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Maine Remedial Action Guidelines

Presentation Overview. 15 minute review of draft RAGs Implementation ManualDiscussion/Comments. Defn: Remedial Action Guidelines. Soil Clean-up GoalsProtect Human Health @ Haz Substance SitesNewly Revised DEP is seeking public comment through September 9, 2009. RAGs: Part of the Remediation Pr

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Maine Remedial Action Guidelines

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    1. Maine Remedial Action Guidelines David Wright Maine DEP September 1, 2009

    2. Presentation Overview 15 minute review of draft RAGs Implementation Manual Discussion/Comments

    3. Defn: Remedial Action Guidelines Soil Clean-up Goals Protect Human Health @ Haz Substance Sites Newly Revised – DEP is seeking public comment through September 9, 2009

    4. RAGs: Part of the Remediation Process Removals & minimal actions Site Investigation => Conceptual Site Model Address Vapor Intrusion Transfer of contaminants from soil, water, etc. to indoor air Apply Maine RAGs Undertake clean-up

    5. Goals of Maine RAGs Quicker & Simpler than newly updated Risk Assessment Manual Increase Consistency Provide flexibility Provide clarity

    6. RAGS – Guidelines, not Standards Interpretation of Statutory Authority Investigation & clean-up to the “Commissioner’s Satisfaction”

    7. RAGs - Applicability Remediation Programs - USP; Brownfields; VRAP; RCRA; Superfund Soil Hazardous Substances – but consistent with oil Exposure Routes Medium Pathways Scenarios

    8. Applicable Exposure Routes

    9. Conceptual Site Model => Pathways

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