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aDepartment of Toxic Substances C�ntrol <br /> Alan C.Lloyd,Ph.D. 1515 Tollhouse Road Arnold Schsvarzenegger <br /> Agency Secretary Clovis, California 93611 Governor <br /> CaVEPA <br /> August 12, 2005 <br /> Mr. Steve Johnson, Operations Manager <br /> American Moulding and Millwork Company <br /> 2801 West Lane <br /> Stockton, California 95204 <br /> SUPPLEMENTAL SITE ASSESSMENT AND COMPREHENSIVE RISK ASSESSMENT <br /> WORK PLAN DATED APRIL 21, 2005 AND JULY 20, 2005 CONFERENCE CALL, <br /> AMERICAN MOULDING AND MILLWORK COMPANY, 2801 NORTH WEST LANE, <br /> STOCKTON, CALIFORNIA <br /> Dear Mr. Johnson: <br /> The California Environmental Protection Agency, Department oJ1, <br /> Toxic Substances <br /> Control (DTSC) has reviewed the subject workplan dated April 2005 (Workplan) <br /> prepared by MACTEC Engineering and Consulting, Inc (MACTEC) and your <br /> July 27, 2005 letter. The July 27, 2005 letter you prepared summarizes a conference <br /> call between MACTEC, DTSC and the American Moulding and Millwork Company <br /> (AMMC). The topics covered in the conference call included the Workplan and a <br /> comment letter dated July 18, 2005. Based on the topics discussed during the <br /> conference call and review of your July 27, 2005 letter the subject Workplan can be <br /> considered approved by DTSC with the following comments. <br /> The DTSC Fresno Responsible Party Unit (FRPU) and DTSC Human and Ecological <br /> Risk Division (HERD) have indicated that the use of Preliminary Remediation Goal <br /> (PRG) values is not appropriate to exclude a chemical of potential concern (COPC). A <br /> comprehensive risk assessment must include all the COPCs. Please pay particular <br /> attention to the comments provided by DTSC HERD in their June 16, 2005 <br /> memorandum concerning PRGs and the evaluation of COPCS. <br /> DTSC understands that a recent Phase I Environmental Site As essment was <br /> completed for the subject site. This Phase I report needs to be provided to DTSC as <br /> part of the site evaluation and review. DTSC review of the Phase I report is part of the <br /> comprehensive risk assessment evaluation. <br /> 0 Printed on Recycled Paper <br /> I9:= <br /> TB07M5 <br />