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TABLE3 <br /> SUMMARY OF HISTORICAL GROUNDWATER GAUGING AND LABORATORY ANALYTICAL DAi A <br /> Former Tosco Bulk Terminal No.10013 <br /> 3505 Navy Drive,Stockton,CA <br /> Approximate -, - <br /> TOC Constructed Depth to (I'maidwater -TPH D TP3T-G(NBR•) 13e+uene Toluene Ethylbenzene Total Xylenes MTBE - I)IPE(µFIE) E[BE TAME 7BA. Methanol Ethanol <br /> Well Elevation Total Well Groundwatei Elevation (µpfl.) (µg/L) (µ(if l-) {µB/L) (µPQ-) (µP/L) (9910 (P9,L):. (pl��) <br /> Number Sample Date (feet above Depth (feet below- _-(feet above <br /> . MSL) - (feet below - TOC) MSL) <br /> •fOC) EPA Method 8015M - - EPA Mediod 9260B <br /> -Min Iiia I billion h (1) EPA Methods 8020/8260 used (h.l I.ightri htdi�.:ntl.m.an.uihuted to.h' <br /> yunn0tnt�on <br /> mp/L ogsems per (egmsa ant to pur..per IPP U 01 Depth to water measured Rom lop of standup post,not top of easing (x) LCS,LCSD.MS.MSD,MD or sunogate esc <br /> ds —..IRthe uol limiu to terrsene and tolu- <br /> -- -No data,nm sampled (k) Gasoline does not include MTBE <br /> F.PA -Fmironmenvl protection Agency (q Unable to ample <br /> <50 -Compound not detected abma specific laboratory method (m) Returned to sample for TBA for Rd Quarter of 2000 <br /> reporting limit (o) Top of rasing aliened due to wellhead nuintenrace <br /> -Chromatogram not lwmcal of dierel lo) The Iehmetory report specifier that the primary and confirmation reaulu vied In gsutn than <br /> 40%,indicating uncertainty in the remlea <br /> 1p) Since methanol was detected in the trip dank and these rerulu are len than Rae times Ihnt <br /> obsered in the trip blank+h—till,are qualified a undetmted. <br /> (q) Anntsaed by FPA Method 82608 instead of 9015M <br /> (r) Sample exhibin fuel pattern which does not reaerrhble standard. <br /> Page 33 of33 ATC Pto)M No 1175 75118.0898 <br />