Remedial Investigation/Feasibility Study, Operable Unit 5, Elmendorf AFB, Anchorage, Alaska. Volume 1. Text.

摘要

This Final Report for Operable Unit 5 (OU 5) is provided per the statement of work for the Remedial investigation/Feasibility Study for (RI/FS) OU 5. The RI portion of the report covers the site background, field investigations, nature and extent of contamination, conceptual model, and baseline risk assessment. The purpose of the RI is to define the contamination at OU 5 and the effects of the contamination on human health and the environment. The FS covers: (1) remedial action objectives, (2) an identification and screening of potentially applicable technologies, (3) a development and screening of alternatives which combine these technologies, and (4) a detailed analysis of the most applicable alternatives. The analysis considers the nine CERCLA evaluation criteria. The alternatives are evaluated according to their combined effectiveness, implementability, and cost scores. Based on the analysis, the most cost-effective alternatives are identified. Remedial action objectives, ARARs, Detailed analysis of alternatives, Operable Unit 5, Remedial investigation/feasibility study, Elmendorf AFB, Alaska.