TagPollution Control Hearings Board(1532)

Draft Subsurface Conditions Data Report prepared by Hart Crowser for Port Of Seattle and HNTB, project number J-4978-23, dated April 7, 2000. Covers geologic and subsurface soil conditions, hydrogeologic conditions, auger borings, Standard Penetration Test (SPT) procedures, test pit excavations, and monitoring well installation for the South MSE (Mechanically Stabilized Earth) Wall and Adjacent Embankment

A memorandum from Parametrix, Inc. summarizing research into potential roof coverings to prevent zinc leaching from galvanized steel roofs of two warehouses at Sea-Tac Airport owned by the Port of Seattle. The document outlines paint systems and synthetic covering options, with cost estimates ranging from $21K-$240K for painting and $60K-$330K for synthetic coverings across the

Report prepared by Kevin V. Brix and David K. DeForest of Parametrix, Inc. for the International Lead Zinc Research Organization, International Copper Association, and Nickel Producers Environmental Research Association (NiPERA), April 2000. Reviews bioconcentration factors (BCFs) for metals including cadmium, copper, lead, nickel, silver, and zinc in aquatic organisms (fish, bivalves, invertebrates, algae, diatoms). Covers

This is a Washington State Department of Ecology Water Quality and SEA Programs Joint Policy (WQP Policy 1-22) establishing procedures for applying stormwater mitigation through supplemental treatment as a Best Management Practice. The policy defines how project compliance decisions will be made for permits covered under sections 401 and 402 of the Federal Clean Water

Email chain dated March 28, 2000 among Kevin Fitzpatrick (Ecology NWRO Industrial Permit Unit), Tom Luster, Pat Svoboda, Erik Stockdale, and Greg Wingard regarding groundwater and surface water issues related to the proposed Sea-Tac Airport Third Runway. Fitzpatrick disputes Greg Wingard’s claim that Ecology’s NWRO admitted the third lagoon expansion of the Industrial Waste System

Hart Crowser draft subsurface conditions data report (project J-4978-18) prepared for Port Of Seattle and HNTB, dated March 20, 2000, covering the North Safety Area Third Runway Embankment at Sea-Tac International Airport. Report includes generalized geologic description, subsurface soil conditions, hydrogeologic conditions, laboratory test results (consolidation, CU triaxial, UU triaxial, direct shear tests), hydraulic conductivity

Figure 7.2-10 showing groundwater contour elevations on the Auburn Wetland Mitigation Site as of March 8, 2000. Map displays piezometer locations (P-1 through P-23), groundwater contour lines with elevations ranging from approximately 45.5 to 48.5 feet, existing wetland areas, and existing ground surface contours near the Green River. Handwritten annotations reference spring groundwater levels, 0.15-foot

Memorandum from Mike Warfel of Parametrix, Inc. to Paul Agid of Port Of Seattle, dated March 7, 2000, reporting results of soils testing for pesticides and herbicides at the Vacca Farm Site for the Port of Seattle 3rd Runway Project (Project No. 556-2912-001(66)). Thirteen soil samples collected November 9, 1999 from six locations were analyzed

SEPA Addendum (April 27, 2000) prepared by Port Of Seattle and FAA as addendum to the Final Supplemental Environmental Impact Statement for the Proposed Master Plan Update Development Actions at Seattle-Tacoma International Airport (STIA), and to the SEPA Environmental Checklist for the Auburn Wetland Mitigation Project (August 1998). Documents modification to Master Plan Update wetland

A draft memorandum from Parametrix, Inc. to Keith Smith summarizing testing and monitoring of Seattle-Tacoma International Airport (STIA) stormwater to demonstrate that it does not impact aquatic life in Miller and Des Moines Creeks. The memo covers three categories of evidence: Whole Effluent Toxicity (WET) testing on SDS outfalls, Water Effect Ratio (WER) range-finding studies