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PARSONS ENGINEERING SCIENCE, INC. <br /> 290 Elwood Davis Road,Suite 312•Liverpool,New York 13088•(315)451-9560•Fax(315)451-9570 <br /> June 14, 1995 <br /> Mr. Michael J. Infurna JUN-- 1 9 1995 <br /> San Joaquin County <br /> Department of Public Health Services <br /> Environmental Health Division EN IRON MSERVIHEALTH <br /> ES <br /> P.O. Box 388 ., <br /> 445 N. San Joaquin Street <br /> Stockton, California 95201-0388 <br /> Re: Greyhound Terminal <br /> Location #8969 <br /> Stockton, California <br /> Dear Mr. Infurna: <br /> In accordance with your letter dated June 8, 1995, corrections have been made to <br /> Table 2 as described in your letter. The detection limits for BTEX (0.5 µg/1) and TPH-D <br /> (50 µg/1) have been changed as requested. As requested, a hydraulic gradient calculation <br /> will be provided in all future quarterly reports and Greyhound will continue to provide <br /> advanced notification to PHS for future groundwater sampling events. <br /> As you are aware, Greyhound previously included,TPH-G in their sampling program <br /> and no detections were found in the groundwater at the Stockton facility. The analytical <br /> parameters tested currently by Greyhound are consistent with the type of product <br /> previously stored (diesel fuel) and LUFT requirements. If your department wishes to test <br /> for other parameters, Greyhound authorizes PHS to do so at PHS's expense. <br /> y If you have any questions or require additional information, please contact us at (315) <br /> 451-9560. <br /> Sincerely, <br /> PARSONS ENGINEERING SCIENCE, INC. <br /> 4 <br /> David FA. Nickerson <br /> Project Manager <br /> DAN/lml <br /> ,;,1.6'" <br /> cc: Greyhound - Dallas-, TX <br /> PARSONS PARESSYR01\VOLI MP\727211\08969\08969L02.DOC <br /> PARMS YR01\V OLI:%M727211\W%9\08969 S M.W K1 <br />