EXH0547023676

PCHBPollution Control Hearings Board of the State of Washington

- Port of SeattleDecember 7, 2OO0 - Mr. JohnW'mffetd Washington Department at Ecology R ",="C E I V E D Northwest Regional Office ' 3190 160th Avenue SE DEC 1 3 2000 Bellevue, WA 98008-5452 DEPT.OFECOLOGY Re: Seattle-Tacoma Interna_onal Airport GroundWater Study Agreed Order# 97TC-1Z2 Responseto Questions Received in November 16, 2000 Meeting Dear John: Thanks to you, Roger, Ching Pi, and Steve for meeting with us on November 16. The session was a valuable step in progressing withthe Ground Water Study. We are working onthe toeing notes, and will have them readyfor your review in a few days. Duringthe m_--_--ingyou provided two memoranda forour review. Thank you for passing on ' requests for additional inform_on. We have read through both the November 2 and the - November 13 memos from Roger to you and others,and hope that the following information satisfiesyour needs.. Response to November 2 memo on Aqreed Order task completion (Items numbered as in the November 2 memo.) 1. Research existing infotma_on...background hydrogeologicaldescription...; completed. • Agreed. Note, however, that to a limited degree we are adding new informstJonas it is generated by other constructionor other projects. New data are added only to the degree they describe locations or conditionsnot well represented in the database. 2. Research existing information...known areas of soil and ground water contamination.,.; coml_eted. • Agreed. 3. Research existing inform_on...potential unknown areas of soil and ground water contamir_on...; not complete. • Agree in pert, and disagree in pert. A detailed discussionfollows in the responseto the…
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