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SVestern t)oeratlons <br /> • -I s is - " ClqVtorl <br /> CO% SIUL T - N TS <br /> .lune 12, 1990 <br /> Gayton Project No 29531 00 <br /> Ms Laurie Cotulla <br /> SAN JOAQUIN COUNTY PUBLIC HEALTH SERVICES <br /> Environmental Health Division <br /> P O Box 2009 <br /> 1601 E Hazelton Avenue <br /> Stockton, CA 95201 <br /> SUBJECT- Soil Aeration at Parcel B of Land at <br /> MacArthur Drive and Grant Une Road in <br /> Tracy, California <br /> Dear Ms Cotulla <br /> Interiand Corporation retained Clayton Environmental Consultants, Inc to develop <br /> this work plan for remediation of the gasoline-contaminated soil at its parcel of land <br /> located at MacArthur Drive and Grant Line Road in Tracy, California Site location <br /> and topography are provided in Figure I Interiand work approval is mciuded in <br /> Attachment A. <br /> l ACKQR0L., . PURPosE <br /> In January 1990, Clayton conducted a Phase I environmental assessment of the <br /> subject property The assessment revealed that a gasoline underground storage tai,k <br /> (UST) was removed tram the site in 1986 Kapreahan Engineering, Inc (KEI) had <br /> been retained by the owner, Mr. Jim Joseph. to install a groundwater monitonng well <br /> near the removed UST. The well was installed to a depth of 25 feet A water sample <br /> from the well was analyzed for total petroleum hydrocarbons (TPH) as gasoline and <br /> for benzene, toluene, ethylbenzene, and xylene (BTEX) All of these .onstituents <br /> were below detectable limas CIayton could not find the well during the assessment <br /> We were later informed that it had been abandoned. <br /> At the requeat of Orchard Supply Hardware (OSH) the potential purchaser of the <br /> property. Clayton installed three monitonng wells at this site Locations of these wells <br /> are provided in Figure 2. <br /> '"31 AARCP <br /> 1 I,eu1n t 1 rnnm.nt111 i.u i uu, i . �, . n <br /> a 5 A t1r lv n in q vrt+p Inv . \rn, X11 Edn1n \I • L%avne Psi S.tnnc,nv t A <br /> 1'1.x. .. , 1 • i ,r . i 1 • `•I rN1tu 1)ntalnl 11 MW '1911 0 <br /> 4irmin¢11am 1,h . rnnnn 1. A wu hamyson it k <br />