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- PUBCi� HEALTH SEI VICES <br /> SAN JOAQUIN COUNTY <br /> �: . a <br /> JOGI KHANNA I .D.,I P.H. <br /> Heafth Officer <br /> NQt.'Fopa�v <br /> P.O. Box 2009 (1601 East Hazelton Avenu¢) Stockton,California 95201 <br /> (209) 468-340 <br /> March 29 , 1990 <br /> Gary Brophy <br /> 1235 Slayton Drive <br /> Manteca, CA � <br /> � <br /> RE: Texaco �servicJe Station In Reply, Refer to Site Code: 1461 <br /> 941 E. Yosemite <br /> Manteca, CA 95336 <br /> The San Joaquin County Public Health Services, Environmental Health <br /> Division (PHS/EHD) has recently completed the review of the report <br /> submitted by Applied GeoSystems to ouir office on October 30, 1989. <br /> We have the following comments and recommendations. <br /> 1. Quarterly monitoring was requested by Regional Water <br /> Quality Control Board (RWQCB) "n June, 1989 . To date this <br /> investigation has not been initiated. Monitoring of all on- <br /> site wells should begin immediaitely since known groundwater <br /> contamination exists at this site.l <br /> 2 . y Additional monitoring wells: should be installed at this <br /> site. RWQCB has suggested that one well be installed within <br /> ten feet of the tank pit in the verified down gradient <br /> direction. <br /> Submit completed application for a monitor well and/or soil <br /> borings to PHS/EHD. (Form enclosed. ) <br /> Prior to issuance of permits, a copy of the demolition permit <br /> issued by the City of Mantec for the demolition of the <br /> building previously located at this site shall be submitted to <br /> PHS/EHD. <br /> 3 . Definition of the North, East and Westerly borders of <br /> contamination are now possible Jue to the destruction of the <br /> previously existing building. Suggest methods to be used to <br /> define "zero lines" in these directions for soil and <br /> _ __.groundwater contamination. <br /> Applied GeoSystems, "Preliminary Repo t Evaluation of Soil and Groundwater <br /> conditions" . AGS Report No. 38053-1. <br /> A Division of,San Joaquin Counry Heg Irh Care Services <br /> f <br />