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4 UDU/o 13 <br /> L <br /> Mr.Tracy Sizemore <br /> .Mr.Thomas Bauhs <br /> February 8,2005 <br /> Nge 2 <br /> Bullet 2 from the enclosed memorandum. If there Is any applicable data from <br /> the activitles conducted at the L&M OU undeveloped area related to the <br /> apartment area,or appllcable to the apartment area; <br /> • Bullet 6 from the enclosed memorandum; <br /> • Bullet B from the enclosed memorandum; <br /> • Sullet_9 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(Le,Active Soil Gas: Methane; <br /> Hydrogen Sulfide,VOCs,_and Geotechnical Parameters). <br /> Once the above dataldoeumsntation 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 memorandum should be addressed as soon as <br /> possible to facAltate completion of the HRA. <br /> To expedlte evaluations of Indoor air risks to current residents, OTSC recommends use <br /> of all valid active soil gas data collected ftom under,or directly adjacent to,apartments <br /> Ina screening level predictive indoor air analysis conslstent with OTSCfs Vapor <br /> Intrusion Guidance(DTSC,2004,see Page 7 of enclosed memorandum). <br /> if you have any questlons on any of the Information provided above,please contact me <br /> at(918) 255-3744 or by email at jilleQdtsc.ca.aov. <br /> Sincerely, <br /> .berry Zile <br /> Project Manager <br /> Enclosure <br /> cc: Mr. Ray Kaminsky <br /> Environmental Chemist <br /> Earth Tech <br /> 695 River.Oaks Parkway <br /> San Jose, Caiifomla 96134 <br />