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TABLE 4- SEWER DISCHARGE PERMIT <br /> FORMER REGAL STATION 603 - EXXON SERVICE STATION <br /> WICKLAND PROPERTIES GROUND MATER TREATMENT <br /> 6425 PACIFIC AVENUE AND DOUGLAS ROAD <br /> STOCKTON, CALIFORNIA 95203 <br /> TREATED GROUND WATER INTERIM SAMPLING <br /> ANALYTES EPA 14AX1MIUM <br /> METHOD ALLOWED <br /> DATE SAMPLED 12/01/92 01/21/93 02/24/93 04/01/93 MAY 93 06/14/93 JULY 93 08/23/93 SEPT 93 <br /> TRACE METALS mg/L mg/L mg/L mg/I, mg/L mg/L mg/L <br /> CADMIUM TT1.0 2 <0 01 NS <0 01 c0 05 <0 05 <0 01 <br /> CHROMIUM METALS 5 <0 02 NS <0 02 <0 05 <0 05 c0 05 <br /> COPPER 6 <0 09 NS c0 09 <0 1 <0 05 <0 05 <br /> LEAD 2 4 05 NS <0 05 <0 1 c0 05 <0 1 <br /> NICKEL 5 <0 02 HS <0 02 <0 1 <0 05 <0 GS <br /> ZINC 7 0 21 NS 0 33 0 11 <0 05 <0 05 <br /> TOTAL PETROLEUM 8015M <br /> HYDROCARBONS <br /> 100 14 NO 14 16 11 Z 0 52 <br /> gasoline <br /> 13 ND ND 3 1 5 0 2 <br /> kerosine <br /> 1 ND 3 NA NA NA <br /> diesel ND ND 11 13 9 7 0 44 <br /> TOTAL TOXIC 624/625 <br /> ORGANICS <br /> OR 602 4 57 3 26 ND ND 0 3988 Q 0008 0 0645 <br /> <0 05 ND NO 0 0031 ND 0 0017 <br /> 9enzene <br /> 0 3 ND ND 0 0126 0 0003 0 0034 <br /> Toluene <br /> <tl OS ND ND 0 0037 Q 0005 0 0054 <br /> Ethylbenzene <br /> 1 6 ND NB 9 3800 ND 0 054 <br /> total Xylenes <br /> 0 7 ''S NS NS NS NS <br /> 2,4 Dimethylphenol <br /> 2 <br /> 0 06 NS NS NS NS NS <br /> -Methylnaphthalene <br /> 0 417 NS NS 145 NS NS <br /> N NitrosodimeChylamine <br /> 0 17 NS NS NS N$ NS <br /> naphthalene NS <br /> Phenol 0 084 NS NS NS NS <br /> 0 26 NS HS NS NS NS <br /> 2-Methylphenol NS <br /> 4-Methylphenol 0 073 NS NS NS NS <br /> TEMPERATURE <br /> 150 F 55 F 55 F 56 F 70 6 80 F 90 F <br /> 5 0 - 10 0 7 64 7 64 7 64 6 B8 7 5 6 98 <br /> PH <br /> LEL <br /> lot 0-2k Ok 0k <lt <lk <ik <br /> CATER DISCHARGE <br /> 1209 GPD Boo 600 1287 984 7 0 Boo 0 700 0 <br /> -CCUMULATIVE DISCHARGED GAL 800 14Go 2667 3671 7 3671 7 5471 7 4471 7 5171 7 5171 7 <br /> OTHER ANALYTES DETECTED 624/625 LD50 <br /> K 7 NS NS NS N5 <br /> 31si2-et'hylhexhyyPlithalate 31000m 9/ g <br /> Note OTHER ANALYTES DETECTED are not listed under Title 22 or in CRWQCE-CVR "A Compilation of Water Quality <br /> goals", February, 1991 Other refrences used Hawley Condesed Chemical Dictionary and NIOSH Chemical Hazards <br /> LD50 lethal dose 50% survival ND below detecCOn limits NS not analyzed for <br /> mg/Kg milligrams per kilogram or mg/L milligrams per liter . parts per million (PPml <br />