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m EXPLANATION <br /> 1 I MONITOR WELL <br /> � MW-7 ,�p�N (1084) O SOIL BORING LOCATION <br /> 9=<O 5 <br /> 1PHG=57 <br /> DOUBLE-NESTED SPARGE WELL <br /> MTBE=<5 <br /> Z w DO=, a T3-$-15 SAMPLE LOCATION WITH ID AND DEPTH <br /> ' Irm <br /> Ir D Q GE0PR08E SOIL BORING LOCATION <br /> DZ <br /> NORTHGATE DRIVE PROPERTY BOUNDARY <br /> CANOPY BOUNDARY <br /> m <br /> p B BENZENE IN peg/L <br /> ' w TPHG TOTAL PETROLEUM HYDROCARBONS AS <br /> O MW-6 GASOLINE IN Ag/I <br /> CL I-- (10.85) MTBE METHYL-TERT-BUTYL-ETHER IN ftg/L <br /> a MW-5Q B=t DO DISSOLVED OXYGEN IN mg/L <br /> ' { PLANTER 1 PLANTER Ori MBE=<5 —(1399) POTENTIOMETRIC SURFACE ELEVATION <br /> J <br /> mw_ <br /> 5A♦ 00=t 4 <br /> (1074) 139 P0TENt10ME7RIC SURFACE CONTOUR <br /> 8=54 (CONTOUR INTERVAL = 1 FT) <br /> > I TPHG=280 (GRADIENT = 0 001 FT/FT) <br /> ' m MTBE=490 / PUMP <br /> DO= <br /> Q \ ISLAND 110 <br /> Y I /� \ �— (WITH <br /> DIRECTION ARROW)FLOW LINE <br /> AND GRADIENT <br /> V <br /> 1 MW-1 <br /> GP-1 \ \ MW-1A <br /> N 0 <br /> VGP-2 a1 0= <br /> � I \T3-N-15 - r- - ' � B 2 7PHG=2t00 <br /> v \ • I JTI-N 15 O MTBE 7 300 <br /> m I MW-2 • I r� <br /> ((10530 SB-1=400 • \ F <br /> ' TPHG=46 000 \ 1 l I w <br /> MTBE=590 SP-1 T3-S-15 I <br /> >� <br /> 00=0 9 • I GP-31 MW 4A <br /> I <br /> LOCATION OF - 8 X005 <br /> ' FORMER USTsI ;FH =< <br /> T2-S-15' • I W MTBE=<5 <br /> SIDEWALK I I w 00=4 0 CHECKPRINT# <br /> o -- I r,_s 1s Of MW-4 CHECKED BY <br /> 00 -E-13 J (!1 DRAWN BY <br /> ' U I E2-W-13 Z SCRUBBED BY <br /> E2-C-13' DATE <br /> W I <br /> LOCATION OF z <br /> ' x I EXISTING USTs E1-W-13 cr <br /> 7—ELEVEN •1-C-13 E1 E-15 0 <br /> a ; FACILITY NO SCALE <br /> ' 19976 ' <br /> MW-3* 0 20 40 FEET <br /> (to s7) o <br /> B=<0 5 <br /> ' TPHG=59 <br /> MTBE=<5 7-ELEVEN, INC <br /> p0=2 2 t 7-ELEVEN FACILITY NO 19976 <br /> 1399 N MAIN STREET <br /> ' \ IT CORPORATION MANTECA, CALIFORNIA <br /> C', PLANTER FIGURE Z <br /> I POTENTIOMETRIC SURFACE AND <br /> ' o —" DISSOLVED HYDROCARBON <br /> CONCENTRATION MAP (SHALLOW ZONE) <br /> 11/28/2001 <br /> ' M 7-ELEVEN, INC <br /> Of <br /> 0 I MANTECA CALIFORNIA <br />