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TABLE 4- SEWER DISCHARGE PERMIT s <br /> FORMER REGAL STATION 603 - EXXON SERVICE STATION ' <br /> WICKL AND PROPERTIES GROUND WATER TREATMENT <br /> 6425 'PACIFIC AVENUE AND DOUGLAS ROAD <br /> - _ <br /> STOCKTON, CALIFORNIA 95203 <br /> .� <br /> TREATEDGROUNDWATER INTERIM SAMPLING _ - <br /> i <br /> ,j ANALYTES EPA MAXIMIUM _ <br /> METHOD 'ALLOWED <br /> F I <br /> DATE,SAMPLED .12/01/92 01/21/93 02/24/93 - <br /> TRACE METALS mg/L mg/L (ppm)mg/L.(ppm)mg/L (ppm: <br /> CADMIUM TTLC 2 <0.01 NS <0.01 _ <br /> CHROMIUM METALS 5 <0.02 NS <0.02 " <br /> COPPER 6 <0.09 NS <0.09 <br /> �i. <br /> f LEAD. 2 x0.95 NS <0.0.5 .. <br />•,} NICKEL 5 <0.02 NS <0.02 } <br /> ZINC - 7 0.21 NS 0.33 <br /> `.j TOTAL PETROLEUM 6015M <br />�1 HYDROCARBONS 100 14 ND 14 - - <br /> gasoline 13 ND ND <br /> kerosine 1. ND 3 <br /> 'diesel ND NO 11 <br /> _ TOTAL TOXIC 624/625 - _ • <br /> ORGANICS OR 602 4.57 3.26 ND ND <br /> Benzene x0.05 NO NO <br /> f _ Toluene 0.3 ND ND <br /> i; Ethylbenzene <0.05 ND ND <br /> 'i total Xylenes. 1.6 NO RD .. . <br /> 2,4 Dimethylphenol 0.7 NS NS <br />�i 2-Methylnaphthalene 0.06 NS NS <br /> :} N. Nitrosodimethylamine 0.013 NS NS <br /> �3. Naphthalene 0.17 ,NS NS <br /> Phenol'" 0.084 NS NS - <br /> '± 2-Methylphenol 0.26 NS NS <br /> 4-Methylphenol 0.073 NS NS <br /> TEMPERATURE 150 F .55 F 55 F 56 F ' <br /> pH 5.0 - 10.0: 7.64 7.64 7.64 <br /> ,a J <br /> y! LEL lot 0-21 0% 0% <br /> WATER DISCHARGE 1200 GPD 800 600 1287 '" <br /> ACCUMULATIVE DISCHARGED GAL. - - 800 1400 2687 J <br /> OTHER.ANALYTES DETECTED 624/625 LD50 <br /> .;a H1s(2-ethylhexhy)Phtha1ate 31000mg/Kg: 7 NS - NS <br /> - Note: OTHER ANALYTES DETECTED are not listed under Title 22 or in CRWQCH-CVR "A'Compilation of Water Quality <br /> goals", February, 1491. Other refrences used: Hawley Condesed Chemical Dictionary and NIOSH Chemical Hazards <br />�,4 LD50 lethal dose 501 survival. ;ND below detectors limits. NS not analyzed for. <br /> { mg/Kg milligrams per kilogram or mg/L milligrams per liter a parts per million (ppm) i <br />`_"{` <br /> 24 <br />