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not include a figure that shows the relationship between the 1999 and <br /> 2000 sampling results to the storm drain excavation and the former <br /> location of the stockpiled soil. For clarity, please revise Figure 2-2 <br /> to show the location of the trench to demonstrate that the sample <br /> locations were adequate to define the extent of the contamination. <br /> References <br /> U.S. Environmental Protection Agency (EPA) . 1989. Risk Assessment Guidance for <br /> Superfund: Volume 1: Human Health Evaluation Manual (Part A) . Interim Final. <br /> December. <br /> U.S. Environmental Protection Agency (EPA) . 1995. Policy for Risk <br /> Characterization at the U.S. Environmental Protection Agency. Science Policy <br /> Council Risk Characterization Policy. Memo by Carol Browner. Office of the <br /> Administrator, 21 March. <br /> United States Environmental Protection Agency. 1996b. Soil Screening Guidance. <br /> Users Guide, Second Edition (EPA 9355.4-23) . Office of Emergency and Remedial <br /> Response, Washington D.C.- <br /> United States Environmental Protection Agency. 1999a. Supplemental Guidance <br /> for Developing Soil Screening Levels for Superfund Sites. Office of Emergency <br /> and Remedial Response, Washington, D.C. <br /> SHA005 7 <br />