Laserfiche WebLink
i <br /> T P of Groundwater Eleva nd Analytical Data <br /> ARCO Service Station#2093 <br /> 3425 Tracy Blvd,Tracy,CA y <br /> i <br /> Well Depth Product Groundwater Groundwater Xylenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene Ethylbenzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft) (N,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> TEX-1 10/26/95 (c) 1286 -- -- <350 <5 <0 5 <0 5 <0 5 -- -- <br /> 2112196 1090 -- <br /> 4/18/96 1135 -- <50 <0 5 <0 5 <0 5 <0 5 - <br /> 7/18/96 1152 - -- .. .. .- <br /> 11/15196 1230 <br /> 3/14/97 -- <br /> 6/4/97 <br /> 8111197 11/17/97 -- <br /> 3/30/98 1100 _- <br /> 6/25/98 100 -- <br /> 9/11/98 <br /> 12/15/98 1147 -- -- -- -- -- 01 <br /> 5/14/99 1150 - -- -- -- -- -- -- 480 <br /> 9/16/99 1170 - -- - -- -- -- -- 24 <br /> 12/2.2199 1156 - __ .. .. .. __ 183 <br /> 2129100 1098 - -- -- -- -- — -- -- 40 <br /> 617100 -• - <br /> 9/25/00 -- <br /> 12/21100 <br /> 12/21/00 1188 <br /> 3/27101 1134 <br /> 6/20/01 1153 — -- <br /> I <br /> Notes <br /> TPHg=Total petroleum hydrocarbons as gasoline <br /> MtBE=Methyl tart-butyl ether <br /> DO=Dissolved oxygen <br /> N=feet <br /> MSL=mean sea level <br /> TOC=top of casing <br /> ppb=parts per billion <br /> mg1L=milligrams per liter <br /> P/NP=purged/not purged <br /> =analyzed using EPA Method 826OA/B <br /> <=below given laboratory detection limits <br /> - =not sampled or not analyzed(in case of product thickness,none found) <br /> (c)=top of casing altered,casing has not been resurveyed,water-level measured from highest point of casing <br />