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and resulting data show the sediment to not be impacted by site activities, sufficient <br /> data/discussion has not been provided to conclude that the percolation ponds have not been <br /> affected by site activities, such as via surface runoff. Please clarify whether any sampling has <br /> been conducted on the percolation ponds and also please provide additional information on <br /> engineering controls used to control potential runoff to the ponds. <br /> Response to Specific Comment 5 (Section 2.3.7.2, page 2-26) Waste Disposal: The response <br /> appears to adequately address the comment. However, complete evaluation of the response will <br /> be conducted when the revised text referenced in the response has been provided for review. <br /> Response to Minor Comment 1: The response appears to have remedied the comment by <br /> simply clarifying the "P" designation contained in Appendix C. However, complete evaluation <br /> of the response will be conducted when the revised text referenced in the response has been <br /> provided for review. <br /> REFERENCES <br /> M.M. Minnich,B.A. Schumacher, and J.H. Zimmerman. Comparison of Soil VOCs Measured <br /> by Soil Gas,Heated Headspace, and Methanol Extraction Techniques. Journal of Soil <br /> Contamination, 6(2):187-203, 1997. <br /> U.S. EPA, 1988. Guidance for Conducting Remedial Investigations and Feasibility Studies under <br /> CERCLA. EPA/540/G-89/004. October. <br /> 3 <br />