EXH0073017712

.... To: Ann Kenny I E_j_.B_,NO,__ I Cc: Ray Hellwig RogerNye John Wietfeld Steve Alexander From: Ching-PiWang C,_F_'Jj Date: June 22, 2001 Subject: TCPRecommendationsfor 401 certification 1. The Port of Seattle will develop a plan to monitor potential contaminant transport to soil and ground water via subsurface utility linesat the airport by September 14TM,2001. The plan is subject to approvalby the Toxics CleanupProgram, Northwest RegionalOffice. 2. The Port will administer and update periodically the contaminant database and contaminant mapsand figures for the airport. The database will be updated as new information is received. The maps and figures will be updated annually and delivered to the Toxics CleanupProgramin a report of findings for review. Examplesof maps • and figures are shown in attached technical memorandumdated June 21, 2001 and entitled "Anal_'sisof Preferential Ground Water Flow Paths Relative to ProposedThird Runway." 3. The Port will collect all new environmental data generated by construction ac,ivities, cleanup actions, or any other envirmm_ental investigations of soil ar:dgroundwater throughout the airport. The information will be used to update the contaminant database. The Port, airport tenants, and other entities conducting environmental investigations will continue to provide reports of ongoingcleanup actionsand any new contamination discovered to Ecologyas required by MTCA. + . AR 017712 P,._eI c_1 J)o_i_+J._,_I0734 EXH0073017712

Open full document

Upcoming Events

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 [...]