Notes
Port Of Seattle internal memo dated 04/30/01 from Beth Clark to Paul Agid (cc: Elizabeth Leavitt, Jim Thomson) regarding rock aggregate imported from the Black River Quarry (King County, Washington), owned by Stoneway Rock & Recycling, used in the Third Runway embankment during August–October 2000. Documents AMEC and City Transfer Inc. (CTI) chemical testing for petroleum hydrocarbons (TPH-G, TPH-D, TPH-O) and total metals including copper; initial TPH results at 200–310 ppm exceeded MTCA Method A standard of 200 ppm but below new 2000 ppm standard effective August 15, 2001; ongoing sampling showed TPH up to 270 ppm attributed to asphalt recycling equipment contamination. Discusses Ecology contact Mr. Chung Yee review of Port’s Third Quarterly Report 2000, Method B standards using WAC 173-340-747 Three Phase Partitioning Model, and Stoneway operational modifications including equipment cleaning and discard of first 100 tons of crushed rock. AR 028046–028048.