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a <br /> TABLE 2 <br /> ANALYTICAL RESULTS: GROUNDWATER <br /> 4445 PERSHING AVENUE,STOCKfON,CALIFORNIA <br /> (Results in parts-per-rulWparts-per-bion) <br /> Monitoring Date Total Aromatic Volatile Organics EDB Total Organic Coliform <br /> Well Petroleum (ppb) Lead Lead Total/Fecal <br /> Hydrocarbons (ppm) (ppm) (MPN/100ml) <br /> Gasoline Benzene Toluene Ethylbenz Total <br /> (ppm) (ppb) (ppb) ene Xylenes <br /> (ppb) (ppb) <br /> MW-1 07/23/90 < < < < < «0 01 — «1 0 -- --- <br /> 10/09/90 < < < < < «0 01 — <<1 0 --- --- <br /> 01/09/91 < < < < < «0 01 — — — >16 <br /> 04/09/91 < < < < < «0 01 — <<1 0 -- --- <br /> 07/17/91 < < < < < «0 01 0 005 — --- — <br /> 10/08/91 < < < < < «0 01 <<1 0 — —01/21/92 < < < < < «0 01 0 030 — --- — <br /> 04/21/92 < < < < < «0 02 — --- — — <br /> 07/13/92 < < < < < -- — --- --- — <br /> 10/08/92 < < < < < --- -- --_ --- --- <br /> MW-2 07/23/90 < < < < < «0 01 --- <<1 0 --- -- <br /> 10/09/90 < < < < < «0 01 — <<1 0 --- — <br /> 01/09/91 < < < < < «0 01 --- — --- 16 <br /> 04/09/91 < < < < < <<O 01 — «1 0 69 69 <br /> 07/17/91 0 060 < < < < «0 01 <<1 0 — >23 >23 <br /> 10/08/91 0 060 < < < < «0 01 0 005 -- 69 69 <br /> 01/21/92 < < < < < «0 01 0 011 -- --- <3 8 <br /> 04/21/92 < < < < < «0 02 --- --- --- 19 <br /> 07/13/92 < < < < < — — --- — <3 8 <br /> 10/08/92 < < < < < --- --- — <<2 0 <br /> NOTES EDB Ethylene dibromlde <br /> < = Below Practical Quantitation Reporting Limits per"Tri Regional Board Staff Recommendations for Preliminary Evaluation and investigation of <br /> Underground Tank Sites'(August 10, 1990) (POL for BTEX=0 0005 ppm, TPFI,as gasoline and diesel=0 05 ppm) <br /> MPN/100 ml = Most probable number per 100 milliliters of sample <br /> Not analyzed <br /> << = Less than indicated detection Itmit/mpn as Indicated on laboratory analytical report <br /> D = Duplicate sample <br /> Aegis Environmental Inc <br /> 69-016/December 9 1992 <br />