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TABLE 20NTINUED) <br /> ANALYTICAL RESULTS GROUNDWATER <br /> 4445 PERSHING AVENUE, STOCKTON CALIFORNIA <br /> Monitoring Date Total Aromatic Voiatlle Organics EDB Total Lead Organic Coliform Total/Fecal <br /> Well Petroleum (ppb) (ppm) Lead (MPN1100 ml) <br /> Hydrocarbons (ppm) <br /> Gasoline Benzene Toluene Ethyl Total <br /> (ppm) (ppm) ;ppm) benzene X lenes <br /> (Ppm) (PPn11 <br /> MW 3 07/23/90 < < < s «0 01 <br /> 10/09/90 1 < < < < «0 01 «1 0 <br /> 01/09/91 < < < < < «0 01 -- 5 1 <br /> 04/09/91 < < < < < «0 01 <<1 0 <br /> 07/17191 0 15 < < < < «0 01 «1 0 - <br /> 10/08/91 < < < < < «0 01 0 008 = <br /> 01/21/92 < < < < ! «001 0012 <br /> 04/21/92 < < < < < «0 02 - <br /> 07/13/92 < < < < < --- <br /> 10/08/92 < < < < < <br /> 01/11/93 OBS OBS OBS OBS OBS OSS OBS OBS OBS OBS <br /> 04/28193 0 160 < < < 000063 <br /> 08/26/93 0 072 00033 0 00095 0 0029 00063 <br /> 10/01193 < < < < < <br /> MW 3D 04/28/93 0 160 < < < <br /> ( DUP ) 08126/93 0 074 000-32 000076 00029 00062 - <br /> MW 4 01/21/92 0 11 00012 < 00012 000085 «0 01 0 012 <br /> 04/21/92 < < < < < «0 02 0 005 <br /> 07/13/92 < < < < < __ «0 005 <br /> 10/08/92 < < < < < -- 0 012 <br /> 01/11/93 0 230 0 057 0 012 00013 00087 «0 005 <br /> 04128/93 0 079 00036 00030 00062 -- <br /> 08/26/93 0 130 00047 000086 00035 00066 <br /> 10101/93 0 050 00026 < 0 00066 < - - - --- <br /> MW 4D 10/08/92 < < < < < <br /> ( X Dup ) 10/01/93 0 060 00029 < 000082 < --- <br /> NOTES EDB - Emylene dlbfomlde <br /> - Below Practical GuenWdiion Reporting L uruls per 1 ri Regional Board Stati Recomrnendaiions loi Preliminary Evaluation and InvestJgdllon of <br /> Underground Tank Srles (August 10 1(90) (PQlm B11 EX- 00005 ppm TPH as gasolrrm and drescl= 005 ppm) <br /> MPNr100 rill Most probable number per 100 rrnllihters of sdinple <br /> OBS = Obstructed <br /> Not analyzed <br /> - Le,s than indicated delection InrnUmpn ds rnuicet�d on laboialart andlylical report <br /> 0 - Duplicate Sample <br /> ppm Parts per million <br /> h Pars pe! bicron <br /> his�rt ilei i i <br /> .1b1l Jo, i int <br />