TagPollution Control Hearings Board(1532)

An email from Bill Rozeboom to Kevin Fitzpatrick asking whether a response has been provided to comments submitted on July 31 regarding the SeaTac International Airport Industrial Wastewater System (IWS) Lagoon #3 Expansion Project. The embedded original July 31 email contains detailed technical comments on design documents, raising concerns about lagoon sizing, potential overflow into

Email chain dated September 5-6, 2000, among Raymond Hellwig, Chung K. Yee, Kevin Fitzpatrick, and Tom Luster (Washington State Department of Ecology Water Quality Program) and paralegal Andrea Grad (Helsell Fetterman) on behalf of ACC (Airport Communities Coalition). Discusses use of contaminated fill for Port Of Seattle Sea-Tac Airport Third Runway project, Method A soil

A biological assessment letter from Columbia Biological Assessments to the Washington Department of Ecology evaluating the Port of Seattle’s revised plans to use City of Seattle drinking water to augment summer low flows in Des Moines Creek. The letter raises concerns about residual chlorine and chlorinated by-products, fluoride toxicity to fish and aquatic life, and

Technical memorandum dated September 5, 2000 from Elizabeth Leavitt (Port Of Seattle) to Ray Helwig (Washington State Department of Ecology), cc’d to Erik Stockdale, Nancy Groves (Ecology), Jim Kelley and Paul Fendt (Parametrix), Project No. 556-2912-001(03). Addresses CWA Section 401 permit issues for Seattle-Tacoma International Airport Master Plan Update projects involving wetlands and streams. Topics

Draft subsurface conditions data report prepared by HartCrowser for HNTB regarding the Third Runway Embankment at Sea-Tac International Airport, project numbers J-4978-23, -26, -27, and -31. Covers additional field explorations and advanced geotechnical testing including auger borings, standard penetration tests (SPT), Shelby tubes, pocket penetrometer, test pits, piezocone penetrometer probes, cone penetration tests (CPT), and

A letter from Azous Environmental Sciences to regulatory agencies analyzing the wetland mitigation plan proposed by the Port of Seattle for impacts from the SeaTac Third Runway construction. The report identifies numerous errors in wetland acreage accounting, inadequate mitigation ratios, and out-of-basin mitigation that fails to meet Washington State Department of Ecology standards for no

Reinforced Earth Company (job number 8079, designer MJB, dated 09/01/00) design calculations for Port Of Seattle Sea-Tac International Airport, West Wall 181+25. Document covers internal and external stability analysis for a Mechanically Stabilized Earth (MSE) retaining wall structure including design parameters (select backfill φ=37°, γ=0.140 kcf, Ka=0.24858; random backfill φ=35°, γ=0.140 kcf, Ka=0.27269; foundation φ=35°,

A preliminary design report prepared by Kennedy/Jenks Consultants for the Port of Seattle regarding flow augmentation of Des Moines Creek at Seattle-Tacoma International Airport. The report covers facility configuration, process components including backflow prevention, dechlorination, and aeration systems, as well as an evaluation of dechlorination chemical alternatives.

AR017487. Email from Chung K. Yee (Ecology, NWRO Water Quality Program) to Kevin Fitzpatrick dated August 24, 2000, commenting on draft clean fill criteria language for the 401 Certification for the Third Runway at Sea-Tac Airport. Comments address sections E6, E7c.2.(b), E7c.2.(e), and E7c.3, covering inappropriate fill, EPA databases, Confirmed & Suspected Contaminated Sites Report,

Internal email chain from Chung K. Yee to Kevin Fitzpatrick (Supervisor, Industrial Permit Unit, Water Quality Program, NWRO, Washington Department of Ecology) dated August 24, 2000, commenting on draft clean fill criteria language for the 401 Certification for the Third Runway at Sea-Tac Airport. Comments address sections E6, E7c.2(b), E7c.2(e), E7c.2(f), and E7c.3, covering issues