EXH0024017305

Sent: Tuesday, June 26, 2001 1:07 PM £o: Fitzpatrick. Kevin C¢: 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 fillcriterialanguage.I havemade majormodificationsto the initialdraft.However,I didnotchangethe soilsamplingschedulebecauseIdon't havethe properbasis.The TCP'srecommendedsamplingscheduleforpetroleum- contaminatedsoilmay tooexcessivefor thisprojectgiventhe quantityof thefill. The fillcriteriaare basedon:MethodA table,3-phasemodel protectionof ground water,3-phasemodelprotectionof surfacewater,PQL, naturalbackgroundinPuget Sound,and/orTerrestrialEcologicalEvaluationtable Pleasereviewandcomment.Afteryourcomments,I willforwardthe reviseddraftto the HQ TCP Policyfor review. Things-to-do:Iwillneedto doublecheckthe calculationsand puttogethera supportingdocumentforthe abovedraft. Pleasenote,becauseof the workload,I haveshotpassthe initial3-dayprojection. CleanRIICrKeria for401Ce... AR 017305 ! I1()l_ 8,.g, lll 11"72 t 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, fo 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 Source/Documentation/Fill Criteria The Port of Seattle shall adhere to the following conditions to ensure that the fill placed fortheproposedThirdRunwayembankmentdoesnotcontaintoxicmaterialsintoxic amounts. EVa. Fill Sources Fill materials for the proposed Third Runway embankment shall be limited to the following three sources: • State.certified borrow pits • Contractor-certified construction sites • Port of Seattle-owned properties. E7b. Documentation No laterthan two (2) business days priorto the acceptance of fill materials for the proposed Third Runway embankment, the Port of Seattle shall submit to the Department of Ecology's Northwest Regional Office Water Quality Program for review…

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Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]