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U.S. Technica. Lnvironmental <br /> USTEC Consulting, Inc. <br /> y5 <br /> DEC 10 <br /> December 9, 1991 AVIRONMENTp . J-TH <br /> PERM IT/SERV <br /> ± . -=+ <br /> Mr. Steven Schneider, R.E.H.S. <br /> San Joaquin Public Health Services <br /> Environmental Health Division <br /> 445 North San Joaquin <br /> Stockton, California 95201 <br /> RE: REPLY TO QUESTIONS FROM THE PHS/EHD RESPONSE TO THE REMEDIAL <br /> ACTION PLAN FOR STOCKTON,CALIFORNIA,PHS SITE CODE 1297. USTEC JOB <br /> NO. 90054.03. <br /> Dear Mr. Schneider: <br /> U.S. Technical Environmental Consulting, Inc. (USTEC), has received comments from the San <br /> Joaquin Public Health Services (PHS) review of the Remedial Action Plan for the Coca-Cola <br /> Enterprises facility located at 1100 North Wilson Way,Stockton,California. This letter has been <br /> prepared in response to the PHS comments which have been attached. The number for the <br /> response corresponds to the number the comment number in the PHS review letter. <br /> 1. All forthcoming documents will be sent to the Central Valley Regional Water Quality <br /> Control Board (CVRWQCB), 3443 Routier Road, Suite A,Sacramento, California,95827- <br /> 3098, Attention Elizabeth Thayer. <br /> 2. It was not the intention of USTEC to imply that the hydrocarbons found in the <br /> groundwater beneath the site were not in need of remediation at this time. As discussed <br /> with Mr. Steven Schneider prior to submittal of the Remedial Action Plan, the <br /> hydrocarbon concentrations beneath the site are relatively minor and USTEC does not <br /> feel that a separate groundwater pump and treat system is needed at this time. We <br /> believe that the vapor extraction system will have a positive effect on the remediation of <br /> the groundwater and suggest that for now, the groundwater be monitored only. If after <br /> one year the hydrocarbon concentrations in the groundwater have not been reduced,then <br /> a separate groundwater treatment system would be considered. <br /> 3. The soil remediation goals listed in section 8.0 of the Remedial Action Plan were listed <br /> as a suggestion. As stated in the report, the actual regulatory cleanup standards would <br /> be established by CVRWQCB. USTEC expects to receive a Cleanup Abatement Order <br /> (CAO) from CVRWQCB stating the target cleanup goals. Hydrocarbons at the site will <br /> be remediated to standards set by the CAO. Groundwater at the Stockton facility has <br /> been at least 67 feet below land surface for six quarters. <br /> 1414 W. Broadway Rd. • Ste. 150 • Tempe, A7. 85282 • BLIS: (602) 829-6311 • Fax: (602) 829-6315 <br /> Tempe, A7_ • Tampa, FL • 1,c XingIon. MA • Noy i, MI • Dallas, I'X <br />