EXH0150018276

PCHBPollution Control Hearings Board of the State of Washington

Attached are the revised 401 conditions. I still need to go through Eriks old memo, and your revisions to my original comments. I am still going to try to get some information on stream monitoring. I will try to get it before the end of the day. Hope all is well, hang in there. I will be reviewing the memo and comments tomorrow, so feel free to call Me at home if you have any questions. 206-367-2023. Katie .-C_ AR 018276 t DOE8/Z3/OZ0387 XiO "" gill SHANNON S WILSON. INC.GEOTECHNICAL AND ENVIRONMENTAL CONSULTANTS MEMORANDUM 400NORTH34THSTREET-SUITE100 SEATTLE PO. BOX300303 RICHLAND SEATTLE,WASHINGTON98103 FAIRBANKS 206-632-80_ ANCHORAGE TD0:1-800-833-6388 SAINTLOUIS BOSTON _:AX:206-633-6777 DELIBERATIVE - DO NOT DISCLOSE TO: Ann Kenny, Washington StateDepartment of Ecology FROM: KatieWalter DATE: August 3, 2001 RE: DRAFT 401 CONDITIONS FOR THE PORT OF SEATTLE NRMP AUBURN MITIGATION SITE REVISIONS i_ 1. The revised gradingplan (June 28, 2001) shows a culvert in the northwest comer of the ' site in the proposed new drainageswale. The culvert will pass flows under the site access path. The drawing shows this culvert approximately 60 feet long, passing under a path that is only approximately 15 feet wide. This culvert should be no longer than is necessary to pass the water underthis pathway. 2. The revised gradingplan (June28, 2001) shows a culvert in the south central portion of the mitigation site. This culvert appearsto be mis-located. It appearsthat the culvert should be shown in the wetland directly east of the shown location, where the wetland…
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