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TABLE 4 <br /> FORMER REGAL STATION 603 - EXXON SERVICE STATION <br /> WICKLAND PROPERTIES GROUND WATER TREATMENT <br /> 6425 PACIFIC AVENUE AND DOUGLAS ROAD <br /> STOCKTON, CALIFORNIA 95203 <br /> CONTAMINATED GROUND WATER INTERIM SAMPLING <br /> ANALYTES EPA MAXIMIUM Other name, CAS#, Derivitive/uses <br /> METHOD ALLOWED - <br /> DATE SAMPLED 12/01/92 <br /> TRACE METALS mg/L mg/L (ppm) <br /> CADMIUM TTLC 2 <0 01 <br /> CHROMIUM METALS 5 <0 02 <br /> COPPER 6 <0 09 <br /> LEAD 2 <0 05 <br /> NICKEL 5 <0 02 <br /> ZINC 7 0 21 CAS# 7440-66-6, from ores/aLloys, galvanizing, electorplating, etc <br /> TOTAL PETROLEUM 8015M <br /> HYDROCARBONS 100 14 <br /> gasoline 13 CAS#8006-61-9, petroleum/fuel <br /> kerosine 1 CAS# 8008-20-6, from petroteum/rocket & jet fuel, domestic heating <br /> TOTAL TOXIC 624/625 <br /> ORGANICS OR 602 4 57 3 26 <br /> Benzene <0 05 CAS# 71-43-2, from gasoline, distillation of coal tar/gasoline <br /> Toluene 0 3 CAS# 180-88-3, from petroleum & coat tar/ gasoline. <br /> Ethytbenzene <0 05 Phenytethane CAS# 100-41-4, from petroleum refining/gasoLine, sot. <br /> total Xylenes 1 6 CAS# 1330-20-7, form petroleum & coat tar/ gasoline <br /> 2,4 Dimethylphenol 0 7 Xylenol CAS # 1300-71-6, from coal tar, petroteum/add to gasoline <br /> 2-Methylnaphthalene 0 06 B-methylnaphthalene CAS# 91-57-6, from coal tar/organic synthesis <br /> N Nitrosodimethylamine 0 013 CAS# 67-75-9, uses rocket fuels, solvent, rubber accelerator. <br /> Naphthalene 0 17 CAS# 91-20-3, from coat tar and petroteum/variaty of uses <br /> Phenol 0 084 CAS# 108-95-2, from petroleum, coal tar/lubricants, etc <br /> 2-MethylphenoL 0 26 o-Cresol CAS# 95-48-7, from crude cresol, coal tar/ <br /> 4-Methylphenot 0 073 p-Cresot CAS# 106-44-5, from distil of cresol or benzene by cumene <br /> TEMPERATURE 150 F 55 F <br /> PH 50 - 100 764 <br /> LEL 10% 0-2X <br /> WATER DISCHARGE 1200 GPD 800 gallon Batched dumped over 2 hours <br /> OTHER ANALYTES DETECTED 624/625 LD50 <br /> Bis(2-ethythexhy)Phthalate 31000mg/Kg 7 Liquid used in vacuum pumps No CAS#, <br /> L050 is mg/Kg per body weight in Kg <br /> Note• OTHER ANALYTES DETECTED are not ilsted wider T.tte 22 or `^ Counr6-rvii 11A Camnilation of Water Quality <br /> goats", February, 1991 Other refrences used Hawley Condesed Chemical Dictionary and NIOSH Chemical Hazards <br /> LD50 lethal dose 50% survival NA not applicable LEL Lower explosion limit <br /> mg/Kg milligrams per kilogram or mg/L milligrams per liter = parts per million (ppm) <br /> 25 <br />