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4K4 <br /> Groundwater Analytical Results <br /> Chevron Service Station#9-2033 <br /> 508 West Charter Way <br /> Stockton,California <br /> EXPLANATIONS <br /> Groundwater monitoring data and laboratory analytical results prior to May 31,2000 were compiled from report%prepared by Blaine Tech Services Inc <br /> 1,2-DCA= 1 2 Dii hloroethane Cd=Cadmium Ph=Lead <br /> (ppb)=Parts per billion Cr=Chromium 7n=Zine <br /> 106= Total Oil and Grease Ni=Nickel --=Not Analyzed <br /> 2-Meth)lnaphtalene and Naphthalene were 8 7 and 33 ppb respectively <br /> 2 2-Methyinaphtalcne and Naphthalene,were 8 7 and 50 ppb respectively <br /> 2 Naphthaline was detected at 34 ppb <br /> ' 2-Methylnaphialene and Naphthalene Here 5 3 and 35 ppb respectively <br /> S Diethvlphthalate was detected at b 9 ppb <br /> ° Naphtlialcne was detected at 6 8 ppb <br /> 7 All other bernivolatile Organic C ompounds(SVOC s)by EPA Method 8270 were ND,except for sts(2-eth%Ihexyl)phthalate was detected at 27 ppb <br /> 8 All other Volatile organic Compounds(VOC%)by EPA Method 8010 were less than the reporting limit <br /> All other SVOCs by FPA Method 8270 were less than the reporting limit,except for f3i,,(2-c1hylhexyyl)phthalate was detected at 12 ppb <br /> 10 All other VOCs by LPA Method 8010 were less then the reporting limit except for Chloiotorm which mas detected at 17 ppb <br /> I Laborator} report indicates that this Sample was anal)red outside of the CPA recommended holding tune <br /> 12 All sample containers wexe broken on this date <br /> I i All other VOCs by EPA Method 8021 were less then the reporting limit <br /> i' All other SVOC,,by ITA Method 8270 were less than the reporting limit,except for Bis(2 ethyIbex)1)phthalate was detected at 71 ppb <br /> '` All other SVOCs by EPA Method 8270 were less than the,reporting limit except for 13i%(2-cthvIhexyI)ph1haIa(e was detected at 26 ppb <br /> 16 All other SVO[,s by LPA Mt.thod 8270 were less than the reporting limit,except for Bis(2-etbylhexyl)phthAate w,s detected at 13 ppb <br /> 77 All other SVOC9 by EPA Method 8270 were less than the reporting limit <br /> is All other SVOC%by EPA Method 8270 Wert le%s than the reporting limit,except for Bis(2-eth)lhexyI)phtbalate was detected at 23 ppb,and Chloroform at I ppb <br /> 19 All othei SVOCs by EPA Method 8270 wem less than the reporting limit,i xcept for Chloroform was detected at 15 ppb <br /> 20 All other SVOC%by EPA Method 8276 were less than the reporting limit,except for Diethylphihalate was detected at 2 ppb and bis(2-Ethylbe♦yl)phthalate was detected at 16 ppb <br /> 21 All other SVOCs by EPA Method 8270 were less than the reporting limit,except for Bts(2-ethylhcxyl)phthalate was detected at 7 ppb <br /> 22 Laboratory report mdicate5 this sample was extracted past the 7 day holding time for TPM <br /> '-; All other SVOC%by i PA Method 8270 were les%than the reporting hinit,except for Bis(2-ethylheryi)ph1halate was detected at 4 ppb <br /> 2' All other SVOCs by EPA Method 8270 were less than the reporting l , pt for Bis(2-cthylheayl)phthalate was detected, <br /> imitexcept 2 ppb <br /> 25 All other SVOCs by EPA Method 8270 were les;.than the reporting limit,ewept for Bis(2-e1hylhexy])phthalate was detected at 3 ppb <br /> 9-2033 xisl1386847 12 As(105108106 <br />