Notes
Parametrix, Inc. technical memorandum dated January 21, 2002, from Jim Kelley, Ph.D., to Muffy Walker, US Army Corps of Engineers Regulatory Branch, regarding Port Of Seattle permit 1996-4-02325 (Sea-Tac Airport Master Plan Update). Provides supplemental information on wetland impacts in upper watersheds of Miller Creek, Walker Creek, and Des Moines Creek, including percent loss of hydrologically connected wetlands: Miller Creek 79.1–112.8 total acres, 10.48 acre impact (-9.3 to -13.2%), with mitigation -6.4 to -9.1%; Walker Creek 36.5 acres, 0.26 acre impact (-0.7%); Des Moines Creek 59.5 acres, 1.29 acre impact (-2.2%). Discusses contradictions with Amanda Azous analysis (July 6, 2001) regarding 21 percent elimination figure, exclusion of 19 acres surrounding Tub Lake, Lora Lake, Arbor Lake, Burien Lake, Miller Creek estuary, Puget Sound, Vacca Farm site, Des Moines Way Nursery, Wetland A17. Addresses adequacy of wetland mitigation relative to Federal Guidelines. AR031548–AR031550, Exhibit 2055.