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PUBLIC H15ALTH SERVICES
<br /> SAN JOAQUIN COUNTY 2:'
<br /> a
<br /> ENVIRONMENTAL HEALTH DIVISION
<br /> Karen Furst, M.D., M.P.H., Health OfficerOPY
<br /> f ILE C cQ..—
<br /> 304 East Weber Avenue, Third Floor Stockton, CA 95202 ``�o R
<br /> 209/468-3420 OCT 121999
<br /> ESTATE OF JOE GARDELLA TRUST OF MARY GARDELLA
<br /> DENNIS CASPE ESQ WINIFRED ALEXANDER
<br /> 525 21M ST 2035 N PACIFIC AVE
<br /> SANTA CRUZ CA 95060 SANTA CRUZ CA 95060
<br /> RE: STEFANOS GASOLINE
<br /> 1419 E CHARTER WAY
<br /> STOCKTON,CA 95205
<br /> San Joaquin County Public Health Services Environmental Health Division (PHS/EHD)
<br /> has received and reviewed GimazdwrxrMonitoringReport Thiel Quarter 1999 (the report) dated
<br /> August 13, 1999 prepared by Ramage Environmental (Ramage) for Wright Environmental
<br /> Services, Inc. Analytical results of groundwater sample taken from Monitoring Wen #2
<br /> (MW-2) were 130,000 parts per billion (ppb) of Total Petroleum Hydrocarbons as gasoline
<br /> (- PH-g), and 4,700 ppb, 56,000 ppb, 6,100 ppb, and 35,000 ppb of Benzene, Toluene,
<br /> Ethyl-Benzene, and Xylenes (BTEX collectively), respectively. Analytical results of
<br /> groundwater sample taken from MW-3 were 14,000 ppb of TPH-g, and 570, 340, 1,600, and
<br /> 3,100 ppb of BTEX, respectively. The results were consistent with the analytical results of
<br /> the groundwater collected from the last two monitoring events. According to Prarnninary
<br /> Irzrestigation acrd Evaluation Report dated February 23, 1999 prepared by Ramage, analytical
<br /> results of the soil sample collected from MW-2 at 50 feet below surface grade (bsg) were 860
<br /> parts per million (ppm) of TPH-g, and 4.5, 72, 26, and 150 ppm of BTEX,respectively.
<br /> PHS/EHD concurs with the report that the lateral extent of the impacted groundwater is
<br /> undefined to the north,west, and south of the former excavation, and that the vertical extent
<br /> of groundwater contamination may not be defined. Submit a work plan that will define the
<br /> vertical and lateral extent of the contamination to PHS/EHD by October 14, 1999.
<br /> If you have any questions, please feel free to contact Jeffrey Wong at (209) 468-0335
<br /> Donna Heran,REHS,Director
<br /> Environmental Health Division
<br /> Jeffrey ong,REHS Margaret agorio,RE�
<br /> LOP/Site Mitigation Unit IV Supervisor
<br /> C: RWQCB,Central Valley Region-Mark List
<br /> C: Wright Environmental Services, Inc.
<br /> C: Ramage Environmental -Joe Ramage
<br /> A Division of San Joaquin County Health Care Services
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