EXH1298052285A

The Port of Seattle presents the attached documents to the Washington Department of Ecology in satisfaction of the above noted Order, Condition F. 1. Condition F. 1 requires, among other things, that the Port prepare "proposed construction BMPs to prevent interception of contaminated ground water by utility corridors and a plan to monitor potential contaminant transport to soil and ground water via subsurface utility lines". Please review the two attached documents, Proposed Construction BMPs To Prevent Interception of Contaminated Ground Water by Utility Corridors, and Plan to Monitor Potential Contamtncmt Tranxport to Soil and Ground Water via Subsurface Utility Lines. If you have any questions or comments, please feel free to refer comments and questions to Paul Agid, 206-439-6604, aod.DC_ortseattle.om. Sincerely, Elizabeth Leavitt Manager, .Aviation Environmental Programs / xc: Agid, Newion Seattle-Tacoma InternationalAirport p.O. Box 68727 s,,,,,,,wA a,68u.s.,,. AR 052285.01TELEX;'03433 FAX(206)431-5912 1298 Seattle Tacoma Intemational Airport _401 Water Quality Certification#1996-4-02325 ConditionF.1 ProposedConstructionBMPs To Prevent Interceptionof Contaminated GroundWater byutimyCorridors In accordance with the WashingtonState Departmentof Ecology(Ecology)Water Quality Certificationfor U.S. ArmyCorps of EngineersPublic Notice 1996-4-02325, Condition F. 1, the Portof Seattle (Port) submitsthis proposalfor Best Management Practices (BMPs) for prevention of migrationof contaminatedgroundwater via subsurfaceutily lines at the Seattle-Tacoma IntemationalAirport (STIA). A draft of this BMP proposalis due to Ecologyno later than September 30, 2001. Best Management Practicesfor preventionof migrationof contaminated groundwater by newly constructedutilitycorridorswill consist of. and will be implementedby modificationof standard utilityconstructiondesign guidelinesand specifications.The followingconstructiontechniques will be specifiedfor future constructionof subsurface utilitiesbelow paved areas inthe principal aviation operationsand maintenance area…

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PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
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 [...]