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= 'Additional-Site Assessment Work Plan. <br /> SARA.LE FARMS t =r <br />'- 16500 Clifton Court Road, Stockton,.California <br />- 9 .. -• - J'.y� _ � i - � - �� it ... + <br /> 1.0. INTRODUCTION' ` <br /> r :r At the request'of Ms. Sandi Sarale.of Sarale Farms?:Advanced GeoEnvirohmental;yInc. (AGE) has <br /> prepared the enclosed Additional Site Assessment Work Plan far X16500 Clifton Court Road in-F <br /> l_ <br /> Stockton, California. The work plan includes the advancement of-four paired cone penetrometer: <br /> testing (CPT) soil borings for the-collection. of soil_andgr ound:water'samples and .to.model the <br /> { geologic and'hydrogeologic framework-beneath' he site. The location �of the site �is"shown on v <br /> _ Figure 1, A plan of the site is illustrated-on'Figure 2 Y: 4e, <br /> .=-The EHD requires additional'site' assessment of-the vertical-and''lateral'extent'of•hydrocarbon-- - <br /> impacted soil and-ground water due to the presence_of dissolved.petroleum hydrocarbons beneath-,? `s 4 <br /> the site. This work plan was:prepared at.ihe_request of Mr. Nuel!Henderson, Jr. of the-;San Joaquin <br /> ... <br /> 'Count -Environrriental Health De .artnient EHD in a letter dated August 2044;and was re ared,'�_ <br /> y p (EHD) p p � <br /><< in'accordance-with California Regional Water Quality-Control-Board':"- Central:Valley Region '_ - _ <br /> : . (CVRWQCB} guidelines for the investigation of underground storage tank (UST) sI e's <br /> 2.0. `. BACKGROUND <br /> " . -The site is located in a topographicallyflat area-of Stockton, California (Figured), approximateI' r ..- <br /> 0.'S mile west of the intersectionof;Wgist Cliftori`Court.Road and Ca1.Pack Road;-and is presently= <br /> utilized as a storage and repair facility for agricultural equipment and operations:-A portion of the <br /> k site is occupied by several'structures-implemented for office space .equipment maintenance, and a' •}° <br /> ► storage yard. One 10,000-gallon gasoline UST:wis formerly located in"the northern paition of <br /> _property.'Structures and the formertank location are illustrated on_Eigure 2 <br /> 4 - LOGIC SETTN2.1. REGIONAL GEOLOGIC/HYDROGEO <br /> - - <br /> The site'is situated within the Great Valley Georriorphic Province of California,a large, elon at6. <br /> g , - .. <br /> northwest-trending, asymmetric structural trough:The'Great Valley^Provinee has Been filled with•Z�` J <br /> ' thick sequences of sediment ranging in age.from Jurassic toRecent-, creating-a nearly flat-lying : 7 <br /> 'alluvial plain that extends from the Tehachapi Mountains in the sou-th.to the Klammath Mountains} y <br /> in the north. The-California Coast Range and the Sierra Nevada comprise the_western'and eastern:? <br />#'. boundaries of the province, respectively. Rocks composing_the basement,complex of.the province;' <br /> 'have not been completely'defined:but-are believed to.be:of metamorphic and igneous origin. TheW' <br /> northern and southern portions of the Great Valley Province have been,designated the_Sacramento`i.J. <br /> Y. <br /> and San Joaquin Valleys, respectively. <br /> } e Advanced GeoEovironinental Inc - <br />