GO2-07-078, Submittal of the 2006 Annual Environmental Operating Report

Submittal of the 2006 Annual Environmental Operating Report

ML071280528
Person / Time
Site:	Columbia
Issue date:	04/30/2007
From:	Coleman D Energy Northwest
To:	Document Control Desk, NRC/NRR/ADRO
References
GO2-07-078
Download: ML071280528 (2)

Text

DW Coleman ENERGY Regulatory Programs P.O. Box 968, Mail Drop PE20 Richland, WA 99352-0968 Ph. 509-377-4342 F. 509-377-4317 dwcoleman@energy-northwest.com April 30, 2007 G02-07-078 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

Subject:

COLUMBIA GENERATING STATION, DOCKET NO. 50-397 2006 ANNUAL ENVIRONMENTAL OPERATING REPORT

Dear Sir or Madam:

This letter is submitted per the reporting requirements of Section 5.4.1 of the Columbia Generating Station Environmental Protection Plan (EPP; Appendix B to Operating License NPF-21).

There were no EPP noncompliances in 2006 and there were no design or operational changes or tests that involved an unreviewed environmental question. No non-routine nonradiological reports (within-the context of EPP Section 5.4.2) were required for 2006. A summary of the effluent data reported-to the State of Washington on the monthly discharge monitoring reports is attached.

There are no commitments being made to the NRC by this letter. Should you have any questions or desire additional information regarding this report, please call MP Hedges at (509) 377-8277 Respectfully, DW Coleman Manager, Regulatory Programs Attachment cc: BS Mallett - NRC RIV CF Lyon - NRC NRR NRC. Sr. Resident Inspector.- .988C RN Sherman - BPA1 399 WA Horin - Winston & Strawn

2006 ANNUAL ENVIRONMENTAL OPERATING REPORT Attachment Page 1 of 1 COLUMBIA GENERATING STATION COOLING WATER BLOWDOWN DISCHARGES, 2006 Days of pH TRC Maximum Discharge Volume Month Total Copper (millions of gallons)

Discharge Low High (mg/I) (pg/I) Ave* Max**

Jan 31 8.3 8.5 <0.1 34 4.2 5.8 Feb 28 8.3 8.7 <0.1 22 5.0 5.9 Mar 31 7.5 8.6 <0.1 31 4.7 5.8 Apr 30 8.1 8.5 <0.1 30 4.2 5.4 May 31 8.2 8.8 <0.1 39 3.6 6.6 Jun 30 8.1 8.6 <0.1 110 3.5 5.4 Jul 31 8.1 8.4 <0.1 70 2.4 3.6 Aug 31 8.1 8.3 <0.1 55 4.1 5.6 Sep 30 8.0 8.4 <0.1 46 4.0 5.3 Oct 31 8.1 8.5 <0.1 33 3.9 5.3 Nov 30 7.0 8.4 <0.1 28 1.6 2.9 Dec 31 8.3 8.4 <0.1 49 1.4 1.9 PermitIII Limit 6.5 9.0 0.1 5.6 9.4 Limit

• Average daily discharge during the month.

• • Maximum daily discharge during the month.

Copper limits are: 70 pg/I monthly ave, 108 pg/I daily max, Dec - Feb 223 pg/I monthly ave, 345 pg/I daily max, Mar - Nov