TagPollution Control Hearings Board(1532)

HNTB-prepared Final Draft Phase I study (November 1996) for Sea-Tac Airport Third Runway fill material alternative delivery methods. Evaluates transport corridors including Corridor 1 (Des Moines Creek barge transfer and land conveyor), Corridor 2 (SR 509 conveyor, truck, rail), and Corridor 3 (SR 518 conveyor, truck, rail). Covers technical viability, construction/environmental permitting (local, state, federal),

Response to comments document (AR 026790) prepared by Lisa Zinner, P.E. for the Washington Department of Ecology regarding NPDES Permit No. WA-002465-1 modification for Port Of Seattle, Sea-Tac Airport. Covers public hearing held June 12, 1996 in Burien, WA at Burien Public Library. Addresses self-monitoring under Clean Water Act Section 308, stormwater discharges to Miller

Resolution A-96-02 adopted by the Puget Sound Regional Council (PSRC) General Assembly on July 11, 1996, amending the 1995 Metropolitan Transportation Plan (MTP) and Regional Transportation Plan (RTP) to include plans for a third runway at Seattle-Tacoma International Airport with additional noise reduction measures. References Resolution A-93-03, Expert Arbitration Panel on Demand/System Management and Noise,

EPA Soil Screening Guidance: User’s Guide, Second Edition (Publication 9355.4-23, EPA/540/R-96/018), published July 1996 by the U.S. Environmental Protection Agency Office of Emergency and Remedial Response (OERR), Office of Solid Waste and Emergency Response. This Superfund guidance document provides soil screening levels (SSLs) and methodologies for evaluating contaminated soil at Superfund sites, including statistical approaches

EPA Region 10 supplements its March 18, 1996 comments on the Final Environmental Impact Statement for Proposed Master Plan Update Development Actions at Seattle-Tacoma International Airport, detailing air quality concerns related to conformity with the State Implementation Plan under the Clean Air Act. The letter identifies deficiencies in the draft conformity analysis, noting that the

EPA Superfund publication 9355.4-23 (April 1996), ‘Soil Screening Guidance: User’s Guide,’ issued by the United States Environmental Protection Agency Office of Solid Waste and Emergency Response, Washington DC 20460. Exhibit AR033734. Includes Table C-4 presenting metal Kd values (L/kg) as a function of pH for metals including arsenic (Ag), barium (Ba), beryllium (Be), cadmium (Cd),

Washington State Department of Ecology, Shorelands and Water Resources Program, Publication No. 96-06 (April 1996). Guidance document titled ‘Water Quality Guidelines for Wetlands: Using the Surface Water Quality Standards for Activities Involving Wetlands.’ Provides direction on applying Washington State surface water quality standards to activities involving wetlands. Administrative Record number AR030803, Exhibit-2024.

Washington State Department of Ecology publication #94-145 (updated 1/96) presenting the February 1996 annual update to the MTCA (Model Toxics Control Act) Cleanup Standards under CLARC II. Covers Method B and Method C cleanup levels for soil and groundwater, reference doses (RfD), cancer potency factors, hazard quotients, WAC 173-340-740 and WAC 173-340-745 calculations, inhalation correction

Final Environmental Impact Statement (EIS) prepared jointly by the Federal Aviation Administration (FAA) Northwest Mountain Region and the Port of Seattle for the Seattle-Tacoma International Airport (Sea-Tac) Master Plan Update, dated February 1996, AR038744. Covers proposed development actions 1996-2020 including a new third parallel runway (Runway 16X/34X) up to 8,500 feet long separated 2,500 feet

A December 1995 discussion paper by the Washington Department of Ecology analyzing regulatory questions raised by applying the NPDES permit program to municipal and industrial stormwater discharges. The paper explores questions including the definition of ‘Waters of the State,’ determining points of compliance, monitoring requirements, and verifying which discharges require water-quality based effluent limitations. The