Notes
Email from Erik Stockdale (Ecology NWRO) to Raymond Hellwig and Tom Luster, dated February 17, 2000, summarizing a February 15 meeting with Jim Kelley of Parametrix regarding public comments on the Sea-Tac Airport third runway project (AR 018438–018440, Exhibit 173). Issues raised by commenters Sarah Cooke and Andy Castelle concerned incorrect wetland mitigation ratio calculations at in-basin sites. Topics include enhancement vs. creation vs. restoration under RCW 90.48, the Ecology publication ‘How Ecology Regulates Wetlands’ (Ecology publ. no. 97-112), draft wetland mitigation banking rule definitions, prior converted wetlands (PCC) at Vacca Farm, Walker Creek basin headwater wetland, Miller Creek 100-foot buffer, Auburn mitigation site buffers, HGM-based function assessment method, invasive plant species performance standards (5% cover), 401 certification engineering drawing requirements, and 1:1 in-basin mitigation ratio target. PCHB proceedings anticipated.