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LEGEND <br /> Groundwater monitoring well <br /> ® Dual nested monitoring well <br /> Texaco groundwater monitoring well <br /> {� Vapor extraction well <br /> TUNE-UP • Soil boring (Secor, 1996) <br /> j L MASTERS ■ CPT boring (Secor, 1997) <br /> I <br /> I I • Soil and groundwater sampling location (ETIC, 2007) <br /> I I <br /> I <br /> USTs I CPT/MIP Locations (PSC , 2008) <br /> I TPH-g Total petroleum hydrocarbons as gasoline <br /> j I MTBE Methyl tertiary butyl ether <br /> J <br /> TBA Tertiary butyl alcohol <br /> DIPE Diisopropyl ether <br /> CPT-M5 115.120' <br /> ETBE Ethyl tertiary butyl ether <br /> TPHy 1 ,800 <br /> Benzene <0.50 1 ,2-DCA 1 ,2-Dichloroethane <br /> MW-6 Toluene 5.5 NO Notes: Analytical results in micrograms per liter (Ng/L). <br /> Ethylbenzene 17 =:D 0 % LM <br /> Xylenes 39 CAR =(440RMER TEXACO <br /> MTBE <0.50 <br /> TBA <5.0 WASH EST CHARTER WAY) <br /> CPT-M4 115-1 DIPE <0.50 <br /> ETBE <0.50 <br /> TPHy <50 112-DCA <0.50 <br /> Benzene <0.50 <br /> TON <br /> oluene <0.50 <br /> Ethylbenzene <0.50 AM Af % <br /> Xylenes <0.50 <br /> N MTBE <0.50 + MW- 1A ♦C8 CPT-MB 710-115' CPT-3 CPT-M7 <br /> MW-3A CPT-M6 TPHy 68 <br /> TBA <O50 W CPT-M5 Benzene 6.8 <br /> v DIPE F- <br /> 3 w ETBE <0.50 ♦ CPT-M4 Q Toluene <0.50 CPT-M7 170-115' <br /> 0 LIJ 1 ,2-0CA <0.50 C1 - �` ♦ AMW-8 Ethylbenzene <0.50 TPHy 2,400 OF <br /> �. C11 Y Xylenes <O50 Benzene 960 <br /> MTBE Toluene 22 <br /> oTBA 5.2 Ethylbenzene 4.1 <br /> DIPE III <br /> Xylenes 40 <br /> Z S _1 . r - C3 1 OOR DOOR DOOR ETBE <0.50 MTBE <2.0 <br /> J I A 4 ;B I ♦C9 '. , 1 ,2-0CA <0,50 GATE TBA 20 <br /> ON <br /> rn I - - -- - - - ` - -� <br /> v O C2 CPT I _ ETBE <br /> 5.2 <br /> (� • - ® h. PIVU ( ' i'Jtl � �'•.l ll )I ETBE <2.0 <br /> Z I CPT-MB MW-7S/7D� or Fta . ; ,ll _ !: I l , Fl 1 ,2-DCA a.o <br /> _ CPT-MB 115-120' - <br /> No <br /> m J TPHy 7 ,400 L - - - - - - - JON <br /> N = Benzene 170 •C5 <br /> o, Toluene 170 <br /> Ethylbenzene 34 S&2 p •C10 <br /> Xylenes 7900 ON <br /> z Q MTBE 0.96 p <br /> Tgp 5.o TRENCH DRAIN CPT-M9 <br /> DIPE <0.50 SUMP00 <br /> ETBE <0.50 +MW-4A <br /> o <br /> 112-DCA2.4 NO <br /> EXTENT OFON <br /> WI FORMER UST TPHy 160 <br /> 0 <br /> N A EXCAVATION RAISED DOCK Benzene <0.50 Toluene <br /> EXISTING BUILDING Ethylbenzene <050 <br /> N /LAN/ DOp� W-14 .C7 <br /> �4QJ" Xylenes <0.50 <br /> m ��,tLpCPT-M11 ( FORMER COLOMBO/ MTBE <0.50 00 <br /> TBA 9B 1% <br /> CPT-M71 115-1217 MW-zp, .� TOSCANA BAKERY ) EDIPE TBE <050 <br /> °' TPHy <0,50 1 ,2-DCA 0.65 <br /> Benzene <br /> Ir <br /> aY Toluene <0,60 <br /> p Ethylbenzene <0.50 <br /> ma �16pe � ?,td (J /Q / MTBEXylene <0.50 MW-21 <br /> •D % TBA <5.0 CPT-2 ■ <br /> 00 <br /> E DIPE <0.50 <br /> 0 , ETBE <br /> III, CA <0,50 <br /> CPT-M70 <br /> PkU <br /> 2 oILM , W1 <br /> TPHy 120 <br /> Benzene <0.50 <br /> 00 <br /> ///',._.-, Toluene <0.50 <br /> elkElhylbenzene <0.50 • <br /> EXISTING BUILDING Xylenes <0.50 N <br /> MTBE <0.50 <br /> o (FORMER DOLLY MADISON BAKERY SITE) TBA 10 <br /> DIPE 3A <br /> % ETBE <0.50 <br /> 7 ,2-DCA 0.69 0 15 30 <br /> •o <br /> NAP <br /> n` <br /> J <br /> Approx. Scale (feet) <br /> O <br /> O <br /> V) <br /> ANALYTICAL DATA FOR GROUNDWATER GRAB SAMPLES ON "C ZONE" FIGURE: <br /> FORMER COLOMBO/TOSCANA BAKERY O <br /> N 1444 SOUTH LINCOLN STREET , STOCKTON , CALIFORNIA 95206 <br /> APRIL 2008 <br />