Laserfiche WebLink
r <br /> C A M B R I A <br /> A <br /> ' L <br /> August 17, 1998 <br /> Mr Ron Rowe <br /> San Joaquin County Department of Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Avenue, 3'Floor <br /> I , Stockton, California 95201-0388 <br /> Re CPT Investigation Report <br />�!t Shell-Branded Service Station <br /> 341 Main Street <br /> Ripon,California <br /> WIC#204-6562-0804 <br /> Cambna Project#24-324-11 <br /> f�� Dear Mr Rowe <br /> Cambna Environmental Technology, Inc (Cambna) is submitting this report on behalf of Equilon <br /> Enterprises LLC (Equilon) that summarizes the installation of ten cone penetrometer testing (CPT) <br /> borings and related sampling at the site referenced above <br /> This subsurface investigation was requested by the San Joaquin County Department of Public Health <br /> Services (SJCPHS) in two letters dated May 28, 1998, and July 7, 1998 The scope of work was <br /> outlined in Cambna's June 29, 1998, Investigation Work Plan Addendum #3, and July 10, 1998, <br /> I Investigation Work Plan Addendum#4 Investigation Work Plan Addendum#4 also included a study <br /> ' of potential vertical and horizontal conduits and the results of a well survey that Cambria performed of <br /> wells in the surrounding area <br /> The objective of this phase of the investigation was to evaluate the prescnce and extent of <br /> Oakland, CA hydrocarbons, and methyl-tert butyl ether (MTBE) in soil and ground water beneath the site A site <br /> tSonoma CA summary, including a history of previous investigations was included in Cambna's Well Installation <br /> Portland OR Report, dated April 28, 1998 <br /> f Seattle, WA <br /> Cambria SJCPHS also requested information relating to the historical use of fuel oxygenates at the site A letter <br /> Environmental from Shell Oil Products Company to the San Francisco Regional Water Quality Control Board regarding <br /> Technology, Inc chemical constituents that includes historical information is attached as Appendix D <br /> 1144 65th Street <br /> INIIIIII&Suite B <br /> Oakland CA 94608 <br /> Tel (510) 420-070o <br /> Fax 15101 410-9170 <br /> l <br />