1 / 11

General Program updates Reclamation Soils 2014 MCP implementation

WSCAC Meeting Agenda October 23, 2014. General Program updates Reclamation Soils 2014 MCP implementation - Final Greener Remediation guidance Guidance documents in progress LNAPL, AUL, Gardening BMPs, Vapor Intrusion Other guidance – Historic Fill

anne-cash
Download Presentation

General Program updates Reclamation Soils 2014 MCP implementation

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. WSCAC Meeting Agenda October 23, 2014 • General Program updates • Reclamation Soils • 2014 MCP implementation • - Final Greener Remediation guidance • Guidance documents in progress • LNAPL, AUL, Gardening BMPs, Vapor Intrusion • Other guidance – Historic Fill • - Technical corrections and MCP “trailer” package • - Remedial additives near sensitive receptors – plan submittal compliance issue • 1,4 dioxane assessment • Natural Resource Damages Program Year in Review

  2. Dates in (  ) are tentative meetings to be used as needed.

  3. MCP Implementation Updates

  4. Where to find info - http://www.mass.gov/eea/agencies/massdep/cleanup/regulations/site-cleanup-regulations-and-standards.html

  5. VI Guidance • Updated to reflect 2014 MCP amendments and experience since 2011 • Issues flagged for specific input • - applying “Inclusion Distance Approach” to petroleum hydrocarbons • - Future Exposure Point Concentrations in existing buildings with subslab soil gas contamination

  6. Upcoming Meetings and Comment Dates • Vapor Intrusion Draft • 12/4 pre-comment discussion meeting • 1/30/15 comments due • LNAPL Draft • 12/11/14 post-comment discussion meeting • AUL Draft - TBD

  7. Historic Fill guidance

  8. MCP Amendments - • Technical Corrections (no public hearing draft) • MCP “trailer package” http://www.mass.gov/eea/agencies/massdep/cleanup/regulations/site-cleanup-regulations-and-standards.html

  9. Remedial Additives near Sensitive Receptors (310 CMR 40.0046(3) • plan submittal compliance issue • - Check the box! • Additives where OHMs are not VOCs

  10. 1, 4 Dioxane – When to Assess • “emerging contaminant” • http://www.mass.gov/eea/agencies/massdep/toxics/sources/14-dioxane.html • found with chlorinated solvents (used as stabilizer), especially 1,1,1-TCA • exposure concern for drinking water • ORS drinking water guideline and 2014 MCP GW-1 standard 0.3 ug/l • requires modification/use of more sensitive analytical methods to achieve GW-1 standard Reporting Limit

More Related