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PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer • c{�.Fo �;:Y. <br /> 445 N. San Joaquin Street • P.O. Box 388 • Stockton, CA 95201-0388- <br /> (209) 468-3420 - <br /> CATHERINE WHITWORTH <br /> TRUSTEE IN BANKRUPTCY _ AUG `2 � 1994 <br /> DAVIS CA X 28 095617 U PED <br /> U <br /> RE: CAL FARM SUPPLY COMPANY <br /> 2040 W WASHINGTON; STOCKTON <br /> BANKRUPTCY CASE NO.287-04176-A-7 <br /> Representatives from the San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) <br /> and the Central Valley Regional Warm Quality Control Board (CVRWQCB)met Wednesday, <br /> erns must be gust 10,ved prior994 <br /> followingto discuss the above referenced site. As a result of this meeting, the follow � <br /> to closure certification of the site. <br /> Continue quarterly monitoring of all 5 monitoring wells for the petroleum hydrocarbon constituents excluded <br /> from the previous quarterly groundwater sampling: Benzene, Toluene, Ethylbenzene, Xylene, and Total <br /> Petroleum Hydrocarbons, Gasoline. Quarterly groundwater measurements performed to date indicate a shift in <br /> the gradient from northeast to northwest; no explanation was provided to account for the change in gra <br /> However, we note that the Port of Stockton, 2201 W. Washington Street, drilled a 10 inch casing irrigation well <br /> (100 feet deep with a 50 foot annulargrout) in December, 1990, which may account for the gradient shift. <br /> The CVRWQCB is overseeing a nitrate groundwater investigation at the property to the <br /> Ist of the atior Rp <br /> ee ort" <br /> CalFarm site. Sampling data noted in the Kennedy/Jenks/Chilton report "Preliminary g <br /> dated 14 July 1989 documented airrare contaminants in a groundwater sample collected from Monitoring Well <br /> #2. The monitoring wells shall undergo sampling for the following constituents: nitrates, organochlorine, <br /> organophosphate, carbamate, triazine, and chlorinated herbicides. The sampling activities will be coordinated <br /> under the direction of Wendy Wyels. CVRWQCB Agricultural Regulatory Unit who will be contacting you <br /> directly. <br /> If you have any questions, please contact me at (209) 468-3452. <br /> Donna Heran, RENS, Director <br /> v ronmen Heal Division <br /> Diane M. mson, REHS, Supervisor <br /> Site Mitigation Unit <br /> cc; Wendy Wyels, CVRWQCB, Ag Regulatory Unit <br /> Elizabeth Thayer, CVRWQCB, UST Regulatory Unit <br /> Michael jnfuma, PHS/EHD <br /> Charles Hall <br /> Kelye McKinney, Kennedy-Jenks Consultants <br /> A Di%kion of San Joaquin Cnunq'Health Cure Senior <br />