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STATE OF CALIFORNIA—CALIFORNIA ENVIRONMENTALISECTION AGENCY • PETE WILSON,Governor <br /> DEPARTMENT OF TOXIC SUBSTANCES CONTROL <br /> 400 P STREET,4TH FLOOR <br /> P.O.BOX 806 <br /> SACRAMENTO,CA 95812-0806 <br /> (916) 323-3372 <br /> MEMORANDUM <br /> To: Jerry Marcotte, Chief <br /> Regional Groundwater Unit <br /> From: Jean Young <br /> Hazardous Substances Engineer <br /> Date: June 28 , 1996 <br /> SUBJECT: LODI GROUNDWATER INVESTIGATION COST ALLOCATIONS <br /> PURPOSE <br /> This memo discusses the procedures used to calculate the <br /> City of Lodi' s share on Lodi groundwater investigation costs . It <br /> also documents itemized costs incurred by the Department of Toxic <br /> Substances Control (DTSC) ' s contractors during Phase I <br /> investigation at the Lustre-Cal, Busy Bee and Guild sites . <br /> BACKGROUND <br /> DTSC' s Phase I investigation was conducted in 1993 and 1994 . <br /> Activities involved included file review, field sampling of <br /> groundwater, sewer water, and soil gas, investigation of private <br /> wells, and development of workplans, final reports, mailing list <br /> and factsheets for distributions to the Lodi communities. Work <br /> completed by contractors are described below: <br /> URS was hired to conduct file review, well investigation, <br /> prepare workplans for proposed sampling work, oversee <br /> groundwater, soil gas and sewer sampling, and prepare final <br /> reports; <br /> Layne Environmental Drilling (Layne) was hired to conduct <br /> groundwater sampling using their HydroPunch (HP) sampling <br /> method and equipment; <br /> Chemical Waste Management Incorporated (Chem Waste) was <br /> hired to dispose of the drill cuttings generated during <br /> groundwater sampling <br /> Vector Engineering (Vector) was hired to conduct soil gas <br /> sampling; and <br /> Booze-Allen was hired to develop mailing lists, prepare and <br /> distribute factsheets. <br /> h <br /> 4 <br />