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San Joaquin County DIRECTOR <br /> o C N Donna Heran,REHS <br /> Environmental Health Depnartment <br /> p r ASSISTANT DIRECTOR <br /> r y 600 East Main Street Laurie Cotulla, REHS <br /> Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> Mike Huggins,REHS,RDI <br /> s Margaret Lagorio, REHS <br /> Website: www.sjgov.org/ehd Robert McClellon,REHS <br /> CI FCIR Phone: (209)468-3420 Jeff Carruesco,REHS,RDI <br /> Fax: (209) 464-0138 Kasey Foley,REHS <br /> May 29, 2009 <br /> Mr. Cyrus Youssefi Ms. Sharla Hardy L.T <br /> 601 Main Street Investors PTP City of Stockton Public Works 6 <br /> 1006 Fourth Street, Ste 701 425 N. EI Dorado Street <br /> Sacramento, CA 95814 Stockton, CA 95202 <br /> Subject: Phoenix House Site Code: 1584 <br /> 601 E. Main Street Global ID#: T0607762422 <br /> Stockton, CA AP#: 149-180-06 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed Preliminary <br /> Site Assessment Report dated April 20, 2009, that was submitted to Geotracker by your <br /> consultant Advanced GeoEnvironmental Inc., and has the following comments. <br /> The report includes the soil and ground water sample data that was collected near the former <br /> underground storage tank (UST) on March 25, 2009. Soil borings B-1 and B-2 were advanced <br /> near the former UST pit to 30 feet below ground surface ('bgs). Soil samples were collected <br /> from both borings and a ground water grab sample was collected from B-2. <br /> Laboratory soil data indicated that the soil samples from B-2 contained petroleum constituents <br /> at 15' and 20' bgs. The soil samples from B-2 at 10', 25', and 30' bgs did not contain detectable <br /> amounts of petroleum. The ground water grab sample collected from B-2 contained 220 <br /> micrograms per liter (ug/1) of total petroleum hydrocarbons as gasoline (TPHg) and 2,400 ug/I of <br /> total petroleum hydrocarbons as diesel (TPHd) and very low concentrations of ethylbenzene <br /> and xylenes. <br /> The EHD discussed a no further action determination for this site with Mr. James Barton of the <br /> Central Valley Regional Water Quality Control Board (CVRWQCB). It was discussed that the <br /> ground water sample could have been contaminated by the drilling process and may not be an <br /> accurate representation of the ground water conditions. To verify this, it was decided that an <br /> additional ground water sample should be collected down gradient (northeast) of the former <br /> LIST pit, within the property line of the site through soil that has probably not been contaminated <br /> by the UST release. It was agreed that the site could be considered for a no further action <br /> determination if the ground water sample from this new boring indicated that the ground water is <br /> not contaminated. Please submit a work plan that addresses this requirement to the EHD. <br /> If you h eany q stease contact Michael Infurna, at (209) 468-3454. <br /> 'y^1gn <br /> Michael Infurna, REH Margaret Lagorio, REHS <br /> Senior Registered Environmental Health Specialist Program Coordinator <br /> cc: James L. Barton, CVRWQCB <br /> Ally Colavita, Advanced GeoEnvironmental Inc., 837 Shaw Rd., Stockton, CA 95215 <br />