Substance                       Concentration in milligrams per liter

Chloride                                                                                                                      250.0
Iron                                                                                                                                  0.3
Manganese                                                                                                                    0.05
Phenols                                                                                                                         0.001
Total dissolved solids                                                                                                    500.0
Zinc                                                                                                                                   5.0

Contaminant               Concentration in milligrams per liter (or as specified)

Arsenic                                                                                                                          0.010
Antimony                                                                                                                         .006
Barium                                                                                                                                  2
Beryllium                                                                                                                        0.004
Cadmium                                                                                                                       0.005
Chromium                                                                                                                          0.1
Copper                                                                                                                              1.0
Cyanide                                                                                                                             0.2
Lead                                                                                                                              0.005
Mercury                                                                                                                         0.002
Nickel                                                                                                                                0.1
Nitrate                                                                                                            10 (as nitrogen)
Nitrite                                                                                                               1 (as nitrogen)
Total Nitrate and Nitrite                                                                                  10 (as nitrogen)
Selenium                                                                                                                          0.05
Thallium                                                                                                                         0.002


(B) The allowable levels for volatile organic chemicals (VOC's) are as follows:

Contaminant (CAS Reg. No.)        Concentration in milligrams per liter

Benzene (71-43-2)                                                                                                        0.005
Carbon tetrachloride (56-23-5)                                                                                      0.005
o- Dichlorobenzene (95-50-1)                                                                                           0.6
p- Dichlorobenzene (106-46-7)                                                                                     0.075
1,2-Dichloroethane (107-06-2)                                                                                      0.005
1,1-Dichloroethylene (75-35-4)                                                                                     0.007
cis-1,2-Dichloroethylene (156-59-2)                                                                                0.07
trans-1,2-Dichloroethylene (156-60-5)                                                                              0.1
Dichloromethane (75-09-2)                                                                                           0.005
1,2-Dichloropropane (78-87-5)                                                                                      0.005
Ethylbenzene (100-41-4)                                                                                                   0.7
Monochlorobenzene (108-90-7)                                                                                        0.1
Styrene (100-42-5)                                                                                                            0.1
Tetrachloroethylene (127-18-4)                                                                                    0.005
Toluene (108-88-3)                                                                                                             1
1,2,4-Trichlorobenzene (120-82-1)                                                                                 0.07
1,1,1-Trichloroethane (71-55-6)                                                                                      0.20
1,1,2-Trichloroethane (79-00-5)                                                                                    0.005
Trichloroethylene (79-01-6)                                                                                           0.005
Vinyl chloride (75-01-4)                                                                                                 0.002
Xylenes (1330-20-7)                                                                                                           10


(C) The allowable levels for pesticides and other synthetic organic chemicals (SOC's) are
as follows:

Contaminant (CAS Reg. No.)        Concentration in milligrams per liter

Alachlor (15972-60-8)                                                                                                     0.002
Atrazine (1912-24-9)                                                                                                       0.003
Benzo(a)pyrene (50-32-8)                                                                                             0.0002
Carbofuran (1563-66-2)                                                                                                    0.04
Chlordane (57-74-9)                                                                                                       0.002
Dalapon (75-99-0)                                                                                                               0.2
1,2-Dibromo-3-chloropropane (96-12-8)                                                                       0.0002
2,4-D (94-75-7)                                                                                                                 0.07
Di(2-ethylhexyl)adipate (103-23-1)                                                                                      0.4
Di(2-ethylhexyl)phthalate (117-81-7)                                                                               0.006
Dinoseb (88-85-7)                                                                                                           0.007
Diquat (85-00-7)                                                                                                                0.02
Endothall (145-73-3)                                                                                                           0.1
Endrin (72-20-8)                                                                                                              0.002
Ethylene dibromide (106-93-4)                                                                                    0.00005
Glyphosate (1071-53-6)                                                                                                      0.7
Heptachlor (76-44-8)                                                                                                     0.0004
Heptachlor epoxide (1024-57-3)                                                                                    0.0002
Hexachlorobenzene (118-74-4)                                                                                       0.001
Hexachlorocyclopentadiene (77-47-4)                                                                               0.05
Lindane (58-89-9)                                                                                                         0.0002
Methoxychlor (72-43-5)                                                                                                     0.04
Oxamyl (23135-22-0)                                                                                                          0.2
Pentachlorophenol (87-86-5)                                                                                          0.001
PCB's (as decachlorobiphenyl) (1336-36-3)                                                                 0.0005
Picloram (1918-02-1)                                                                                                          0.5
Simazine (122-34-9)                                                                                                        0.004
2,3,7,8-TCDD (Dioxin) (1746-01-6)                                                                             3 * 10-8
Toxaphene (8001-35-2)                                                                                                  0.003
2,4,5-TP (Silvex) (93-72-1)                                                                                                0.05

(D) The allowable levels for certain chemicals for which EPA has established secondary
maximum contaminant levels in its drinking water regulations (40 CFR part 143) are as
follows:

Contaminant        Concentration in milligrams per liter

Aluminum                                                                                                                             0.2
Silver                                                                                                                                   0.1
Sulfate 1                                                                                                                          250.0
1Mineral water is exempt from allowable level. The exemptions are aesthetically based
allowable levels and do not relate to a health concern.
F D A Bottle Water Standards