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N APPROXIMATE r <br /> SITE BOUNDARY { <br /> APPROXIMATE <br /> E13 EXISTING CUIK STOP PLANTER TACO BELL <br /> ,y MARKET SITE BOUNDARY <br /> ? <br /> LEGEND: <br /> §s MW-10+ GROUNDWATER MONITORING WELL <br /> a z OF LOCAL UPPER SCREENED ZONE <br /> MW-9 Q GROUNDWATER MONITORING WELL <br /> MW-4 I OF LOCAL LOWER SCREENED ZONE <br /> Q78 METHYL TERT-BUTYL ETHER (MTBE) <br /> ,_,i ASPHALT I $ <br /> ASPHALT Q MTBE tSOCONCENTRATION CONTOUR <br /> z x I EXISTING I LINE, DASHED WHERE INFERRED <br /> ar ' Q MW-3 I RAMP <br /> (r ' NOTES: GROUNDWATER MONITORING WELL <br /> N I SAMPLES WERE COLLECTED <br /> ON 03/16/06. <br /> OUTLINE 0.50 MW--6�- <br /> z OF _' /^5 I MTBE WAS ANALYZED BY <br /> CANOPY 11'5 <br /> 0 EPA METHOD 6260 <br /> PUMP PMP f i I REPORTED CONCENTRATIONS ARE IN <br /> APPROXIMATE _— ` , I r MICROGRAMS PER LITER. <br /> LOCATION OF MW-1R <br /> UNDERGROUND —— `` EXISTING T <br /> STORAGE TANKS , PUMP PUMP TACO BELL MW-7 <br /> MW-51 wi <br /> 78' m <br /> PLANTER ao I PARKING <br /> MW-2 Q <br /> LOT <br /> MI <br /> PLANTER <br /> SIDEWALK <1.0 SCALE <br /> 3D 0 3C FEET <br /> G� <br /> CZ�l — — W E 5 T H A M M E R L A N E MTBE ISOCONCENTRATIONS <br /> IN GROUNDWATER, <br /> UPPER ZONE WELLS 03/06 <br /> QUIK STOP MARKET 132 <br /> SOURCE: SITE SURVEY BY RCN ARCHER. 3555 WEST HAMMER LANE <br /> CIVIL ENcwEER, INC., STOCKTON, CALIFORNIA <br /> DATED DECEMBER 14, 1992 <br /> PREPARED FOR <br /> WELL MW-B SURVEYED SY <br /> SIEGF IEDENGGI ENGINEERING, 1NC. QUIK STOP MARKETS, INC. <br /> DATED /E <br /> FREMONT, CALIFORNIA <br /> Q <br /> ASSOCIATES INC. <br /> No. QDATE: 0OS06 DATE ISSUE REVISION <br /> SCALE: AS SHOWN FIGURE 8 62503.3206 <br />