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Page 1 of 1 <br />Robert Traylor <br />From: Robert Traylor [roberttraylor@cox.net] <br />Sent: Thursday, May 31, 2007 1:58 PM <br />To: 'Ava Kenney' <br />Cc: 'John Luebberke'; 'wbrown@daley-heft.com '; 'Kitty Walker' <br />Subject: RE: Children's Museum VCA <br />Ava, <br />The Children's Museum soil sampling for lead and soil gas sampling for VOCs was conditionally approved by <br />DTSC in their letter dated 13 February 2007 (attached). DTSC's two conditions were preparation of a figure <br />showing soil sample collection locations and notification to DTSC of field data collection (DTSC has indicated <br />they might want to visit during sampling). GSE is preparing this figure and after finalization, will send to DTSC <br />(anticipate a draft in the next week or so). The current schedule will be driven by availability of the soil gas <br />mobile laboratory and linking this field program with the soil excavation at MA OU (to be cost effective); this <br />currently scheduled for the later half of June. <br />I have also attached (1) the "Project Background Information" (i.e. work plan) sent to DTSC and approved in the <br />13 February letter, and (2) HERD's memorandum to Jerry Lile describing HERD's concerns specific to arsenic <br />(location B12-3) and lead (locations B10-3 and B12-3). <br />The estimated cost for the soil gas sampling is $15,000 (see attached email file) and $2,500 for the additional <br />soil sampling, if performed in conjunction with the MA excavation. <br />Best regards, Rob <br />From: Kitty Walker [mailto:Kitty.Walker@ci.stockton.ca.us] <br />Sent: Wednesday, May 23, 2007 3:36 PM <br />To: Ava Kenney; Robert Traylor; JLile@dtsc.ca.gov <br />Cc: John Luebberke; wbrown@daley-heft.com <br />Subject: Children's Museum VCA <br />Got a long voice mail from Duncan Austin today. He says that now that he understands what is going on, it <br />would be fine to complete this VCA under DTSC oversight, and then just wrap in the results into the <br />bigger UPPR oversight agreement with Regional Board at the appropriate juncture. <br />So, in light of this, Rob will need to speak with Jerry about the additional work that needs to be completed: the <br />additional confirmation soil tests asked by Dave Barry, and the soil gas vapor testing program around the <br />museum. I think this has all been prepared, but was put on hold 2-3 months ago. <br />Rob & Jerry - after you have a chance to talk, please get back to Ava with scope, money, and timing. <br />Than ks! I? 1111 11!? <br />Kitty Walker <br />City of Stockton <br />Dept. of Housing & Redevelopment <br />(209) 937-8811 <br />(209)937-5099 (FAX) <br />6/18/2007