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<br /> e �IM,]. -,PRELIMINARY SUBSURFACE INVESTIGATION `
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<br /> 3 V Ir" - ' WORK PLAN �=� "I ; '-– � yzx�,,_
<br /> .��- , .__ = Ma'y 1996 s
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<br /> ` is : Mettler Property
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<br /> E� ; ��T �� s 14090 Alpine-Road . I
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<br /> 1:0. INTRODUCT)(ON ' w r � _ � .4 -:- �� �k
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<br /> &--accordance:with the request of>Mi Leroy Mettler;Advanced GeoEnvfronmental; Inc; (AGE) has 4 -
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<br /> F prepared this Work Plan for performansce of a subsurface rnvestigatron-_ `t`
<br /> t 140.90.A]psne Road rn Lodi,:b3 _
<br /> California:The scope„-__f k,;includes-ihe-advancement'of six soil probingsYnear the locat�o s of two_
<br /> P. rundergNund .storage_tanks at the subject srte The location.of the-site is illustrated �n Figure 1
<br /> _s Lacatrorz 1VMgp A plan-of the site is illustrated on Fjgure 2 Srte Plara _ i = x ”
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<br /> , This work plan,rs�prepared- �n accordance tivith San�Joaqum�Co%tnty ubl c.Healt'lr Services _ .
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<br /> ,.= ' Environmental Health Dr�ision (PHS=EHD} and Central Valley R bidnal Water Quality Cbfitrol �
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<br /> Board guidelines for the investigation of undergroundstorageitank-(UST) sites_
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<br /> 2 0: BACKGROUND T _ _� �" = a �.
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<br /> F r The site is-presently occtrpied-by a resrdencc and approximately_ acres .w--.of vineyards/oichards One;Ems` 3 ,-
<br />"' _ gasolinefand one-heating oil:underground_storage tar�lc.(UST),I Fe located�on the-property It is our r
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<br /> ` understanding that the gasoline UST:was filled vA concrete slurry rn 1995 and the fiael in-the heatrng µ
<br /> o�l.tatnc has been_d�sposed AGE performed an mitral prelinuna „ investigation afbath iJST areas in : �'
<br /> . March 1_99b One=soil sample was.collected to :th_e vicinity f yF - h LIST -troleum Hydrocarbons p ���
<br /> were. defected in both soil samples"•collected A-n.additionalinvestigation will be�requ3red'totassess, - �
<br /> the lateral and vertical:extent rf 2mpacted soil °- hr. ' �t.,'--Sz �� F
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<br /> 3 0 y SCOPE OF�'VORK- �� � = i f�
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<br /> 3 1 '12PROBING AND SAMPLING ,- k
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<br /> 1� AGE'pr�oposes to initially advancesrxaoil proliings to maximum depths of 25 feet below surface -
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<br /> grade{ting) Probrngs Wille advanced uS�ng a Geoprabe 540p so►1 probing brut equippedwith 1'.125 = -
<br /> - �� = inch dratrieter- robe ods .Probrn s will i advanced around the�UST .real -Pro osed rabrn _ T L
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<br /> s - locatrons are illust{ated o Figure 2. t ' i � F � - �3 ,.,.mss _ }
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<br /> 3Soil=samples vtinll:be collected a five=foot intervals in most probings,.some probings maybe sampled$; - - `_
<br /> .�-at three-foot rirtervals:,Samples-willbe collected using a,Geoprobe sa"inpung:assembly preloaded wrth
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<br /> __four 1 125 by 6 inch,brass:sleeves Upon retrieval, the ends of the second brass sleeve will be �, a --�
<br /> covered with Te#lori sheets, capped'µand sealed wrth tape The samples�,wrll;be placed_in a:chrlled."�- x
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