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MMMM MVMM MMM M Mir <br /> Table 6 <br /> Summary of Ground Water Monitoring Data <br /> Former Tank Site#2 <br /> 1325 West Weber Avenue,Stockton,CA <br /> TPPH TEPH <br /> Well Date Unknown Unknown Ethyl Total Lead lead <br /> Ideutdier Sampled TPH-g Hydrocarbon TPH d Hydrocarbon MtBE TAME TSA DIPE ETRE 1,2 DCA Benzene Toluene benzene Xylenes EDS (Organic) (Total) <br /> MW4A(continued) <br /> Post-ORC 12/18/% <0050 NA 0085 NA NA NA NA NTA NA NA <0002 <0OD2 <0002 <0002 NA NA NA <br /> Installation 5/7/97 <0050 NA 0063 NA NA NA NA NA NA NA <0D02 <0002 <0002 <0002 NA NA NA <br /> 9/19/97 <0 050 NA <0 05D NA NA NA NA NA NA NA <0 001 <0 001 <0 001 <0 001 NA NA NA <br /> 12/1/97 <0050 NA <0050 NA NA NA NA NA NA NA <0001 <0001 <0001 <0001 NA NA NA <br /> 4/10/98 <0 050 NA <D 050 NA <0 002 <0 002 <0 002 <0 002 <0 002 NA <0 001 <0 Dal <0 001 <0 001 NA NA NA <br /> 7/22/99 <0 050 <0 050 <0 050 <0 050 <0 002 <0 002 <0 050 <0 002 <0 D02 000052 <0 001 <0 001 <0 001 <0 001 NA NA NA <br /> MW-5A <br /> Pre-ORC 4/30/93 <0 050 NA <0 050 NA NA NA NA NA NA NA <0 0005 <0 0005 <D 0005 <0 0005 NA NA NA <br /> Installation 1/27/94 <0050 NA NA NA NA NA NA NA NA NA <00005 <00003 <00005 0002 NA NA NA <br /> 5/26/94 <0 050 NA <0 050 NA NA NA NA NA NA NA <0 0095 <0 0005 <0 0005 <D 0005 NA NA NA <br /> 8/29/94 <0 050 NA <0 050 NA NA NA NA NA NA NA <0 0005 <0 D005 <0 D005 <0 0005 NA NA NA <br /> 11/17/94 <0 D50 NA <0 D50 NA NA NA NA NA NA NA <0 0005 <0 0005 <0 D005 <0 0005 NA NA NA <br /> 2/3/95 <0 050 NA <0 050 NA NA NA NA NA NA NA <0 0005 <D W05 <0 0005 <0 0005 NA NA NA <br /> 11/1/95 <0 050 uj NA NA NA NA NA NA NA NA NA <0 0005 uJ <0 0005 u] <0 0005 uJ <0 0005 u] NA NA NA <br /> 3/7/% <0 050 NA NA NA <0 005 NA NA NA NA NA <0 0005 <0 0005 <0 DD05 <0 0005 NA NA NA <br /> DRC Baseline 10/11/96 <0 050 NA 0 026] NA NA NA NA NA NA NA <0 005 <0 005 <0 005 <0 005 NA NA NA <br /> Post-ORC 10/11/96 <0 050 NA 0 065 NA NA NA NA NA NA NA <0 005 <0 005 <0 005 <0 005 NA NA NA <br /> Installation 12/18/96 <9050 NA <0050 NA NA NA NA NA NA NA <0002 <0002 <0002 <0002 NA NA NA <br /> 12/18/%- <0 050 NA <0 05D NA NA NA NA NA NA NA <0 002 <0 002 <0 002 <0 002 NA NA NA <br /> 5/7/97 <o 050 NA <0 050 NA NA NA NA NA NA NA <0 002 <0 002 <0 002 <0 002 NA NA NA <br /> 9/18/97 <0 050 NA <0 050 NA NA NA NA NA NA NA <0 001 <0 001 <0 001 <0 001 NA NA NA <br /> 9/18/97` <0 050 NA <0 050 NA NA NA NA NA NA NA <0 001 <0 001 <0 001 <0 001 NA NA NA <br /> 4/9/98 <0 050 NA <0 050 NA <0 002 <0 002 <0 002 <0 002 <0 002 NA <0 001 <0 001 <0 001 <0 001 NA NA NA <br /> 4/9/98• <0 D50 NA <0 050 NA <0 002 <0 002 <0 002 <0 002 <0 002 NA <0 DO] 00011 <0 001 <0 001 NA NA NA <br /> 7/22/99 <0 050 <0 050 <D 05D <0 050 <0 002 <0 002 <0 050 <0 D02 <0 002 <0 0005 <0 001 <0 001 <0 DOI <0 001 NA NA NA <br /> 7/22/99' <0 050 <0 050 <0 050 <0 050 <0 002 <0 002 <0 050 <0 002 <0 002 <0 0005 <0 001 <0 001 <0 001 <O 001 NA NA NA <br /> NOTES <br /> TPH Total Petroleum Hydrocarbons MtBE Methyl tert Butyl Ether <br /> TPPH Total Purgeable Petroleum Hydrocarbons TAME Gert-Amyl Methvl Ether <br /> TEPH Total Extractable Petroleum Hydrocarbons TBA 2-Methyl 2 Propanol <br /> mg/E milligrams per liter DIVE Onsopropyl Ether <br /> NA Not analyzed ETRE Ethyl tert Butyl Ether <br /> EDB Ethylene dtbromide 12 DCA 12-Dichloroethane <br /> Duplicate sample taken <br /> The peak pattern present in this sample represents an unknown mixture atvpical of gasoline in the range of n-007 to n-C13 Quantitation is based on a <br /> gasoline reference in the range of n-007 to n-02 <br /> # The hydrocarbon pattern present in this sample represents an unknown mixture atypical of diesel fuel in the range of n-CS to n-C40 Quantitation is <br /> based on a diesel reference between n-Cl0 and n-C24 <br /> J Estimated value qualifier applied because cooler temperature was slightly outside of allowable range <br /> uJ Not detected at estimated quanhtabon limit,qualifier applied because cooler temperature was slightly outside of allowable range <br /> Catellus/299610 10/13/99 Page 3 of 3 <br />