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'�- APPROXIMATE LOCATION OF FORMER WASl1< O1L'TANK TPHg <50 TPHg <50 FREE STANDING 8 <0 5 B <0 5 VENT RISER . MtBE 1,800 MtBE <0 5 TPHg 170 . ' ia�/ µW`3 TPHg 190 µW-g B <0 5 B <0 5 MtBE 52 �+\�Z \ MtBE 5Q�COURSE SWENSON PARK G l]PLDERCROUND FUEL. � TANKS ST �� ' METHANOL- ` a ORAGE DISPENSER 1 AA1NiC1PAL l CHEVRON \WELL PRODUCT TRL FNC;H�� STATION BUILDING Gµ_8 µW-2 GMf9} l 7PHg 2,600 ENCLOSURE CARr ~- I Gµ-7 MfBE 240 WASH h- f Gµ-5 } 1 TPHg <50 y ` I CANOPY 8 <0 5 j 1 ` I PIPING MtBE <05 W-5 _ __-� TRENCH 1TH µW-7 _ -- -s_ - +GM-6 TPHg 96 "m_3MW-1 I MTBE 2,200 M-2 µW-g J TPHg <50 Gss-3 Gµ-4 SB-1 8 <0 5 • J A(tBE 0 6 \ BHD- �PR-1" FORMER TANK& 1PH <50 (54'NORTH) TPHg <500 PUMP ISLAND B g <0 5 B <5 0 MtBE 46 TPHg <50 MtBE 430 8 <0 50 BENJAMIN NOtr DRIVE MtBE <2 5 TPHg <20,000 B 610 BHI)-2 TPHg <50 MtBE 44,000 TPHg 230 8 <0 50 S 48 MtBE <2 5 MTBE 41 E-10 V-2 I I V-3 MW-1Pump • I m � 1 ISLANDS I S-1 S-2 C TPHg <50 TPHg <50 v-1 I L v-1 z a B <0 50 SINGLE STORY B <0 50 l 1 MtBE <2 5 RESIDENTIAL MTBE <2 5 E-12 E_5 HOUSING ARCO - S_g"- TPN 77 -w STATION 9 TPHg <500 V-10/S-8 BUILDING B <0 50 un B <5 0 MtBE 2 9 W MtBE 270 0 V-4 E_8 E` V-69 E-B 1w) E-3 TPHg 440 TPHg <50 - -- 8 21 W B <0 50 MW-2 v S-3 I LISTS 1 MtBE <2 5 z MtBE <2 5 �caMP�c b S-4 a E-a /MW-5 E-11 v-t1 - -, ° Y 7 TPHg 680 TPHg <50 0 Jv-s B 97 B <0 50 V-9/S 7 V-5 E_2 MtBE 45 MtBE <2 5 O ®S-5 _ E-7 ---------- 5-B ----------- _ TPHg <50 --------_ - ------------------- - B <050 Q PUBLIC TPHg <50 MTBE <25 UTILITIESTPH 52 EASEMENT B <0 50 SINGLE STORY B g <0 50 PR-2 MtBE <2 5 CONDOMINIUMS MtBE <2 5 I kit TPHg <50 z° swGLE sraRv TPHg <50 B <0 50 TPHg <50 RESIDENTIAL 8 <0 50 MtBE <2 5 B <0 50 HOUSING MtBE <2 5 MW-3 MtBE <2 5 MW-4 LEGEND (ARCO) CHEMICAL ANALYTICAL RESULTS MW-.1 GROUNDWATER MONITORING WELL ANALYTE _ +V-I O/S-8 SOIL VAPOR EXTRACTION WELL TPHg <50 8 0050 CONCENTRATION(ppb) CL 13S-3 AIR SPARGING WELL MtB£<2S c SOIL VAPOR EXTRACTION/ < NOT DETECTED ATOP ABOVE O E-6 GROUNDWATER MONITORING WELL LABORATORY REPORTING LIMIT ,o- TO THE RIGHT • V-1 SOIL VAPOR EXTRACTION WELL ANALYTES TPHg----TOTAL PETROLEUM HYDROCARBONS LEGEND CHEVRON AS GASOLINE C7 8 BENZENE U MUNICIPAL WELL MtB£---METHYL TERT-BUTYLETHER 0 80 120 C' c MW-1 GROUNDWATER MONITORING WELLWELL BOX INACCESSIBLE APPROXIMATE SCALE FEET U Z O O GM-1 REMEDIATION WELL LOCATION REFERENCE THIS FIGURE IS BASED ON A'SITE PLAN'PROVIDED BY • SB-4 SOIL BORING LOCATION(1994) BROWN AND CALDWELL,DATED 12r4197(ARCO)AND BY GERAGHTY&MILLER,INC,DATED 5!30198(CHEVRON) — - - — APPROXIMATE PROPERTY AND IS INTENDED FOR ILLUSTRATION ONLY N BOUNDARY DRAWN PR FIGURE 2 ° AR v MK CHEVRON STATION#94275&ARCO STATION#2133SECOR 2945 AND 2906 BENJAMIN HOLT DRIVE Internatwnal DATE 29MAR2001 STOCKfON,CALIFORNIA a Incorporated JOB NO GROUNDWATER CONCENTRATION MAP g 77BP 52133 00 0801 MARCH 11 AND 12, 2002 I