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9 , <br /> r <br /> � aryal <br /> e1 <br /> s���Tus <br /> ` copy <br /> ENVIRONMENTAL INC ' 3330 Cameron Park Drive Ste 550 <br /> Cameron Park, California 95682 <br /> (530)676-6004-Fax (530)676-6005 <br /> October 27, 2000 <br /> Project No 2002-142.6-02 <br /> Mr Ron Rowe - <br /> San Joaquin County Public Health Service - <br /> Environmental Health Division - <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, California 95202 <br /> Re Additional Soil and Groundwater Investigation Report <br /> Former Dolly Madison Facility <br /> 1426 South Lincoln Street, <br /> Stockton, California <br /> Dear Mr Rowe <br /> On behalf of Interstate Brands Corporation (IBC), Stratus Environmental, Inc (Stratus), <br /> has prepared this report documenting the results of a soil and groundwater investigation <br /> at the farmer Dolly Madison facility (the Site) located at 1426 South Lincoln Street, <br /> Stockton, California (Figure 1) The scope of work was developed based on the results of <br /> previous subsurface investigations conducted at the site and discussions with <br /> representatives of San Joaquin County Department Public Health Services, <br /> Environmental Health Division (PHS/EHD) <br /> BACKGROUND <br /> The site is located approximately 200 feet south of the intersection of Charter Way and <br /> South Lincoln Street in Stockton, California The site, a former Dolly Madison Bakery, <br /> is currently vacant On July 29, 1988, SEMCO of Modesto, California, observed the <br /> removal of a 1,000-gallon underground storage tank (UST) Based on analytical results <br /> of soil samples collected from beneath the former UST, residual hydrocarbons were <br /> present Total petroleum hydrocarbons as gasoline (TPHG) was detected at a <br /> concentration of 95 parts per million (ppm) Benzene and total petroleum hydrocarbons <br /> as diesel, kerosene, and motor oil were below laboratory detection limits <br /> In February 1997, EMCON drilled three soil borings at the Site Soil boring B-1 was <br /> converted to vapor extraction well VW-1, and bonngs B-2 and B-3 were converted to <br /> groundwater monitoring wells MW-1 and MW-2, respectively Residual petroleum <br /> hydrocarbons were detected in the samples collected from the soil borings The highest <br /> concentrations were detected in soil boring B-1, which was located within the former UST <br /> cavity Residual petroleum hydrocarbons were not detected in the vadose zone (0 to 21 5 <br /> feet below ground surface) in soil borings B-2 and B-3, but were detected in the saturated <br />