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TABLE 9 <br /> GROUNDWATER MONITORING DATA <br /> =Quik Stop No. 076 <br /> 1030 South Olive Avenue, Stockton, California <br /> t <br /> ethyl- I total TOC GW <br /> Well Date TPHg benzene toluene benzene xylenes MTBE DIPE ETBE TAME TBA DCA EDB IDTW Elevation Elevation _ Comments <br /> Number Sampled (ug/L) (ug/L) (ug/L) (ug/L) ;(ug/L) (ug/L) (ug/L) (ug/L /L u u <br /> (ug/L) ( g/L) (ug/L) (ug/L) (feet) {feet mst} (feet msl) _ <br /> MW-1 7111103 210 <0 50 <0 50 <0 50 ,<0 50 <0 50 <0 50 <0 50 <0 50, <5 0 <050 <050 6412 nm nm no odor 1 no sheen <br /> screened 3115/04 1000 30 110 12 56 <0 50. <0 50 <0 50 <0 50 6 3 099 095 6624 nm 'nm no odor 1 no sheen <br /> interval 6110/04 410 14 49 062 24 <0 50 <0 50 <0 50 <0 50 60 <0 50 <0 50 6542 nm nm no odor 1 no sheen <br /> 55'-75' 4 <br /> 6/1105 MW-1 drilled out, boring reamed to 10"and deepened to 80', MW-1 re-installed as 2"well <br /> 60-80' 6/6105 , 160 <0 50 <0 50 <0 50 1<0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 6460 3109 -3351- no odor/no sheen <br /> 8117105 3100 <0 50 <0 50 <0 50 <0 50 <0 50 na na na na na na 6530 r34 21 no odor/no sheen <br /> 11/16/05 1400 <0 50 <0 50 <0 50 1<0 50 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <0 50 6580 -34 71 no odor/no sheen <br /> 218106 4800 <0 50 <0 50 <0 50 ;<0 50 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <0 50 63 66 -3257 - no odor 1 no sheen <br /> 5118106 2800 <0 50 t6 6 <0 50 t<0 50 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <0 50 6110 -3001 no odor 1 no sheen <br /> k <br /> s x <br /> Notes TPHg-total petroleum hydrocarbons as gasoline DCA- 1,2-dichloroethane ug/L-micrograms per liter or parts per billion(ppb) <br /> MTBE-methyl-t-butyl ether EDB-1,2-dibromoethans <-less than reporting limit given <br /> DIPE-dusopropyl ether DTW=depth to groundwater " <br /> ETBE-ethyl-t-butyl ether TQC=top of casing <br /> TAME-tert-amyl methyl ether msl=mean sea level <br /> TBA-tert-butanol GW=groundwater <br /> z <br /> I # <br /> I - <br /> f <br /> 7076gmr <br /> ProjectIV�6 42 � Pag�f 1 HORIZON EN'VIIiONMEN�INC <br />