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r <br /> W <br /> Approximate Property Boundary > ND%l IDIND ND/ND/ND <br /> 51 <br /> f ormer , i p <br /> ND/ND/ND Waste Oil MW-8 <br /> ' J p o <br /> NW-13 Tank � op NPIND ND <br /> Former r �— 2,080/4 1/ND Former - - - <br /> Underground f�'t I I = ' MW-1 Underground <br /> Storage Tanks r% I ! W Montgomery Word /Storage Tanks MW-7 <br /> ! Office Formes I Auto Service Center / <br /> Budding Station <br /> Bujdrnlj <br /> 'MW-12 Concrete Former ND/ND/ND <br /> f 1201 _Dispenser Bank <br /> 0 69 ND MW-5 <br /> ND-141 4 'SCenperg IT <br /> / YW-9 MMf-a Islands 4" <br /> ND ND Marquis ' #MW-11 i MW-4 <br /> I _ r 24,000/ _ <br /> 6,900/ND ` - - - - - - - -- - ----MW-10 <br /> Former Former 22,600/ 41,800/ EXPLANATION <br /> ND/ND/ND Dispenser 1,620/ND 4,120/ND <br /> Islands 36,300/ Groundwater monitoring well <br /> 5,330/ND PACIFIC AVENUE (Unocal) <br /> ND/{N <br /> �D/ND Destroyed monitoring well <br /> .. MR-1 r ...� .,,»1 _� __..�............. <br /> -- - Groundwater monitoring well <br /> (Montogomery Ward) <br /> MCU-8 MW-17 <br /> �I ND/ND/ND o Delta College Irrigation well <br /> 1 <br /> f A/B/C TPH(G) (Total Petroleum Hydrocarbons <br /> 130/28/NDo as Gasoline)/Benzene/MTBE by EPA <br /> 1 114 method 8260 concentrations in ppb <br /> 0 SO <br /> ND Not Detected <br /> Scale In feet <br /> Source Figure WW*d From Dwing Provided <br /> By MPOS s«dc" inc NOTE Montogomery Ward wells were sampled 09/16/98 <br /> Gettl r - Ryan Inc. CONCENTRATION MAP FIGURE <br /> Former Unocal Service Station No 5098 <br /> 6747 Sierra Ct, Suite J (925) 551-7555 5606 Pacific Avenue <br /> Dublin, CA 94568 Stockton, California 2 <br /> JOB NUMBER REVIEWED BY DATE REVISED DATE <br /> 280046 Se tember 15 1998 <br />