Summary of Organic Chemical Standards/Limits:

 

    Compound Designated Use   Limit (mg/l*)

  
                                                     *unless otherwise noted

Volatiles

 
 
        Benzene
        Freshwater (FW) Aquatic Life
                               acute                  5.3
        Saltwater (SW)  Aquatic Life
                               acute                  5.1
                       Human Consumption              0.0066
 
        Carbon Tetrachloride
                       FW Aquatic Life
                               acute                  35.2
                       SW Aquatic Life
                               acute                  50
                       Human Consumption               0.004  (lifetime cancer risk
                                                              of 1 in 100,000)
 
        Chlorobenzene
                       FW Aquatic Life
                               acute                   0.25  
                       SW Aquatic Life
                               acute                   0.16
                               chronic                 0.13
                       Human Consumption               0.49 (lifetime cancer risk
                                                            of 1 in 100,000)
 
        Styrene
                       Human Consumption               0.9  (lifetime cancer risk
                                                            of 1 in 100,000)
 
        Toluene
                       FW Aquatic Life
                               acute                  17.5  
                       SW Aquatic Life
                               acute                   6.3
                               chronic                 5.0  
                       Human Consumption              14.3  (lifetime cancer risk
                                                            of 1 in 100,000)
 
        Vinyl Chloride
                       Human Consumption               0.002  MCL
 
 
 

Synthetics: Non-Volatile

 
 
        Acrylamide
                       Human Consumption               No U.S. criteria currently set
 
        Pentachlorophenol
                       FW Aquatic Life
                               acute                   0.055
                               chronic                 0.0032
                       SW Aquatic Life
                               acute                   0.053
                               chronic                 0.034
                       Human Consumption               0.021 (no adverse effects)
 
        Polychlorinated Biphenyls (PCBs)
                       FW Aquatic Life                 0.014  micrograms/l  24 hour average
                       SW Aquatic Life                 0.030  micrograms/l  24 hour average
                       Human Consumption               0.00079 micrograms/l (lifetime 
                                                                            cancer risk of
                                                                            1 in 100,000)
 
        2,3,7,8-TCDD (Dioxin)
                       Human Consumption               0.013 g/l
 
 
 

Pesticides

 

    Compound Designated Use   Limit (mg/l*)

 
 
        Atrazine                       
                       Drinking Water                         0.003 MCL
                       Aquatic Life                                  
                               acute                          0.17
                               chronic                        0.003
 
        Metolachlor
                       Lifetime Health Advisory Level         0.1 
                       
        Alachlor
                       Drinking Water                         0.002 MCL
                       Aquatic Life 
                               acute                          0.76 
                               chronic                        0.076 
 
        2 - 4 D 
                       Drinking Water                         0.07 MCL
                       
        Trifluralin
                       Lifetime Health Advisory Level         0.005 
 
        Glyphosate
                       Drinking Water                         0.7 MCL 
 
        Dicamba
                       Lifetime Health Advisory Level         0.2
 
        Cyanazine
                       Lifetime Health Advisory Level         0.001   
 
        Simazine
                       Drinking Water                         0.004 MCL
 
        2,4,5-T 
                       Lifetime Health Advisory Level         0.07