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• _\� I • <br /> Department of Toxic Substances Control ' <br /> a <br /> Alan C.Lloyd,Ph.D. 8800 Cal Center Drive Arnold Schwarze <br /> Agency Secretary Sacramento, California 95826-3200 Governor <br /> Cal/EPA nno MENU)r��{>, U) <br /> July 13, 2005 115 V {kl4`II <br /> JUL 14 2005 <br /> ENVIRONMENT HEALTH <br /> Mr. Tracy Sizemore PERMIT/SEIRMES <br /> ConcocoPhillips <br /> 1500 North Priest <br /> DC-40A <br /> Tempe, Arizona 85281 <br /> Mr. Thomas Bauhs <br /> Chevron Texaco Environmental Management Corporation <br /> P.O. Box 6012 <br /> San Ramon, California 94583-0804 <br /> EARTH TECH SUBMITTALS DATED MAY 27, 2005, MAY 31, 2005, AND <br /> JUNE 7, 2005, L&M OU, STOCKTON, CALIFORNIA <br /> Dear Mr. Sizemore and Mr. Bauhs: <br /> The Department of Toxic Substances Control (DTSC) has received the following <br /> documents submitted by Earth Tech (ET) for the L&M OU: <br /> • Draft Responses to Comments on the Work (sic) Human Health Risk <br /> Assessment dated May 27, 2005. <br /> • Response to Comments on the Work (sic) Human Health Risk Assessment dated <br /> May 31, 2005 (HHRA Response). <br /> • Soil Vapor Sampling Work Plan and Response to DTSC HHRA Comments Dated <br /> March 3, 2005 dated June 7, 2005 (Work Plan and Response). <br /> DTSC's project manager and Human and Ecological Risk Division (HERD) reviewed the <br /> Work Plan and Response document dated June 7, 2005, and enclosed is a <br /> memorandum from HERD dated June 27, 2005 that provides comments and <br /> recommendations on the document. These comments were discussed in a <br /> teleconference call attended by Mr. Jerry Lile and Ms. Karen DiBiasio (DTSC), <br /> Mr. Tracy Sizemore (ConocoPhillips), and Mr. Ray Kaminsky, Ms. Margaret Dahlen and <br /> Mr. Luis Fratecelli (Earth Tech) held on June 29, 2005. Ms. Karen DiBiasio responded <br /> by electronic mail to two issues discussed during the teleconference call. Ms. DiBiasio's <br /> electronic mail response was forwarded on to Ms. Margaret Dahlen on June 30, 2005 <br /> (copy enclosed). <br /> S Printed on Recycled Paper <br />