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, Tracy Marine's -2 - Oct Ver 31, 2011'; <br /> `Monitorin "Well'lnformation `. { <br /> Well Designation Date Installed Screen Interval Depth to Water <br /> (feet bgs),.f., ry (feet bgs) -� � <br /> Mar 2011 <br /> MW-1 Dec 99 4-19 7.96 <br /> MW-2 _ Dec 99 5-20:~ 7.91 <br /> MW-3 Dec 99 5-20 7.35 <br /> MW-4 ' Dec 99 5-20 7.76 <br /> MW-5 Dec 99 5-20 7.49 <br /> MW-6 _: Dec 99 > _. _ _ ... . 27-32 a 8.11 <br /> x MW-7 Dec 99 4 . '.5-20 = 8.09 . <br /> .�....... MW-8Dec 99 _ 5-20 7.55 <br /> L......w.MW-9 Mar 01. - <br /> �- 5-20 7.91 <br /> MW-10 Mar 01 5-20 7.75 <br /> __MW-11_ ,Mar 01 5-20— 8.27 <br /> Petroleum Hydrocarbon Constituent Concentration '< € <br /> Contaminant- Soil m Ik Water (ug/L WQOs <br /> Maximum Latest Maximum Latest (ug/L)- <br /> w Mar 2011 b <br /> TPH NA. NA 44,000 <50 5 <br /> Benzene .`;N NA _ 1,900 ' NA 1 <br /> Toluene NA. NA . 1,100 NA 150 <br /> Eth' (benzene NA NA_-- 360 NA 300 <br /> Xylenes NA NA 485 NA 1,750 <br /> MTBE NA NA .s= , 43,000 <1 5 <br /> TBA 4 NA NA 3,400 <10 12/1,200a <br /> 1,2,DCA NA NA :. 15 NA 0.5 <br /> -NA: Not Analyzed, Not Applicable or Data Not Available <br /> mg/kg:,milligrams per kilogram, parts per million <br /> ug/L: rpl icrograms per liter, parts per billion -to <br /> WQOs: Water Quality Objectives <br /> *Ac <br /> cording to GeoTracker,wells <br /> a California Department of Public Health Notification Level/Response Level <br /> b MW-7 only <br /> Ak <br /> Site Description ,.. :'{ •...F�di <br /> The Site is located at 2450 Toste Road in Stockton, Califorriia and is an active business. The <br /> Site is bounded by Toste Road to the north and businesses to the east, west and south. The <br /> surrounding,land use is commercial.,*'-' �«%+*•- # : - ;* *b +:' - wr �. �xr* <br /> Site Histo61Asse' ssmentsA ;� y � � t. .f f ,. :T ">♦,. r•: , . . _• <br /> In October 1996, soil contamination was identified during the removal of USTs. To date, 11 <br /> monitoring wells have been installed and monitored regularly: A Site map showing the location <br /> of theimonitoring wells and groundwater level contours.is provided at the end of this five year <br /> summary. ;"_...: . �•. . : f? <br />