ML17285A462

Amend 1 to NPDES Permit Wa 002515-1,issued to Wppss,Revising Special Condition S1.B Re Effluent Limitations & Monitoring Requirements

ML17285A462
Person / Time
Site:	Columbia
Issue date:	04/24/1989
From:	Eschels C WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:
Shared Package
ML17285A461	List: ML17285A460 ML17285A462
References
WA-002515-1, WA-2515-1, NUDOCS 8905190190
Download: ML17285A462 (2)

Text

Page 1 of 2 Permit No. WA 002515-1 Issuance Date: 9-9-85 Expiration Date: 9-9-90 AMENDMENTNUMBER 1 NATIONALPOLLUTANT DISCHARGE ELIMINATIONSYSTEM WASTE DISCHARGE PERMIT State of Washington Energy Facility Site Evaluation Council Olympia, Washington 98504 In Compliance With the Provisions of Chapters 80,50 and 90.48 of the Revised Code of Washington as amended The Clean Water Act, as amended Public Law 95-217 WASHINGTON PUBLIC POWER SUPPLY SYSTEM 300 George Washington Way Richland, Washington 99352 NUCLEAR STEAM ELECTRIC GENERATING PLANT NO. 2 (WNP-2)

Amended section:

S1.

B. RECIRCULATED COOLING WATER BLOWDOWN PORTION OF OUTFALL DISCHARGE SERIAL NUMBER 001 AR ME R Daily Daily Minimum Sample Q~xim >~ ~vs~ ~Fr gunny (Nor u Temperature Total Residual 2 Times Per Chlorine(mg/l) 0.1 mg/P Chlorination Grab Continuous'~') N/A pH Flow 9.4 x 10'.0 Between 6.5 and 9.0 x 10~ ~ Continuous N/A ssoszs oslo svossv PDR ADOCK 05000397 (

'i P PNU

Page 2 of 2 Permit No. WA002515-1 Note 1 The temperature of the recirculated",cooling water-blowdown shall not exceed, at any time, the lowest temperature of the recirculated cooling water prior to the addition of the makeup water, except that the temperature of the blowdown may be less than the temperature of the river.

Note 2 Upon initiating chlorination, permittee shall terminate all discharges from the recir-culating water system to the receiving water until the total residual chlorine concen-tration has been at or below 0.1 mg/1 for 15 minutes.

Note 3 The total time during which pH'values are outside this range shall not exceed 7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> and 26 minutes in any calendar month, and no individual excursion shall exceed 60 minutes. No excursions greater than 10.0 or lower than 5.5 are allowed.

Note 4 Permittee shall include an alarm system for the pH control to provide an indication of any variance f'rom established limits.

Note 5 During a period of major dust storm'ctivity, daily average flow up to 5,6 MGD is allowed.

D d:

Curtis Eschels, Chairman Energy Facility Site Evaluation Council