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Tri-Regional Recommendations Page 7 of 24
<br /> Appendix A
<br /> Table 1:Water Quality Numerical Limits for Petroleum Fuel Mixtures,Constituents and Additives"
<br /> Water Quality Numerical Limit Interpreting Water QualityOb ective
<br /> Constituent Objective(a) Source Limit I Units
<br /> Aromatic Hydrocarbons:
<br /> Benzene Chemical Constituents California Primary MCL(b) N26
<br /> ug/L
<br /> ToxicityCalifornia Public Health Goal OEHHA u /L
<br /> Tastes and Odors Amoore and Hautala,J.Applied Tox.,Vol.3,No.6,1983u /L
<br /> n-But (benzene ToxicityCalifornia DrinkingWater Action Level DHS u /L
<br /> sec-But (benzene ToxicityCalifornia Drinking Water Action Level DHS u /L
<br /> tert-Butylbenzene Toxicity California Drinking Water Action Level(DHS) ug/L
<br /> Ethylbenzene Chemical Constituents California Primary MCL b 300 u /L
<br /> Toxicity California Public Health Goal OEHHA 300 u /L
<br /> Tastes and Odors Federal Register,Vol.54,No.97,pp.22138,22139 29 u /L
<br /> Isopropyl benzene Toxicity USEPA IRIS Reference Dose i 700 ug/L
<br /> Tastes and Odors Amoore and Hautala,J.Applied Tox.,Vol.3,No.6,1983 0.8 ug/L
<br /> Toluene Chemical Constituents California Prima MCL b 150 ug/L
<br /> Toxicity California Public Health Goal OEHHA 150 u /L
<br /> Tastes and Odors Federal Register,Vol.54,No.97,pp.22138,22139 42 u /L
<br /> 1,2,4-Trimethylbenzene Toxicity California Public Health Goal OEHHA 330 ug/L
<br /> Tastes and Odors Amoore and Hautala,J.Applied Tox.,Vol.3,No.6,1983 15 ug/L
<br /> 1,3,5-Trimethyl benzene Toxicity California Public Health Goal OEHHA 330 ug/L
<br /> Tastes and Odors jAmoore and Hautala,J.Applied Tox.,Vol.3,No.6,1983 15 ug/L
<br /> Xylenes(sum of isomers) Chemical Constituents ICalifornia Prima MCL b 1750 u /L
<br /> Toxicity California Public Health Goal OEHHA) 1800 u /L
<br /> Tastes and Odors I Federal Register,Vol.54,No.97,pp.22138,22139 17 ug/L
<br /> Aliphatic Hydrocarbons:
<br /> n-Hexane IToxicity I USEPA Health Advisory a 400 u /L
<br /> Tastes and Odors jAmoore and Hautala,J.Applied Tox.,Vol.3,No.6,1983 6.4 u /L
<br /> Hydrocarbon Mixtures:
<br /> Diesel or Kerosene Toxicity USEPA Su erfund Provisional Reference Dose i 56-140 ug/L
<br /> Tastes and Odors Taste&odor threshold from USEPA Health Advisory 100 ug/L
<br /> Gasoline Toxicity USEPA Su erfund Provisional Cancer Sloe Factor c 21 u /L
<br /> Tastes and Odors McKee&Wolf,Water Quality Criteria,SWRCB,p.230 5 ug/L
<br /> Additives:
<br /> Lead Chemical Constituents California Prima MCL(b) 15 ug/L
<br /> Toxicity h California Public Health Goal OEHHA 2 u /L
<br /> Ethylene dibromide(EDB) Chemical Constituents California Prima MCL b 0.05 u /L
<br /> Toxicity California Public Health Goal OEHHA 0.01 u /L
<br /> Ethylene dichloride Chemical Constituents California Primary MCL(b) 0.5 ug/L
<br /> (1,2-Dichloroethane) Toxicity California Public Health Goal OEHHA 0.4 u /L
<br /> Tastes and Odors Amoore and Hautala,J.Applied Tox.,Vol.3,No.6,1983 7000 u /L
<br /> Methyl t-butyl ether(MtBE) Chemical Constituents California Prima MCL b 13 u /L
<br /> Chemical Constituents California Secondary MCL(f) 5 u /L
<br /> Toxicity California Public Health Goal(OEHHA) 13 ug/L
<br /> Tastes and Odors California Secondary MCL 5 u /L
<br /> Di-iso ro I ether DIPE Tastes and Odors Amoore and Hautala,J.Applied Tox.,Vol.3,No.6,1983 0.8 u /L
<br /> t-Butyl alcohol(TBA) Toxicity California Drinking Water Action Level DHS 12 u /L
<br /> Tastes and Odors Amoore and Hautala,J.Applied Tox.,Vol.3,No.6,1983 290,000 2AIL
<br /> Ethanol Tastes and Odors jAmoore and Hautala,J.Applied Tox.,Vol.3,No.6,1983 760,000 ug/L
<br /> Methanol Toxicity JUSEPA IRIS Reference Dose i 3500 u /L
<br /> Tastes and Odors jAmoore and Hautala,J.Applied Tox.,Vol.3,No.6,1983 740,000 u /L
<br /> No policy or regulation is expressed or intended. Jon Marshack,CVRWQCB 1 April 2004
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