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Tri-Regional Recommendations Page 8 of 24 <br /> Appendix A <br /> Table 1:Water Quality Numerical Limits for Petroleum Fuel Mixtures,Constituents and Additives(Cont.) <br /> Water Quality Numerical Limit Interpreting Water QualityOb ective OEHHA <br /> Constituent Objective(a) Source Limit Units PEF <br /> Polynuclear Aromatic H drocarbons PAHs or PNAs and derivatives: <br /> Acenaphthene Toxicity USEPA IRIS Reference Dose(i) 420 ug/L <br /> Tastes and Odors USEPA National Ambient Water Quality Criteria 20 u /L <br /> Anthracene Toxicity USEPA IRIS Reference Dose i 2100 u /L <br /> Benz(a)anthracene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.04 u /L 0.1 <br /> Benzo(a)pyrene Chemical Constituents California Primary MCL 0.2 u /L <br /> Toxicity Public Health Goal 0.004 ug/L 1 (index) <br /> Benzo b fluoranthene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.04 u /L 0.1 <br /> Benzo fluoranthene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.04 u /L 0.1 <br /> Benzo k fluoranthene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.04 u /L 0.1 <br /> Chrysene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.4 u /L 0.01 <br /> Dibenz(a,j)acridine Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.04 ug/L 0.1 <br /> Dibenz a,h acridine Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.04 u /L 0.1 <br /> Dibenz a,h anthracene Toxicity Cal/EPA Cancer Potency Factor c 0.0085 u /L <br /> 7H-Dibenzo c, carbazole Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.004 1 u /L 1 <br /> Dibenzo a,e p rene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.004 1 ug/L 1 <br /> Dibenzo(a,h)pyrene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.0004 ug/L 10 <br /> Dibenzo a,l rene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.0004 u /L 10 <br /> Dibenzo a,l rene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.0004 ug/L 10 <br /> 7,12-Dimethylbenz(a)anthracene Toxicity Cal/EPA Cancer Potency Factor(c) 0.00014 ug/L <br /> 1,6-Dinitropyrene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.0004 ug/L 10 <br /> 1,8-Dinitropyrene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.004 ug/L 1 <br /> Fluoranthene Toxicity USEPA IRIS Reference Dose i 280 ug/L <br /> Fluorene Toxicity USEPA IRIS Reference Dose i 280 ug/L <br /> Indeno I,2,3-c,d p rene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.04 u /L 0.1 <br /> 3-Methylcholanthrene Toxicity Cal/EPA Cancer Potency Factor c 0.0016 ug/L <br /> 5-Methylchrysene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.004 ug/L 1 <br /> 2-Methylnaphthalene Toxicity USEPA IRIS Reference Dose i 28 u /L <br /> Naphthalene Toxicity California DHS Action Level in drinking water 170 u /L <br /> Tastes and Odors Amoore and Hautala,J.Applied Tox.,Vol.3,No.6,1983 21 u /L <br /> 5-Nitrtoacenaphthene ToxicityCal/EPA Cancer PotencyFactor c 0.27 u /L <br /> 6-Nitrocrysene Toxicity Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.0004 ug/L 10 <br /> 2-Nitrofluorene Toxicit Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.4 u /L 0.01 <br /> I-Nitro rene Toxicit Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.04 u /L 0.1 <br /> 4-Nitropyrene Toxicit Public Health Goal for benzo(a)pyrene&OEHHA PEFs 0.04 u /L 0.1 <br /> Pyrene Toxicit USEPA IRIS Reference Dose i 210 u /L <br /> No policy or regulation is expressed or intended. Jon Marshack,CVRWQCB 1 April 2004 <br />