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I <br /> EXPLANATION <br /> MONITOR WELL <br /> .Q SOIL BORING LOCATION <br /> T3-�13 <br /> NORTHGATE DRIVE SAMPLE LOCATION WITH ID AND DEPTH <br /> I� <br /> GEOPROBE $011, BORING LOCATION <br /> PROPERTY BOUNDARY <br /> -————- CANOPY BOUNDARY <br /> B BENZENE INµp/L <br /> PLANTER MW-5A PUNTER \ MW_6 TPHG As GASOLINE�N N HYDROCARBONS <br /> (115T : a.o61 MTBE METHYL-TERT-BUTYL-ETHER IN yr,p/L <br /> 7)5 TBP-HG:200 DO DISSOLVED OXYGEN IN mq/L <br /> B-1 \ MTBE-<1 <br /> ' MTBE.ia \\ /^ Oo-o 6 (13 84) POTENTIOMETRIC SURFACE ELEVATION <br /> DO-0 4 \ \\ o --- 140 POTENTIOMETRIC SURFACE CONTOUR <br /> (CONTOUR INTERVAL= 02 FT) <br /> / \ PUMP I (GRADIENT - 0 002 FT/FT) <br /> ISLAND <br /> GROUNDWATER FLOW UNE <br /> G1 < \ -2 I — (WITH DIRECTION ARROW) <br /> Pv- `\ \ GP <br /> MW-1A <br /> 9 <br /> 33-N'1S� jTtIN-I5 (13.B4) <br /> TPHG:7 00 <br /> I ii � 8.730 <br /> MTBE IDO <br /> 8 3 75) 58-1 V\ // ��w-2000 <br /> I DO-0 e <br /> TPHG 42000 -5-1,3\�✓ I � R' <br /> MraE-s0 I • �I 'i!GP-31 I �r <br /> DO DJ -,-- I <br /> LOCATIONT2 OF 1s �! <br /> FORMER USTs : <br /> SIDEWALK ~ f� <br /> \ '11-s-s' I w MW-4A <br /> _F-13 I U~+ M(t 4 28) <br /> W-4 <br /> E7-w-13 z B-<OS <br /> C-+! a TPHG-<+OO <br /> 3 MTBE.<1 <br /> LOCATION OF I = DD-71 <br /> EXISTING USTs E+-M'-13 I"' 0 20 40 <br /> •1- -I EI-E-I 0 <br /> Z <br /> 7-ELEVEN I APPROX SCALE 1N FEET <br /> FACILITY 7-ELEVEN, INC <br /> NO 19976 ♦ FACILITY NO 19976 <br /> (+06) 1399 NORTH MAIN STREET <br /> B-<OS I MANTECA, CALIFORNIA <br /> TPHG-11'0 <br /> MTS-<+ I 779956 <br /> DO-0 5 <br /> DRAWN BY 5 LATNROP DATE 01-05-01 <br /> DRAFTED BY DEN HOLMES DATE DE-10-01 <br /> CHECKED BY DATE <br /> PLANTER POTENTIOMETRIC SURFACE AND <br /> - - - - - - - - - - - - - - - - - - - DISSOLVED HYDROCARBON <br /> CONCENTRATION MAP <br /> IT CORPORATION ((10/12/00 SHALLOW ZONE) <br /> ED <br /> 19976GwC10000S FIGURE 2 <br />