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OV/1b/1999 08:21 2095385852 GEOLOGICAL TECHNICS PAGE 01/01 <br /> GeotogicaCTecgics Inc. <br /> 2741IU*FI at( <br /> M-&,W,cd forma 95351 <br /> (109)538-"2417a�#5M-5852 <br /> September 15, 1999 <br /> Project No. 320.2 <br /> Project Name: Del-Tech(Sinclair) <br /> Mr. Ron Rowe <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Street, Third Floor <br /> Stockton, CA 95201 <br /> Re: Response to August 6, 1999 Letter <br /> Sinclair Trucking, 3780 West Linne Road,Tracy,CA <br /> Dear Mr. Rowe: <br /> Today I received a copy of the letter you wrote to Jay Sinclair of Sinclair Trucking on August <br /> 6, 1999. In that letter you gave Sinclair a deadline of September 15, 1999 to submit a work <br /> plan to address certain concerns you have stated in your letter. Sinclair did not receive your <br /> letter and since you did not have Geological Technics Inc. copied on this letter, a work plan <br /> was not prepared. <br /> To resolve this problem, please place Geological 'Technics Inc. on the CC list for future <br /> correspondence. This is a common practice and is used to avoid problems like this. Thank <br /> you. <br /> Now with regards to the work plan, Sinclair requests a 14-day extension to this deadline. <br /> Due to our work schedule during the next few days, we need an extension to provide enough <br /> time to address your comments_ <br /> With regards to the requested documentation to be provided by September 1, 1999, the <br /> following response is provided; <br /> 1. Benzene lab data from the Feb 19, 1999 monitoring event will be :forwarded to you as <br /> soon as they are received from the laboratory. <br /> 2. MW-4 was not surveyed into the other wells for the following reasons: <br /> ■ The land surveyor we have used for year was fighting a loosing battle with cancer and <br /> so we were only using his surveys on necessary projects. Duane died this summer <br /> and we now have a new surveyor. <br /> • Sinclair already had 3 wells that we could calculate groundwater gradient with, so <br /> surveying MW4 is not necessary at this time. <br /> After additional wells are installed, Geological Technics Inc. will have all the wells surveyed <br /> together and will send you the surveyor's report. <br /> Respectfully, <br /> GZOLOGIC.L TECXXICS zN . <br /> Raynold 1. Kablanow 1I, Ph.D. <br /> RG/I iG/REA <br /> CC. Don Light-Del-Tech <br />