HBL-89-020, Annual Survey & Facility Status Rept,880719-1231

Annual Survey & Facility Status Rept,880719-1231

ML20247G021
Person / Time
Site:	Humboldt Bay
Issue date:	12/31/1988
From:	Shiffer J PACIFIC GAS & ELECTRIC CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
HBL-89-020, HBL-89-20, NUDOCS 8904040098
Download: ML20247G021 (7)

Text

'

e. PG&E Letter No. H3L-89-020 ENCLOSURE HUMBOLDT BAY POWER PLANT UNIT 3 ANNUAL SURVEY AND FACILITY STATUS REPORT JULY 19, 1988 THROUGH DECEMBER 31, 1988 9904040098 890329  %

DR ADOCK05000]3 2591S/0067X l

c .

,. . .' PACIFIC GAS AND ELECTRIC COMPANY l I

DOCKET NO. 50-133 i LICENSE NO. DPR-7 ANNUAL SURVEY AND FACILITY STATUS REPORT FOR HUMBOLDT' BAY POWER PLANT UNIT 3 COVERING THE PfAIOD JULY 19, 1988 THROUGH DECEMBER 31, 1988 j l

'This report describes the status of the facility,- and presents- the results of facility measurements that are required to be reported annually. This report is required by Section VII.H.1 of the Humboldt Bay Power Plant Unit 3 Technical Specifications, and covers the period of July 19, 1988 through' December. 31, 1988.

A. FACILITY STATUS Amendment No. 23 to Facility License No. DPR-7 was issued on July 19, 1988. This amendment established the facility in a SAFSTOR status, and incorporated revised-Technical Specifications. This report includes the portion of 1988 that the facility was covered by the SAFSTOR Technical Specifications.

i B. MEASUREMENT RESULTS

1. The Technical Specifications-(Section V.A.4) describe four offsite )

environmental monitoring stations.Section V.B.4 requires (for TLDs) I that the average and maximum values for the monitoring results be reported annually. These data are reported in Table 1.

2. The Technical Specifications (Section V.A.6) describe onsite environmental monitoring stations.Section V.B.6.b requires that (for TLDs) the average and maximum values for the_ monitoring results be reported annually. These data are reported in Table 2.

3. The Technical Specifications (Section V.A.6) describe a continuous sampler for water in the discharge canal.Section V.B.6.a requires l that (for other than dip samples) the average and maximum values for 1 the monitoring results be reported annually. The results of samples of the discharge canal are sunnarized in Table 3.

4. The Technical Specifications (Section V.A.6) describe five groundwater monitoring wells constructed in the vicinity of Unit 3. i Section V.B.6.c requires that the average and maximum values for the monitoring results (gross alpha, gross beta, total gamma activity and tritium) be reported annually. These data are reported in Table 4.

5. The Technical Specifications (Section VI.B.I.c) require that the ,

caisson sump water be sampled and analyzed monthly.(for total alpha, beta and gamma activity), and that the average and maximum values for the results be reported annually. These' data are reported in Table 5.

~

I 2591S/0067K.

v 1 .

. ~. .

l TABLE 1 1

0FFSITE ENVIRONMENTAL MONITORING STATIONS TLD Exoosure Measurements (mrem)

Third Fourth Station Quarter Quarter Number (1988) (1988)  ;

1 1 9.6 8.2 ]

2 10.1 10.1 l 14 9.4 8.0 j 25 9.8 8.4 )

Calculated Parameters (mrem) {

Third Fourth )

Quarter Quarter {

Parameter (1988) (1988)

Average 9.7 8.7

! Maximum 10.1 10.1

)

l l

l l Note:

1. The Station 2 dosimeter was left at the station for two quarters. The resulting total exposure was split equally between the two quarters.

l l

l l 2591S/0067K c___------_-_-_---_ n

TABLE 2 ONSITE ENVIRONMENTAL HONITORING STATIONS TLD Exoosure Measurements (mrem)

Third Fourth Station Quarter Quarter Number (1988) (1988)

T1 14.6 9.7 T2 14.1 10.6 T3 13.6 7.8 T4 13.5 10.0 T5 14.4 8.6 T6 13.9 9.4 T7 14.7 9.7 T8 13.9 8.1 T9 13.9 8.9 T10 16.0 8.1 T11 8.4 8.9 T12 8.8 9.3 T13 8.8 9.3 T14 8.8 9.1 T15 9.3 9.1 T16 9.1 9.3 Calculated Parameters (mrem)

Third Fourth Quarter Quarter Parameter (1988) (1988)

Average 12.2 9.1 Maximum 16.0 10.6 2591S/0067K

- _ - - - - - _ - - - - - - _ - - - - - - - o '

' TABLE 3 DISCHARGE CANAL SAMPLE RESULTS Sample Gamma Activity Tritium Activity Date oCi/L nCi/L 07/21/88 Not Detected Not Detected 07/28/88 Not Detected Not Detected 08/04/88 Not Detected Not Detected 08/11/88 Not Detected Not Detected 08/18/88 Not Detected Not Detected 08/25/88 Not Detected Not Detected 09/01/88 Wot Detected Not Detected 09/08/88 Not Detected Not Detected 09/15/88 Not Detected Not Detected 09/22/88 Not Detected Not Detected 09/29/88 Not Detected Not Detected 10/06/88 Not Detected Not Detected 10/13/88 Not Detected Not Detected 10/20/88 Not Detected Not Detected 10/27/88 Not Detected Not Detected 11/03/88 Not Detected Not Detected 11/10/88 Cs-137 2.410.8 Not Detected 11/17/88 Not Detected Not Detected 11/24/86 Not Detected Not Detected 12/01/88 Not Detected Not Detected 12/08/88 Not Detected Not Detected 12/15/88 Not Detected Not Detected 1 12/22/88 Not Detected Not Detected '

12/29/88 Not Detected Not Detected I

Gamma Activity Tritium Activity Calculated Parameters DCi/L nCi/L Average Of Composites Cs-137 2.410.8 Note 4 Haximum Of Composites Cs-137 2.4 0.8 Note 4 1

J Notes:

1. The sample date is the end of the weekly sample period,'or the date of a dip sample (for periods when the composite sampler was not operable).

2. Gamma measurements are performed on the original sample, with results corrected to the time of sampling.-Naturally occurring isotopes are not reported. The maximum lower limits of detection (LLDs) for Co-60, Cs-134 and Cs-137 are 16, 15 and 18 pCi/L, respectively.

3. Tritium analysis is performed on a measured aliquot of distilled sample. The LLD for the analysis is 0.5 nCi/L.

4. Average and maximum values are based only on reported values for composite samples. 'Not Detected' samples and dip samples are not included.

2591S/.0067K

(

_ . . _ _ _ _ _ _ . _ _ _ . _ _ - - - - - - m--m

i l

TABLE 4 GROUNDWATER HONITORING HELL RESULTS Alpha Beta Gamma Tritium Honitor Sample Activity Activity Activity Activity 1 Hell No. Date' oCi/L DCi/L oCi/L _pci/L j MH-1 09/10/88 <3 <4 Not Detected <500 I HH-2 09/10/88 <3 <4 Not Detected <500' f HH-4 09/10/88 <3 (4 Not Detected <500 MH-6 09/10/88 <3 513 Not Detected <500 MH-11 09/10/88 <10 <14 Not Detected 2580 285 MH-1 12/07/88 <3 612 Not Detected <500 MH-2 12/07/88 <3 <4 Not Detected <500 MH-4 12/07/88 <3 <4 Not Detected <500 MH-6 12/07/88 <3 <4 Not Detected <500 MH-11 12/07/88 <3 813 Not Detected 26201380 Al phc. Beta Gamma Tritium j Calculated Parameters Activity Activity Activity Activity (By Monitor Hell No.) DCi/L oCi/t oCi/L oCi/L  !

Average: HH-1 Note 2 62 Note 2 Note 2 Average: HH-2 Note 2 Note 2 Note 2 Note 2 Average: MH-4 Note 2 Note 2 Note 2 Note 2 Average: HH-6 Note 2 53 Note 2 Note 2 -

Average: HH-11 Note 2 813 Note 2 2580 Maximum: HH-1 Note 2 612 Note 2 Note 2 ,

Maximum: HH-2 Note 2 Note 2 Note 2 Note 2  :

Maximum: HH-4 Note 2 Note 2 Note 2 Note 2 i Maximum: HH-6 Note 2 513 Note 2 Note 2 Haximum: HH-11 Note 2 83 Note 2 2620 l j

1 I

Notes:

1. Gamma measurements are performed on the original sample, with results corrected to the time of sampling. Naturally occurring isotopes are not reportea. The maximum lower limits of detection (LLDs) for Co-60, Cs-134 and Cs-137 are 16, 15 and 18 pCi/L, respectively.

2. Average and maximum values are based only on reported values. 'Not Detected' results and 'Less Than' results are not included.

1 1

2591S/0067K i t

_ _ _ _ _ _ _ _ - _ _ l

, , r*J l I

TABLE 5 CAISSON SUMP SAMPLE RESULTS l 1

Sample Alpha Activity 8 eta Activity Gamma Activity Date DCi/L oCi/L oCi/L 08/01/88 Not Detected Not Detected Not Detected' 08/24/88 Not Detected Not Detected Not Detected 09/21/88 Not Detected Not Detected Not Detected 10/19/88 Not Detected 219 Note 1 i 11/16/88 Not Detected Not Detected Not Detected  :

12/10/88 Not' Detected .Not Detected Not Detected j l

l l

Calculated Alpha Activity Deta Activity Gamma Activity Parameters DCi/L oCi/L DCi/L jl Average . Note 4 219 Ci:112 Co-60 i Maximum Note 4 219 21.6 30.3 1 21.6 30.3 i Notes:

1. The reported results for the sample of 10/19/88 were 21.6 and 30.3 pCi/L for Cs-137 and Co-60, respectively.

2. Camma measurements are performed on the original sample, with results corrected to the time of sampling. Naturally occurring isotopes are not i reported. The typical lower limit of detection (LLD) for Co-60 and Cs-137 gamma activity is approximately 20 pCi/L.

3. Alpha /8 eta analysis is performed on a measured aliquot of sample. The typical LLD for the analysis is approximately 400 pCi/L and 2000 pCi/L for alpha and beta, respectively.

4. Average and maximum values are based only on reported values. 'Not l Detected' results and 'Less Than' results are not included. i l

2591S/0067K U ___ _ _ . _ _ - _ _ _ _ - - _ . _ _ _ _ _ _ _ _ _m..._-. . - _ __ . - _ _ - -_ - . _ _ _ __

a. . ., ,

4

. i . * - Pacific Gas and Electr!c Company 77 Beale Street . _ James D. Shiffer 1 San Francisco,CA 94106 Vice President ~

Nuclear Power Generation 4151972 7000 j

, TWX 9103726587 March 28, 1989 PG&E Letter.No..HBL-89-020 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Hashington,-D.C. 20555 Re: . Docket No. 50-133, OL-DPR-7

~

Humboldt Bay Power Plant, Unit 3 Annual Survey and Facility Status Report Gentlemen:

Enclosed is the Humboldt Bay Power Plant Unit 3 " Annual Survey and Facility Status' Report," for the period July 19, 1988 through December 31, 1988. This report is required by Section VII.H.1 of the Humboldt Bay Unit 3 Technical: Specifications and includes that portion of the year the facility was covered by the SAFSTOR Technical Specifications.

Kindly acknowledge receipt of this material on the enclosed copy of this letter and return it in the enclosed addressed envelope.

Sjncerely, J. D. Shiffer cc: P. Anderson P. B. Erickson J. 8. Martin P. Szalinski D. J. Homeldorf Humboldt Distribution Humboldt Service List Enclosure 2591S/0067K/RLK/1052 1

1 4 i I

\

L___ ..___________m_____________.,___._.____________________._._.m...