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Table 1. Designated Levels for Constituents in Soils and Cleanup Goals for Groundwater <br /> Western Farm Service,Stockton <br /> Range of Highest <br /> Range of Highest Water Quality Method Attenuation Leachability <br /> Chemical Concantmtlons In Basle for Goal Total Designated Level° <br /> Concentrations in Soll° Groundwater s Goal'° Detection Limits Factor Factor <br /> Inorganic Compounds <br /> Ammonium' 3200-6,600 mg/kg 29-34° -90110.5 mgA 0.1 mgA Taste and Odor 200 mg/kg <br /> (sum of Nit21e-N and <br /> Nitrate(as nitrogen) 450-1,350 mg/kg 65-160° mall 10 mgA 2 mg4 I California PHG for Drinking Water Ammonium) <br /> Volatile Organic Compounds <br /> OneAn-z-Million Incremental CaVEPA <br /> Bromo@g riichlommethane ND I<5) ug3-9 u9A 0.27 ugA 0.5 ugA Cancer Potency Factor as a Drinking 1 1 0.27 ug/kg <br /> Water Level <br /> Oneina-Million Incremental CaVEPA <br /> Dibromoctilommethane ND(<5) ug" 1.3-4.7 ugA 0.37 ugA 0.5 ugA Cancer Potency Factor as a Drinking 1 1 0.37 ug/kg <br /> Water Level <br /> 1,2-Dkhloro rone 190-420 ugAg 25-44° ugA 0.5 UgA 0.5 ugA California PHG for Drinking Water 1 1 0.5 ug/kg <br /> 1,2-0irJllorobenzene 8 ug/kg NO(<2.0) ugA 600 ugn 2 ugA California State Action Level for Toxicity DHS 1 1 800 ug/kg <br /> 1.bDkhlambenzane 15 ugAg NO(<0.5) ugA 600 ugA 2 off IffoDHSmU State Action Level for Toxicity 1 1 800 ug/kg <br /> One-in-a-Million Incremental CaVEPA <br /> Cilloreform 16-61 ugAg 5-25 ugA 1.1 ug4 0.5 ugA Cancer Potency Factor as a Drinking 1 1 1.1 ugkg <br /> Water Level <br /> Chlorohenzene 6 u ND <1.0 u 20 u 2 u Taste and <br /> Odor 1 1 20 urtuft <br /> 72,&Tnchloropopane <br /> NO(<5) ug/kg 7-11° ugA 0.005 ugll 1 ug/ DHSCalff.mia State Action Levelfa'Toxidty 1 1 0.005 ug/kg <br /> Fumigants <br /> Oneina-Million Incremental CaMPA <br /> EDB NO(<50) ug/kg 0.27-0.36° ugA 0.0097 ugA 0.02 ug/ Cancer Potency Factor as a Drinking 1 1 0.0097 ug/kg <br /> Water Level <br /> OBCP ND <5 u h 0.7-1.3° ugA 0.0017 ugll 001 u California PHG for Driniking Water 1 1 0,0017 ugMg <br /> Herbicides <br /> 2,4-D ND(<40) ug/kg NO ugA 56 ugA 10 uall USEPA IRIS Reference Dose as a 10 1 560 ugAg <br /> Drinking Water Level <br /> dicamha 41 uglkg IND(<1) ugn 210 ugA 1 ugA USEPA IRIS Reference Dose as a 10 10 21,000 ug/kg <br /> Ddnkina Water Level <br /> dinoseb ND(<40) ug/kg 2-126 ugA 7 ugn 2 ugA California Primary MCLfor Drinking 1 1 7 ug/kg <br /> Water DHS <br /> Organochlorine Pesticides <br /> One-Ina-Million Incremental CaVEPA <br /> 4,4-DDD 140 ug/kg ND(<u.1) ugA 0.15 ugA 0.05 ugA Cancer Potency Fadorasa Drinking 100 100 1,500 ugAg <br /> Water Leval <br /> One-Ina-Million Incremental CaVEPA <br /> 4,4-DDE 8-220 ug/kg ND(<0A) ugA 0.1 ugA 005 ugA Cancer Potency Factoras a Drinking 100 100 1,000 ugAg <br /> Water Level <br /> Oneina-Mllon Incremental CaVEPA <br /> 4,4-DDT 290-1700 ug/kg NO(< A) ugA 0.1 ugA 0.01 ugA Cancer Potency Factoras a Drinking 100 100 1,000 ug/kg <br /> Water Level <br /> Endesullan(I and ll) 41 ug/kg NO 42 ugA 0.05 ugA USEPA IRIS Reference Dose as a 100 100 420,000 ug/kg <br /> Drinkin Water Level <br /> Carbamate/ureas <br /> chiorophopham 160 Ug/kg NO SO) age 350 ugA 5 ugn California State Action Level for Toxicity 10 10 35,000 ug/kg <br /> Califfopropoxur 3,500-13,000 ugAkg NO(<50) ugA 30 ugA 5 ugA DHSm45tale Action Level for Toxicity 10 10 3,000 ug/kg <br /> Triazins pesticides <br /> simazine W-100 U2Lkq ND <2.0 uQA 0.4 ulij I 1 u / jCallffomla PHG for Drinking Water 10 70 40 uan <br /> Organo-phosphorous pesticides <br /> Drinidnif <br /> tlisulfoton 57-88 ug/kg ND(<20) ugA 03 ugA 0.5 ugA USEPA IRIS Reference Dose as a 10. 10 30 ug/kg <br /> Water Level <br /> Western Farm Service,Stockton,January 2002,Page 1 <br />