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Site Characterization

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The following documents will assist site managers in site characterization and assessment of a suspected asbestos release at a site.

Framework for Investigating Asbestos-Contaminated Hazardous Waste Sites (PDF) (71 pp, 849KB) OSWER Directive 9200.0-68, September 2008. This document presents a recommended framework for investigating and characterizing the potential for human exposure from asbestos contamination in outdoor soil and indoor dust at Superfund removal and remedial sites. This framework discusses an empirical approach and strategies that are based on the best available science and recommends common industrial hygiene methods for characterizing exposure and risk from asbestos.

Clarifying Cleanup Goals and Identification of New Assessment Tools for Evaluating Asbestos at Superfund Cleanups (Michael B. Cook – August 10, 2004) OSWER Directive 9345.4-05 (PDF) (4pp, 120 KB). This Superfund Policy directive requires EPA Regions to develop risk-based, site-specific action levels to determine if response actions should be taken when materials containing less than 1 percent asbestos are found at a site, and to outline some activities that will assist in evaluating such risk at Superfund sites.

General Vermiculite Information - A link to the U.S. EPA Office of Prevention, Pesticides & Toxic Substances’ (OPPTS) web site, “Protect Your Family from Asbestos-Contaminated Vermiculite Insulation.”

Libby ore was shipped to many locations for processing. Strategy for Further Assessment of Vermiculite Ore Asbestos Sites (PDF) (17 pp, 357KB) EPA September 2008, describes EPA's broad strategy for prioritizing the further assessment of vermiculite sites that are potentially contaminated with asbestos-contaminated ore from Libby, Montana.

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