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T2 <br /> ANALYTICAL RESULTS GROUNDWATER <br /> 4445 PERSHING AVENUE STOCKTON CALIFORNIA <br /> Monitoring Date I Total Aromatic Volatile Organics EDB Total Lead Organic Lead Coliform Total/Fecal <br /> Well Petroleum (ppb) (ppm) (ppm) (MPN/100 ml) <br /> Hydrocarbons <br /> Gasoline Benzene Toluene Ethyl Total <br /> (ppm) (ppm) (ppm) benzene Xylenes <br /> (ppm) (ppm) <br /> MW-1 07/23/90 < < < < <<001 «i 0 <br /> 10/09/90 < < < < < <<001 <<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 <br /> 01/21/92 < < < < < «0 01 0 030 <br /> 04/21/92 < < < < < «0 02 <br /> 07/13/92 < < < < < <br /> 10/08/92 < < < < < <br /> 01/11193 < < < < < <br /> 04/28/93 < < < < < <br /> MW 1D 01/11/93 < < < < < <br /> ("MW 5') <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 < < < < < «0 01 - <<1 0 69 69 <br /> 07/17/91 006 < < < < «0 01 <<1 0 - >23 >23 <br /> 10/08/91 006 < < < < «0 01 0 005 69 69 <br /> 01121/92 < < < < < «0 01 0 011 <38 <br /> 04/21/92 < < < < < «0 02 19 <br /> 07/13/92 < < < < < <3 8 <br /> 10/08/92 < < < < < «2 0 <br /> 01/11/93 < < < < < 50 <br /> 04/28/93 < < < < < <br /> NOTES EDB = Ethylene d�brornide <br /> < - Below Practuai Quarnitation Reporting Limits per Tri Regional Board Stat[Recommendations for Preliminary Evaluation and Investigation of <br /> Underground Tank Sites (August 10 1990)(POL for BTEX=0 0005 ppm TPH as gasoline and diesel-0 05 ppm) <br /> MPN/100 ml Most probable number per 100 md6iters of sample <br /> Not analyzed <br /> << _ Less than indicated detection limit/mpn as indicated on laboratory analytical report <br /> - Duplicate sample <br /> ppm = Parts per million <br /> ppb = Parts per billion <br /> Aegf5 Enwronmunal Inc <br /> 89 016/June 7 1993 <br />