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EGLE RRD issues guidance for the evaluation of a dispersed source in urban fill for the VIAP
The Department of Environment, Great Lakes, and Energy (EGLE), Remediation and Redevelopment Division (RRD) has issued guidance on the evaluation of a dispersed source in urban fill for the volatilization to indoor air pathway (VIAP). RRD has recognized the challenge urban fill has presented property owners and developers when evaluating the VIAP. The guidance outlines and clarifies RRD’s expectations with site characterization for all contaminants associated with urban fill and for when this evaluation process is applicable. In addition, several options for the evaluation of the VIAP are provided to give property owners and developers maximum flexibility. Training on the use and applications of the document will be provided in the next few months.
With the public release of this guidance, RRD will be rescinding the Vapor Paper entitled “Evaluating Mercury in the Soil for the Volatilization to Indoor Air Pathway (VIAP)” that was released on December 3, 2019 to guide EGLE staff.
Questions regarding this document may be directed to Matt Williams, Volatilization to Indoor Air Specialist, at WilliamsM13@michigan.gov or 517-881-8641 or Nick Swiger, Technical Support Unit Manager, at SwigerN@Michigan.gov or 231-429-8926. Questions regarding the application of the guidance to a specific site should be directed to district staff where the site is located.
Resources: Evaluation of a Dispersed Vapor Source in Urban Fill Under Part 201
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