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Whiskeytown National Recreation Area » Engineering Evaluation/Cost Analysis (EE/CA) Study at Coggins Flat » Document List » Document Contents
EE/CA Report
The EE/CA identifies removal action objectives for protection of human health and the environment, develops removal action alternatives, and assesses the effectiveness, operational feasibility, and cost of the alternatives. Accordingly, the NPS has determined that the use of removal action authority to investigate, abate, prevent, minimize, stabilize, mitigate, and/or eliminate the release or threat of release of hazardous substances at or from the Site may be appropriate.
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Comment Period:
Closed
Apr 12, 2019 - May 13, 2019
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Draft Revised WHIS EECA1.docx
(166.8 KB, .docx file)
Figure 2 _ Site features and proposed sample locations.pdf
(4.1 MB, PDF file)
Draft Revised WHIS EECA _ Appendices1.pdf
(15.0 MB, PDF file)
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