EXH2134034353

PCHBPollution Control Hearings Board of the State of Washington

- Sent: Tuesday, June 26, 2001 1:07 PM To: Fitzpatrick, Kevin Cc: Thompson, Craig E.; Kenny, Ann Subject: Acceptable Fill Criteria Language for Draft 401 Certification DELIBERATIVE DOCUMENT CURRENTLY EXEMPT FROM PUBLIC DISCLOSURE Attached is the draft fill criteria language. I have made major modifications to the initial draft. However, I did not change the soil sampling schedule because I don't have the proper basis. The TCP's recommended sampling schedule for petroleum- contaminated soil may too excessive for this project given the quantity of the fill. The fill criteria are based on: Method A table, 3-phase model protection of ground water, 3-phase model protection of surface water, PQL, natural background in Puget Sound, and/or Terrestrial Ecological Evaluation table Please review and comment. After your comments, I will forward the revised draft to the HQ TCP Policy for review. Things-to-do: I will need to double check the calculations and put together a supportingdocument for the above draft. Please note, because of the work load, I have shot pass the initial 3-day projection. L I Cle_nFilJCriteria _,r 40,.Ce... .... AR 034353 ECY00017521 E×hibit-2]34 Draft E6. Borrow Sites The use of imported fill for the proposed Third Runway embankment may result in impacts to wetlands or other waters of the state. To ensure compliance with measures designed to minimize potential impacts, the Port of Seattle shall submit borrow site clean fill certification documentation described in the following sections to the Department of Ecology for review and approval prior to fill placement. E7. Fill…
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