Support Material for Revised MCP Method 1 Standards

As part of the MCP Reg Reform package, MassDEP has proposed revisions to the MCP Method 1 Standards. The following files contain support documentation and references that reviewers may find useful while preparing comments on the proposal.  Questions about this material may be addressed to Nancy Bettinger in the MassDEP Office of Research and Standards at

Method 1 Standards Documentation and References

Chemical-Specific Toxicity Information

Information for the GW-3 Standards

Indoor Air Background

Relative Absorption Factors (RAFs)

Toxicity Value References


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