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Contents : 2011 ITRC Technical Project Teams Register at www.itrcweb.org Biochemical Reactors for Mining-Influenced Water New for 2011 Leads: Cherri Baysinger (MO) and Paul Eger (MN) Project: Examine the background and current status of using biochemical reactors to treat mining-influenced water. A biochemical reactor (BCR) is a system that uses microorganisms to treat or remediate water contaminated with heavy metals. This project will produce a technology and regulatory guidance describing the application limitations regulatory barriers and best practices for using biochemical reactors. The guidance should lead to greater use of and confidence in this technology as well as providing helpful background information. Contaminated Sediments - Bioavailability Leads: John Cargill DE and Kim McEvoy NJ Project: Develop a Web-based Technical Regulatory Guidance document on the concepts process and use of bioavailability in a risk-based decision framework at a contaminated sediment site. The document will provide a common resource for regulators and practitioners to determine the appropriate application of bioavailability tools and considerations within human health and ecological exposure pathways. Contaminated Sediments - Remediation New for 2011 Leads: John Cargill DE and Greg Neumann NJ Project: Develop a web-based Tech-Reg Guidance document to assist the user in the identification and selection of applicable sediment remedial approaches to mitigate exposure to sediment contamination. The Tech-Req will describe the proper application of traditional and emerging sediment remediation technologies such as dredging/excavation capping (including active caps that provide in-situ treatment) and long term monitoring to aid the user in the selection of a remedy that is protective of human health and the environment. Environmental Impacts of Ethanol and Bio-Based Fuels Lead: Bill Gidley NE Project: Develop a technical and regulatory guidance document and training that provides guidance on the environmental impact associated with releases of biofuels to the environment during the transportation distribution and storage of these fuels. Topics to be covered in depth include: release scenarios and prevention site characterization fate and transport and remediation strategies. To make the document relevant as new alternative fuels are introduced to the market the document will describe a process for evaluating both currently available biofuels and future biofuels. Environmental Molecular Diagnostics Lead: Bob Mueller NJ and Bonnie Pierce WY Project: Environmental molecular diagnostics (EMDs) are various molecular biological tools that can identify and quantify key microorganisms and their genes and compound specific isotope analysis (CSIA) a chemical method that measures the relative abundance of different isotopes. These techniques can be used to assess when natural attenuation as a stand-alone remedy is sufficient or whether enhancements such as chemical amendments or bioaugmentation are necessary. The EMD team will summarize the fundamental background and current status of available EMDs and provide objective guidance on the best practices for using EMDs and evaluating applying and interpreting the results of EMDs. Technical and regulatory guidance should lead to greater use and confidence in these diagnostics and help site managers faced with major decisions about site design management and resolution. Green & Sustainable Remediation Lead: Tom O Neill NJ and Rebecca Bourdon MN Project: Produce a Technology Regulatory Guidance document and develop associated Internet-based training to educate state regulators and other practitioners on effectively applying green and sustainable remediation Page 1 of 2 (1-3-11) 2011 ITRC Technical Project Teams Register at www.itrcweb.org (GSR) principles in their everyday projects. The focus of the document is to develop a systematic process to incorporate GSR approaches into site cleanups irrespective of what phase the project is in the remediation life cycle. The document will emphasize a systematic process that can be applied at simple or complex remediation sites across the spectrum of regulatory programs. ITRC GSR team is working in close coordination with other GSR related initiatives from US EPA ASTSWMO ASTM SURF etc. ensuring that our team products will complement other products and efforts. Groundwater Statistics and Monitoring Compliance New for 2011 Leads: Ning-Wu Chang CA and Josh Gowens AL Project: Develop a guidance document based on the Unified Guidance for Groundwater Statistics and Monitoring Compliance. The document will help the practitioner to understand the statistical techniques and related monitoring evaluation optimization and measurement technologies to manage groundwater monitoring programs and to make better project management decisions. Incremental Sampling Methodology Leads: Mark Malinowski CA and Ligia Mora-Appleg

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