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yy CES <br /> PUBLIC HEALTH SER i,` <br /> } <br /> ii SAN JOAQUIN COUNTY i <br /> I <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Officer <br /> 304 E. Weber Ave., Third Floor • P. O. Box 3$$ Stockton, CSA 95201-038$ <br /> 209146873420 T <br /> a <br /> IT <br /> �l <br /> jp MANED FEB 2 91996 <br /> BRUCE MC CANDLESS <br /> !I <br /> RIPON FARM SERVICE <br /> PO BOX 806 <br /> RIPON CA 95366 i <br /> .i <br /> RE: Ripon Farm Service SITE CODE: 1605 <br /> 22871 South Highway 99 <br /> Ripon CA <br /> t San Joaquin County Public Health Services, Environmental Health Division (PHSIEHD) has <br /> completed review of the "Quarterly Report - August 1995" date <br /> September 25, 1995 and <br /> the "Quarterly Report - October 1995" dated January 8, 1996 both prepared by Advanced <br /> GeoEnvironmental. PHSIEHD has the following comments for your consideration. <br /> The report included the results of groundwater samples collected from monitoring wells <br /> MW1 - MW3 on May 24, 1995, from MW1 - MW5 on Oc'toberj% 1995 and the soil and <br /> groundwater samples collected during the August 14, 1995 investigation. <br /> i 0 '! <br /> Groundwater contamination continued to be evidenced with gradient direction changes <br /> IF <br /> observed. Please include in future tables summarizing analytical results: the observed <br /> G depth to water, groundwater elevation and calculated gradient ,direction. I <br /> r Table 2 which was included in the August 1995 quarterly report contained numerous <br /> errors. A revised table with the corrections and the sample date should be included in <br /> future reports to summarize soil and groundwater data. The following corrections should <br /> be made: <br /> ( l ; <br /> I <br /> Sample ID Benzene Toluene Ethylbenzene Xylene <br /> { ASB9115 <.005 <.005 <.005 <.01 , <br /> ASB12/15 .050 <br /> ASB13/15 .019 <br /> PHSIEHD requested in correspondence dated October 19s; 1994 that a well survey be <br /> conducted. The results of the survey should be submitted within the next quarterly report <br /> and included on subsequent location maps. l <br /> i <br /> A Division of San Joaquin County Health Care Services <br /> � � ri <br /> { <br /> S� <br />