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f PHONE 285 2400 <br /> CABLE ADDRESS TIMOIL <br /> SEATTLE E (FAX) 206 283 8036 <br /> TACOMA N <br /> PORTLAND .1 <br /> STOCKTON i IZ 1 sRENO o r +LIA1_ 1 <br /> • <br /> LRICHMOND OS ANGELES 9 23 SNE T I ME �'�� . 0 om • <br /> S 4 r <br /> 7 6 5 TS 2737 WEST COMMOD �E Y SEATTLE,WA 98199-1233 <br /> T <br /> PRODUCTS P 0 BOX 24447 SEATTLE,WA 98124 0447 <br /> TIME TESTED m <br /> E <br /> February 1, 1996 <br /> Mr Harlan Knoll <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P O Box 2009 <br /> Stockton, California 95201 <br /> RE Submittal of Fourth Quarter 1995 Status Report for <br /> Jackpot Food Mart, 1434 W Yosemite Ave , Manteca, CA (Property No 04-167) <br /> Dear Mr Knoll, <br /> On June 20, 1994, the San Joaquin County Public Health Services Environmental Health Division <br /> (PHS/EHD) requested that Time Oil implement quarterly status reporting and conduct groundwater <br /> monitoring until cleanup of the above-referenced site has been achieved Accordingly, this letter is <br /> intended to satisfy the requirements for quarterly status reporting as outlined in Article 5, Section 2652 of <br /> the California Underground Storage Tank Regulations <br /> • For your convenience a summary of previous site activities is attached <br /> Groundwater Sampling Results- December 1995 <br /> On December 5, 1995, samples were collected from each of the groundwater monitoring wells (W-3 <br /> through M-7) at the subject site by a representative of SECOR Hydrocarbons were not detected in <br /> groundwater samples collected from any of the wells The attached table from SECOR's draft quarterly <br /> groundwater monitoring report summarizes all groundwater data collected to date Upon completion, <br /> SECOR's report will be forwarded for your review The report will contain a summary of site activities, <br /> an evaluation of depth, flow, and gradient data, a summary of analytical results, and laboratory reports <br /> Remedial Activities- Fourth Quarter 1995 <br /> Although a permit has been received from the San Joaquin County Unified Air Pollution Control District <br /> for the construction of a vapor extraction system to remediate soils beneath the site, Time Oil is aware <br /> that the PHS/EHD is currently considering changes in cleanup requirements for petroleum-impacted sites <br /> which pose little or no risk to potential receptors Because groundwater at the subject site has not been <br /> impacted, and soil impacts appear to be only residual, Time recently contacted the PHS/EHD to discuss <br /> and re-evaluate the need for the installation of the currently proposed remediation system Based on <br /> that telephone conversation, it is Time's understanding that <br /> 1 The PHSIEHD considers the hydrocarbon impacts at the subject site to be minimal, limited to sods, <br /> and "low risk" <br /> 2 Based on the PHS/EHD's current direction with respect to "soil only" sites, the Installation of the <br /> proposed remediation system will not be required at this time <br />. 3 The PHS/EHD will not grant site closure at this time, however, they will permit Time Oil to submit a <br /> workplan for verification soil sampling which includes an evaluation of the propensity for natural <br /> attenuation of hydrocarbons beneath the site to occur <br />