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EXH 334: Compensating Wetland Losses Clean Water Act — App. H, 40 Common Wetland Functional Assessment Procedures

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This document, Appendix H from a National Research Council publication titled 'Compensating for Wetland Losses Under the Clean Water Act,' presents a comparative table of 40 common wetland functional assessment procedures. The table summarizes key attributes of each method, including habitat type, scale, functions assessed, and whether social values or weighting factors were applied. It serves as a reference for evaluating and comparing tools used to measure wetland functions in the context of Clean Water Act mitigation and compensation requirements.

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Exhibit 334 (AR 021011–021013), entered 2-14-02 in PCHB Third Runway EIS proceedings. National Research Council publication ‘Compensating for Wetland Losses Under the Clean Water Act,’ Appendix H: Table H-1 listing selected attributes of 40 common wetland functional assessment procedures including AREM, HEP, HGM approach, Hollands-Magee method, IBI, IVA, Larson method, MNRAM, NC-CREWS, NEFWIBP, PAM HEP, Rapid Assessment Procedure, Synoptic Approach, VIMS Method, WAFAM, WET, WETthings, WHAP, WI RAM, WQI, WVA — covering habitat type, scale, functions assessed (hydrology, water quality, habitat, social values), weighting, area scaling, factor measured, and method description. Relevant to Clean Water Act Section 404 compensatory mitigation and wetland mitigation banking analysis in Sea-Tac Airport Third Runway EIS.

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