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A <br /> c ' <br /> STATE OF CALIFORNIA GEORGE DEUKMEJIAN, Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION <br /> 443 ROUTIER ROAD, SUITE A <br /> SACRAMENTO. CA 95827-3098 <br /> °?W F' E " i�' <br /> 7 August 1990 AUG I <br /> L IVVIROAMENTAL Hr LTH <br /> Mr. Russell Juncal <br /> Water Work <br /> 1710 Main Street <br /> Escalon, CA 95320 <br /> REECE PROPERTY, 319 S. PARALLEL AVE. , RIPON, SAH JOAQUIN COUNTY <br /> We have reviewed your report, dated 20 June 1990, prepared for the subject <br /> site. Soil samples were taken from a leachfield that contained 5 parts per <br /> billion (ppb) benzene, 13 ppb toluene, 11.4 ppb xylene, and 70 parts per <br /> million (ppm) oil and grease. A sample from the ground water monitoring well <br /> contained 5 mg/l oil and grease. Other soil samples had levels of "none <br /> detected" except for one sample that contained 90 ppm oil and grease. <br /> We request you excavate the heavily-contaminated surface soil and dispose of <br /> it in accordance with Subchapter 15, Title 23, California Code of Regulations, <br /> and sample the ground water monitoring well quarterly for one year for <br /> benzene, toluene, xylene, and ethylbenzene. After a year, we will evaluate <br /> what further actions , if any, must be taken. <br /> If you have any questions, please call Twila Leclerc at (916) 361-5673. <br /> A_J/ , <br /> ANTONIA K. J. VORSTER <br /> Senior Engineer <br /> TLL <br /> cc: Ms. Laurie Cotulla, San Joaquin County Public Health Services , Stockton <br />