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Site History
<br /> Boyett pe�oleum 0419 S.Main St Manteca)
<br /> gage 2 of 14
<br /> collected from each boring
<br /> at depth intervals
<br /> were aboratory analytical results o£the
<br /> 6-26.5 feet for laboratory analyses'l- or above the laboratory
<br /> intervals for soil classification and three soil samp es ns Were not detected at
<br />` of 16-1b.5 feet,20-21.5 feet,and etrQ cum hydrocarbo
<br /> twelve sail samples indicated p les. California,advanced
<br /> of the samp
<br /> Of Sacramento, 6.4 feet bgs,
<br /> reported detection limits in any VBI In-situ Testing e of 76 and 7
<br /> in conjunction with Were completed to depth
<br /> February 2,2001,WHF CPT-1 and CPT-2 aL Beds of clay were encountered in CPT-1 a
<br /> On sat the site were encountered at depths of
<br /> two CPT boring inated due to refus 2 beds of clay ort of their findings of
<br /> Both borings were term s In Cpf-
<br /> respectively. s WHF sub of the S3CEH�
<br /> 4 feet,and 62.7 to 66.9 few bg3effrey Wong -
<br /> depths o£20 to 24.1 feetand
<br /> 56 54.2 to 57.6 feet g to Mw
<br /> -
<br /> the
<br /> to 26.4 feet, 49.7 t 7,2401, well,M
<br /> s in a letter dated February deep monitoring
<br /> the CPT boringcompleted a roximately 40.5 to
<br /> at app were
<br /> WIIF, in eonj well was installed Two soil samples
<br /> uncti een d interval for the Drilling,
<br /> On April 25, 2041, s The scr roximately 17 feet bgs
<br /> to a depth of 50.5 feet bg .e th was measured at appfeet for la'oOratory analyses. onethe bof the analytes
<br /> a ehole of
<br /> g, les collected from
<br /> 54.5 feet bgs• Groundwater d p the of 43.5 feet and SD
<br /> TBE) W-9 indicated that none
<br /> and M were detected in the from M were detected,
<br /> MW-
<br /> collected froBTthe borehole EX,TPII Gnat depths groundwater, samp oxygenates/ of
<br /> of concern{ gasoline oxyg In the Final Report
<br /> Laboratory analytical results rp a Cj and selected
<br /> MW-9. BTEX, TPH-G, WHE concluded that the
<br /> f the analytes of concern ( 2041, ended that
<br /> o which was detected at a concentration of 1
<br /> inati,n dated lune 29, east of
<br /> Groundwater Contarn not been identified and recamm
<br /> with the exception of lij1TB contamination had
<br /> Lateral Extent of well be installed directly
<br /> Findings ~ petroleum hydrocarbon one additional monitoring
<br /> source of the p continue,
<br /> water monitoring be taken at this site until the source was identifie - and collect
<br /> quarterly ground levels a
<br /> the fuel island,and that no remedial action quarter 2002 groundwater
<br /> entat.ve of Candor was Onsi foothetl}rd Q Ater MW-4 andlvlW-5
<br /> tember 26, 2002, a repres 1 through M- silted,and
<br /> on
<br /> Sep les at monitoring Fells MW- 5 and MW-6 Fere heavily
<br /> groundwater samp wells MW MW , ortion of the field activities.
<br /> event,lvlonitoring r�.as onsite to observe a P wells NWA,
<br /> monitoring 1,�Tong of the SiCEHD monitoring
<br /> were dry Mr• leffre} lied to MV+t-4 and MW-5
<br /> a Condor representative was onsit T edule app from the wells. The
<br /> 2002. The redevelopment P the water
<br /> At the request of the glC prem and then bailing Well-rounded, and well-sorted
<br /> MW_5, -he well
<br /> and MW-6 on September 27, ained,
<br /> the wells with potable water, to coarse-�'
<br /> fisted of flushing lis consisted of medium reduce the amount of sedi�deaica dor's field
<br /> cons the We ificantly pack to
<br /> sedirr►ent removed from W-4 and MW_5 was not successful. Based
<br /> sand p
<br /> The redevelopment activities ,a 1pf M 5-4 ed and allowing
<br /> sand, redevelop a Significant amount of the
<br /> s canseauently, casings of these wells are redeveloped
<br /> removing analyses from
<br /> casing eared the redeveloped by
<br /> observations, it app M-N-6 was Successfully le was collected for lahorato with petroleum
<br /> casings A groundwater samp or odors associated quarterly
<br /> infiltrate inside the g ' roduct, sheen, quarter 2002 Q
<br /> 2002, No floating P led duxing the third q ificant
<br /> sediment from inside the well casing of the wells Sampled led contained a sign
<br /> MW-6 on September 30, in any wells samp the
<br /> were observed oundwatex samples collecte at
<br /> hydrocarbons event. All of the groundwater monitoring BTEX, TPH- ,
<br /> groundwater monitoring
<br /> analytical results for the � s of concern
<br /> re arced detection limits
<br /> amount of suspended sediment.Laboratory was detected in the
<br /> 6 and 30, 2002, indicated that Wane of the ani yt -$. MTBE
<br /> tember 2 were detected at or aboand lviV�Toratory P + v
<br /> site on Sep MW-6, -r AN `"aG �et��ted ... ..P
<br /> gasoline ox
<br /> MW_
<br /> selected g les collected from �htiar-� M"Y�, a„,d r ��r a �...•.
<br /> groundwater samp ter level rneasurernents collected on
<br /> in the grcolic^te'd from 1,lti�r_l, _,_ �' "7 Static water
<br /> west.
<br /> „ia� - MW�I and MW- the southlsouth
<br /> b ,,,arPr sa "ries collected from
<br /> groundwater samp enerally indicated a groundwater flaw direction o
<br /> September 26,2002, g
<br />
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