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PUBLIC YIEALTHSER- ICES <br /> SAN JOAQUIN COUNTY , <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Karen Furst, M.D., M.PH., Health Officer <br /> 304 East Weber Avenue, Third Floor• Stockton, CA 95202 <br /> 209/468-3420 <br /> FILE U4PY <br /> EDWARD S FARR <br /> CONTINENTAL GRAIN CO <br /> 1805 HARBOR ST APR 2 3 199? <br /> STOCKTON CA 95203 <br /> RE: CONTINENTAL GRAIN CO Site Code: 1132 <br /> 1805 HARBOR ST <br /> . STOCKTON CA 95203 <br /> The San Joaquin County Public Health Services, Environmental Health Division <br /> (PHS/EHD) has reviewed the "Monitoring Report Fourth Quarter 1998, Continental <br />'i Grain" dated December 29, 1998 prepared by ATC Associates, Inc. Analytical results <br /> of the water samples collected from Monitoring Well #2 (MW-2) were 47,000 parts.per <br /> billion (ppb) of total.petroleum hydrocarbon as diesel (TPH-d), 790 ppb of TPH as gas <br /> (TPH-g), and 4.6 ppb of aromatic hydrocarbon as Benzene. Analytical results of water <br /> samples from MW-3 were 1,000 ppb of TPH-d and 120 ppb of TPH-g. MW-2 was <br /> I <br /> installed in the middle of the area where the former (UST) <br /> tan <br /> e underground storage g ( T) <br /> was located, and MW-3 was installed approximately 40 feet southeast of the former <br /> UST. The groundwater gradient direction is south-southwest. Directions south and <br /> southwest of the former UST have not been accessed because of the property <br /> I� boundary. <br /> PHS/EHD recommends additional work to investigate the extent of.the <br /> contamination south and southwest of the UST. 'Permission to drill on the adjacent <br /> railroad property or an encroachment permit from the City of Stockton should be <br /> obtained. Please submit workplan to PHS/EHD by June 30; 1999. <br /> I£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 /> 11 <br /> i Jeffrey Wong , REHS Margaret Lagono, REHS <br /> LOP/Site Mitigation Unit IV Supervisor <br /> 4 c: RWQCB, Central Valley Region -Mark List <br /> C.* ATC Associates, Inc. -Drew Van Allen <br /> A Division of San Joaquin Counry He akrh Care Services <br />