.346 hours <br />0.00206 weeks <br />4.737225e-4 months <br />

Description:

As a result of grass clogging the intake the volume of cooling water drawn in was reduced, but the amount of heat 177-l

rejected remained the same as normal f!ow conditions. During backwashing of the condenser +ubes, the power level was not reduced; as a result the 23*F AT was exceeded. At 1245 hours0.0144 days <br />0.346 hours <br />0.00206 weeks <br />4.737225e-4 months <br /> the AT was 24.6*F. The +emperature excursion was of limited duration and no harmful aquatic biological ef fects were observed.

Correc+1ve Action: Operations +ook steps to correct the situation by initiating load reduction until the station was in compliance with the limiting condition.

5.2 Summary of Changes Made to Federal and State Permits Which Per+ain to the Requirements of OCETS There were no changes made to Federal or State permits or certificates during this reporting period which pertain to the requirements of OCETS.

5.3 Summary of Changes in Station Which Could Involve an Environmental Impact There are three sIgnifIcant changes in the station which wiII have an environmetal impact. The first is the completion of the sewage transfer Iine. This Iine wiII transport alI domestic sewage from the OCtGS to Lacey Municipal Utilities Authority Interceptor, and the onsite STP will be abandoned. This will be a highly positive impact since the STP had a history of being hydrau f icalIy overIoaded.

The second change involves the dilution pumps. As detailed in letters to the NRC dated July 1, 1981 and September 3, 1981 items have been ordered and work has begun to improve the reliability and operation of I the dilution pumps.

August 1983.

Completion of this program is scheduled for The third item is the implementation of the Resource Conservation and I Recovery Act (RCRA) at the OCNGS. This program involves the handling of those wastes deemed hazardous by the Act. The program will include personnel training, site inspection and tracking of the waste through final disposal.

5.4 Summary of Changes to OCETS There was one amendment to OCETS, Amendment #56 which became ef fective September 2, 1981. The amendment approved the foilowing changes:

1. Biological monitoring programs under Section 3.1.2A and 3.1.3C I have been suspended. These are the General Ecological Survey Program and the Entrainment of Organisms Study, respectively.

I 2. The on site meteorological program, Section 3.3 has been deleted since it is duplicated in Appendix A.

l I 3. Editorial corrections required because of inconsistencies or redundancies.

-178-I

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