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83 WEST MARCH LANE November 29 1990 <br /> SUITE 12 ► <br /> STOCKTON,CA 95207 !*� <br /> sou PHONE:(209)476-1635 e <br /> AIAf WGM DESIGNSrXON ILTAWS 41 <br /> 1 <br /> Ms. Eleanor Ratliff, REHS ���; ;. . � I ► �� <br /> C � F. <br /> San Joaquin County Public Health Services `,.` <br /> Environmental Health Division <br /> 1601 East Hazelton Avenue <br /> P.O. Box 2009 <br /> Stockton CA 95201 <br /> � W.O. 6254-01-02 <br /> RE: Groundwater Investigation Plan - Grantline Plaza, Tracy, <br /> California <br /> Dear Ms. Ratliff, <br /> ROY F. WESTON, INC. (WESTON) on the behalf of Souza Realty <br /> respectively submits the enclosed proposed Groundwater Investiga- <br /> tion Work Plan for your review and approval. A timely review would <br /> be appreciated by both Souza Realty and WESTON. <br /> The Work Plan describes the methods which will be employed by <br /> WESTON to investigate the possible presence and extent of petroleum <br /> hydrocarbon residue in groundwater at the property located at 350 <br /> West Grantline Road in Tracy, California. This Work Plan follows <br /> the procedures for a groundwater investigation as defined in the <br /> State of California Tri-Regional Recommendations. <br /> The subject property is to become part of a commercial development <br /> to be known as the Grantline Plaza. An underground storage tank <br /> which contained regular gasoline was removed from the south side of <br /> the property in September 1986. Subsequent water sampling from the-- <br /> tank excavation indicated elevated levels of BTXE and TPH in the <br /> water. The excavation has been backfilled with clean fill. The <br /> San Joaquin County Public Health Services, Environmental Health <br /> Division (EHD) was notified of the results and a report from EHD <br /> dated October 5, 1988 indicates that a "further site assessment may <br /> be required by the appropriate regulatory agency. " <br /> If you should have any questions, please feel free to contact me at <br /> your convenience. <br /> Sincerely, <br /> ROY F. WESTON, INC. <br /> aures L. Stabler, P.E. , R.E.A. <br /> Principal Project Manager <br /> JLS/cmc <br /> Enclosure <br />