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SL r <br /> PARSONS ENGINEERING SCIENCE, INC. <br /> 290 Elwood Davis Road,Suite 312•Liverpool, New York 13088•(315)451 9560•Fax(.315)'451'9579,,' t z <br /> 01 <br /> January 14, 1997 <br /> Mr Michael J Infurna <br /> San Joaquin County <br /> Department of Public Health Services <br /> Environmental Health Division <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 /> On behalf of Greyhound Lines, Inc (Greyhound), Parsons Engineering Science, Inc (Parsons <br /> ES) is pleased to present the December 1996 Quarterly Status Report for the Greyhound terminal <br /> in Stockton, California The report provides the information specified in Appendix A of "Tn- <br /> Regional Board Staff Recommendations for Preliminary Evaluation and Investigation of <br /> Underground Tank Sites (December 1990)" Greyhound has reviewed and approved this report, <br /> and has assigned Parsons ES to be their designated representative for preparation and subnnittal of <br /> the quarterly status reports The enclosed report has been completed accurately, and in <br /> accordance with applicable LUFT and Tri-Regional requirements Greyhound agrees with the <br /> conclusions and recommendations outlined in this cover letter and the attached report <br /> As described in the report, groundwater samples were collected at the Stockton facility on <br /> December 11, 1996, and analyzed for TPH-D (Modified EPA Method 8015) and benzene, <br /> toluene, ethylbenzene, and xylene (BTEX) (EPA Method 8020) BTEX parameters were not <br /> detected in any of the groundwater samples TPHD was detected in MW-2 at 3 7 ppm and in <br /> MW-3 at 9 3 ppm The sampling event included newly installed MW-4 which was installed to <br /> provide closure of the western extent of the limited soil plume <br /> If you have questions or require any additional information, please call us at <br /> (315) 451-9560 <br /> Sincerely, <br /> PARSONS ENGINEERING SCIENCE, INC <br /> Q 7dj,LL, <br /> Christopher R Toreil <br /> Proles Geologist <br /> © NA� <br /> David L Chaffin, R G <br /> California Registered Geologist <br /> (No 4885) <br /> cc Leroy Hernandez, GLI, Dallas, TX <br /> Elizabeth Thayer, Regional Water Quality Control Board <br /> d PARSONS PARESSYROIIVOLI WP1728878108969108969L03WW6 <br />