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• Mr. Tracy Sizemore <br /> .Mr. Thomas Bauhs <br /> February 8,2DD5 <br /> Page 2 <br /> Bullet 2 from the enclosed memorandum. If there Is any applicable data from <br /> the activities conducted at the L&M OU undeveloped area related to the <br /> apartment area,or applicable to the apartment area; <br /> Bullet 6 from the enclosed memorandum; <br /> • Bullet 6 from the enclosed memorandum; <br /> • Suilet9 from the enclosed memorandum for soil vapor analyses and soil <br /> volatile organic compounds (VOCs); <br /> • Bullet 10 from the enclosed memorandum; <br /> • Bullet 11 from the enclosed memorandum;and <br /> • Bullet 13 from the enclosed memorandum(i.e,Ac6ve Soil Gas;Methane; <br /> Hydrogen Sulfide,VOCs, and Geotechnical Parameters). <br /> Once the above dataldocumentation is collected the startup of the SVE system can <br /> proceed. In addition to the data needs Identified above, remaining data needs and <br /> information identified In the enclosed meinorendum should be addressed as soon as <br /> possible to facilitate completion of the HRA. <br /> • To expedite evaluations of Indoor air risks to current residents. DTSC recommends use <br /> of all valid active soil gas data collected from under, or directly adjacent to,apartments <br /> In a screening level predictive indoor air analysis consistent with DTSC's Vapor <br /> Intrusion Guidance (DTSC,2004,see Page 7 of enclosed memorandum). <br /> if you have any questions on any of the information provided above,please contact me <br /> at (916) 255-3744 or by email at jtilePdtsc.ca_aov. <br /> Sincerely, <br /> Jerrythe <br /> Protect Manager <br /> Enclosure <br /> cc: Mr. Ray Kaminsky <br /> Environmental Chamlat <br /> Earth Tech <br /> 695 River.Oaks Parkway <br /> San Jose, California 95134 <br />