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•Err.. I <br /> E � <br /> i f <br /> Ei VIRON 1 <br /> FLUOR DANIEL GT$04 E, We MENTAL HE <br /> ber ALT I/iS! <br /> P. O' Box 388 Ave' Third F! H D! ON <br /> F <br /> September 3, 1997 approved tockfon CA 9 r <br /> p E. Denied 8201-0388 <br /> Conditions <br /> Mr. Steve Sasson Date <br /> San Joaquin County �` <br /> Public Health Services, Environmental Health Division by <br /> 304 East Weber Avenue, Third Floor -` <br /> Stockton,CA 95202 <br /> Subject: Work Plan for Well.Destruction Soil Stockpile Sampling and Excavation Backfill <br /> Barbara Drake Site <br /> a.k.a. Ron's Corral <br /> 28485 North Thornton Road <br /> Thornton, California <br /> Fluor Daniel GTI Project 020700512 <br /> Dear Mr. Sasson: <br /> On behalf of Ms. Barbara Drake, Fluor Daniel GTI, Inc. (Fluor Daniel GTI) submits this letter as a work plan I <br /> for the destruction of three groundwater monitoring wells,soil stockpile sampling and the backfilling of the I <br /> former underground storage tank(UST)excavation at the subject site (Figure 1,Attachment 1). The <br /> groundwater monitoring wells are being destroyed in.response to the August 12, 1997 letter from the San j <br /> Joaquin County Public Health.Services,Environmental Health Division (PHSIEHD), requesting <br /> abandonment of the wells take place prior to issuance by the PHSIEHD of a "No Further Action"letter for <br /> the site. The scopes of work for each task are summarized below. <br /> Site Specific Health and Safety Plan/Permitting <br /> Fluor Daniel GTI has prepared a site-specific Health and Safety Plan for the site as required by the <br /> Occupational Safety and Health Administration (OSHA) Standard "Hazardous Waste Operations and <br /> Emergency Response"guidelines (29 CFR 1910.120). The document will be reviewed and signed by all <br /> Fluor Daniel GTI personnel and subcontractors performing work at the site. <br /> i <br /> sy <br /> 1 <br /> Monitoring well destruction permit applications from the San Joaquin County PHSIEHD are attached with i <br /> the appropriate remittance (Attachment 2). <br /> Well Destruction Procedures <br /> Fluor Daniel GTI will supervise the proper destruction of three groundwater monitoring wells in the locations <br /> shown on Figure 2. Well MW-1,which has historically not contained dissolved petroleum hydrocarbons <br /> above detection limits, will be abandoned by employing a tremie-grout procedure. The well box will'be dug <br /> 20700512.W D <br /> 757 Arnold Drive, Suite D / Martinez, CA 94553 USA (510) 370-3990 FAX(510) 370-3991 <br />