|
TABLE 3
<br /> CUMULATIVE ANALYTICAL DATA-GROUNDWATER WELLS
<br /> San Joaquin County Agricultural Commissioner's Office
<br /> 503 East 90th Street,Tracy,California
<br /> OXYGENATES
<br /> WETHYL-
<br /> WELL ID DATE TPH-D TPH-G BENZENE TOLUENE BENZENE XYLENES MTBE DIPE ETRE TAME TBA 1,2-DCA EDB
<br /> MW-1 11105!98 ND<50 ND<50 ND<o.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 NDcS NA NA
<br /> 02/18/99 ND<50 1,10<50 ND<0.5 N13<0,5 N0<0.5 NDc0,6 ND<5 NA NA NA NA NA NA
<br /> 01718106 N040 ND-50 N0<0,5 ND<0.5 ND<0.5 ND<1 ND<Q,5 N0<0.5 ND<D,5 ND<0.5 N0<5 ND<0,5 NO<0.5
<br /> 06122/06N3,50 N3<50 ND<0.5 ND<O 5 ND<0.5 NO<1 ND<0.5 ND<0.5 N0c0.5 N0<0.5 ND<5 ND<O5 ND<0.5
<br /> �.r p911970fi
<br /> ND-50 ND<50 NOc0.5 ND<0,5 ND<0.5 ND<} N0c0.5 Ni 14113<0.5 140<0.5 ND<5 ND<0.5 ND<0.5
<br /> 12/13/06 ND<50 ND<50 ND<D.5 ND<0.5 ND<0.5 ND<i ND<05 ND<0,5 140<0.5 140<0.5 ND<5 ND<0.5 ND<0.5
<br /> 03101107 ND<50 ND<50 ND<05 ND<0.5 ND<0.5 NDci NDc0,5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<0.5 140<0.5
<br /> 11116.6 06130107 NOc50 ND<50 NO<0.5 ND<0.5 ND<0.5 ND<7 ND<D.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<OS ND<0.5
<br /> 09127/07 ND<50 ND<50 ND<O.5 ND<0,5 ND<0,5 NR<1 ND<0.5 ND<0,5 NDc0.5 140<0.5 NO<5 NO-0.6 ND-0.5
<br /> 12/11/07 190<50 ND<50 ND<o.5 ND<0.5 ND<0.5 140<7 ND<D.5 1,1113c0.5 ND<0.5 ND<o5 1`413<5 ND<0.5 ND<0,5
<br /> 03121108 ND-50 ND<50 NDc0.5 N117c0.5 ND<0.5 NDO ND<0.5 ND<n.5 ND<O.5 ND<0.5 NO<5 ND<0.5 N0c0.5
<br /> 06130108 ND<50 NO<50 ND<O.5 ND<D,5 ND<0.5 N0<1 ND<0.5 NDc0.5 ND<0.5 ND10.5 ND<5 ND<0.5 ND<0.5
<br /> MW-2 11/05/98 140 ND<50ND<0,5 ND<0.5 NDc0.5 ND<0,5 ND<0.5 ND<n_5 ND<0.5 ND<0.5 ND<5 NA NA
<br /> 02/18199 ND<50 ND<50 1`413<05 ND<0.5 ND<tl 5 ND110,5 ND<5 NA NA NA NA NA NA
<br /> 01/18106 238` 159 71.8 ND<D.5 ND-0.5 14.8 NO-0 5 14010.5 ND<0.5 ND<0.5 ND45 1,11310,5 ND<0.5
<br /> 06122108 ND<50 ND<50 ND<0.5 ND<OS NO<0,5 ND<7 ND<0.5 ND<0,5 ND<0.5 ND<0.5 ND<5 ND<0.5 ND<Q.5
<br /> 09/19/06 ND<50 ND<50 ND40,5 19113c0.5 ND<0.5 ND<1 N010 ND<O.5 N113<0.5 N0<0.5 NDc5 ND<0.5 ND<O5
<br /> 12/15106 436' Ni 1,113<0.5 N9<0.5 ND<0.5 NDO ND<0.5 ND<0.5 NDc0.5 ND<0.5 140<5 ND<0.5 ND<0.5
<br /> LA 03101107 NS' NS' NS' NS' NS' NS' NS' NS' NS' NS' NS' NS' NS'
<br /> 06!30107 ND<50 ND<50 ND<0.5 ND<0.5 140<04 ND-1 ND<O.5 ND<0.5 NO-0.5 ND<0.5 ND<5 ND<0,5 ND<05
<br /> 09/27107 ND<50 ND<50 ND<0.5 ND<OS 113<05 ND<7 ND<0.5 ND-0.5 ND<0,5 ND<0.5 141315 ND<0.5 ND<0.5
<br /> V 12/11/07 Ni ND<50 NO<0,5 Ni ND<0.5 Ni ND<0.5 ND<0.5 NO-0.5 l S NO-5 NDc0.5 ND<O5
<br /> 03/21/08 ND<50 NiNDc0.5 ND<0.5 ND<0.5 ND11 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<0.5 NDc0.5
<br /> 06/30108 ND<50 110<50 ND0.5 ND<0.5 ND<05 140<1 Ni ND<05 N010.5 ND<0.5 ND<5 NDc0.5 ND<0.5
<br /> MW-3 11105198 1,10c50 ND<50 ND<05 N0<0.5 N0<0,5 ND<65 ND<0.5 ND<0.5 ND<0.5 140c0.5 1,10<5 NA NA
<br /> 02/18/99 ND<50 ND<50 ND<0.5 ND<D.5 ND<0 S ND<OS ND<5 NA NA NA NA NA NA
<br /> y 01118706 ND<50 ND<50 ND<0.5 ND<0.5 ND<0.5 NiND<0,5 ND<0.5 ND<O.5 ND<0.5 ND-5 ND<0.5 Ni
<br /> Ld 06122/05 140<50 NO<50 ND<0.5 ND<0.5 ND<0.5 110<1 ND<0.5 ND<05 11113<0.5 NDc0.5 N015 ND<0.5 N17)105
<br /> 09!19!06 ND<50 ND<60 NOc0.5 ND<0.5 ND<0.5 NO<t ND<0.5 ND<05 N0<05 ND105 ND<5 ND<0.5 ND<0,5
<br /> 121151p6 ND<50 NDc50 ND<0 5 ND-o,6 ND<OS ND<1 ND<6.5 ND<0.5 40.5
<br /> <0.5 Ni NDc0.5 ND<0.5
<br /> 03101107 NS' NS' NS' NS' Ns' NS' NS' NS' S' NS' NS' NS'
<br /> 06/30/07 NO<50 ND<50 ND<0.5 NO-0.5 ND<O.5 N0<1 ND<0.5 ND<0.5 IN <05 ND<5 NOc0,5 Nii
<br /> LA 09/27/07 ND<50 N0<50 NO<0.5 ND<0.5 NO<0.5 NDc1 ND<0 5 ND<0.5 <0.5 ND6 ND<065 ND<0.5
<br /> 121l 1107 NO-50 ND<50 N10<0.5 ND40,5 ND<0,5 N1317 NO-0.5 ND<D,5 NOc0.5 ND<0.5 ND15 ND<0.5 ND<0.5
<br /> %^ 03121!08 NO<50 NOc50 ND<0.5 ND<D,5 NO<OS ND<1 NDc0.5 ND<OS NDcOS NDeOS IN NDc0.5 ND<0,5
<br /> 06130!08 67.8 ND-50 ND<0 5 NDc0,5 ND<O5 ND<i ND<D,5 ND<05 ND<0.5 NOc0.5 ND<5 ND<0.5 ND10.5
<br /> Notes: All results are reported in nverogramsAiter which translates to parts per billion(ppb)
<br /> Total Petroleum Hydrocarbons as Diesel(TPH-D)analyses by Modified EPA Method 8015
<br /> Total Petroleum Hydrocarbons-as-Gasoline(TPH-G),benzene,toluene,ethylbenzene and xylenes(STEX)analysis by EPA Method B0211318015M or 6260B
<br /> Oxygenates:Methyl-t-butyl ether(MTBE).Diisopropyl ether(DIPE),Elhyl4-butyl ether(ETBE),Tert-amyl methyl ether(TAME),and Teri-Butanol(TSA)analyses by EPA Method 8260E
<br /> On February 18,1999,MTBE analyzed by EPA Method 8020
<br /> Lead scavanger compounds:1,2-Dichiorcethane(1,2-DCA)and 1,2d01bromoethane(EDB)analyses by EPA Method 82606
<br /> NA=Not Analyzed for specified compound
<br /> LW ND<50=Not Detected at reporting limit of 50 ppb
<br /> =sample chromatogram does not match standard chromatogram used in quantitation-result is estimated
<br /> NS'=Not Sampled,well paved over by city
<br /> 1of1
<br /> 4
<br />
|