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T - 3 Ir <br /> ANALYTICAL RESULTS: GROUNDWATER <br /> 4445 PERSHING AVENUE STOCKTON,CALIFORNIA <br /> (All results in parts-per-million) <br /> Monitoring Date Total Petroleum Aromatic Volatile Organics EDB Total Organic Coliform <br /> Well Hydrocarbons Lead Lead Total/Fecal <br /> Gasoline Benzene Toluene Ethyl- Total (MPN/100m1) <br /> benzene Xylenes <br /> MW-1 07/23/90 < < < < < << — « --- -- <br /> 10/09/90 < < < < < « --- << --- — <br /> 01/09/91 < < < < < c< --- « >16 <br /> 04/09/91 < < < < < << — << --- --- <br /> 07/17/91 < < < < < « 0 005 --- --- -- <br /> 10/08/91 < < < < < « << _-- -- — <br /> 01/21/92 < < < < < « 0 030 --- --- <br /> MW-2 <br /> --MW-2 07/23/90 < < < < < « --- << — --- <br /> 10/09/90 < < < < < c< --- << —01/09/91 < < < < < « — -- « 16 <br /> 04/09/91 < < < < < « — « 6 9 69 <br /> j 07/17/91 0 060 < < < < << << >23 >23 <br /> 10/08/91 0 060 < < < < « 0 005 69 69 <br /> 01/21/92 < < < < < << 0 011 --- -- <3 8 <br /> MW-3 07/23/90 < < < < < << — -- <br /> 10/09/90 < < < < < « --- << --01/09/91 < < < < < « --- --- 51 << <br /> 04/09/91 < < < < < cc << — --- <br /> 07/17/91 0 080 < 0 001 < < « << - --- — <br /> 10/08/91 0 150 < < < < << 0 008 --- <br /> 01/21/92 <br /> --01/21/92 < < < < < « 0 012 --- <br /> MW-4 <br /> --MW-4 01/21/92 Oil 00012 < 0 0012 0 00095 << 0 012 --- -- --- <br /> NOTES < = Below detection limits per"Tn Regional Board Staff Recommnedations for Preliminary Evaluation and Investigation of Underground Tank Sites" <br /> (August 10, 1990) Practical Quantitation Reporting Limits (PQL for BTEX=00005 ppm, TPH,as gasoline and diesel=005 ppm) <br /> MPN/100 ml = Most probable number per 100 mililiters of sample <br /> = Not analyzed <br /> << = Less than the detection limit noted <br /> Aegis Environmental Inc <br /> April 27 1992 <br />