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Sent By: aToxichem Management SystemsnC;650 551 0116; Aug-29-00 :16PM; Page 1 /2 <br /> California Regional Water Quality Control Board <br /> `■/ Central Valley Region o .f <br /> Steven T.Butler,Chair <br /> Winston H-Htckox Gov Davis <br /> Secrelaryfor Sacramento Main Office Governer <br /> Snvimnmenlal lntemat Addmss: http:/Iw .4-rcb.ca.gov/—wqcb5 <br /> Pralectiun 3449 Rouder Road,Suite A,Sacramento,Culirumia 95827-3003 <br /> Phonc(916)255-3000•FAX(916)255-3015 <br /> 15 August 2000 <br /> Mr. Jeff Goold <br /> Equiva Services LLC <br /> 10602 NE 38"Place <br /> Kirkland, WA 98083 <br /> WORK PLAN APPROVAL,F,QUILON BULK FUEL FACILITY,STOCKTON, SAN JOAQUIN <br /> COUNTY <br /> I have reviewed Toxichem Management Systems, Inc.'s 14 July 2000 Site Investigation Work Plan for <br /> the Equilon Bulk Fuel Facility at 3515 Navy Drive in Stockton. The work plant proposes to drill two <br /> borings east of monitoring wells (MWs) 11 and 17 next to the eastern perimeter fence of the facility. <br /> Specifically,the work plan recommends to do the following: ('1) Install the two borings described above, <br /> (2) Collect soil samples for logging and possible chemical analysis every five feet or less, (3) Submit <br /> two soil samples per boring for laboratory analysis, (4) Install a 4-inch groundwater MW in each boring, <br /> and (5)Develop and survey the MWs and incorporate them into the monitoring program. <br /> My comments on the work plan are presented below. <br /> 1. The work plan should specify that the soil samples are going to be analyzed for total petroleum t <br /> hydrocarbons as diesel and gasoline; benzene,toluene, ethylbetlzene and xylenes; and oxygenates <br /> including methyl tertiary butyl ether. <br /> 2. If the MWs are completed within a month of the regular quarterly sampling event, then Equilon may <br /> sample the newly-installed MWs during the quarterly sampling event. If not, Equilon should sample <br /> the MWs within a week of completion. <br /> The work plan is hereby approved provided the above comments are incorporated. By 29 August 2000, <br /> please submit a schedule to: (1) Implement the work plan and (2) Submit the investigation report. The <br /> investigation report should be prepared in general accordance with Attachment 1, Items 7'0 Be Included <br /> In A Site Assessment Report. <br /> California Environmental Protection Agency <br /> 0 R,,,ycicd Pnper <br />