2025 Nelsen Corporation Catalog - Catalog - Page 427
Contaminants
MCLG+
MCL+
Treatment Methods
Pentachloraphenol
zero
0.001
Activated Carbon
Picloram
0.5
0.5
Activated Carbon
Polychlorinated byphenyls
(PCBs)
zero
0.0005
Activated Carbon
Simarzine
0.004
0.004
Activated Carbon
Styrene
0.1
0.1
Activated Carbon
Air Stripping
Tetrachloroethylene
zero
0.005
Activated Carbon
Air Stripping
Toluene
1
1
Activated Carbon
Air Stripping
Toxaphene
zero
0.003
Activated Carbon
2,4,5-TP (silvex)
0.05
0.05
Activated Carbon
1,2,4-Trichlorobenezene
0.07
0.07
Activated Carbon
Air Stripping
1,1,1-Trichloroethane
0.2
0.2
Activated Carbon
Air Stripping
1,1,2-Trichloroethane
0.003
0.005
Activated Carbon
Air Stripping
Trichloroethylene
zero
0.005
Activated Carbon
Air Stripping
Vinyl chloride
zero
0.002
Activated Carbon
Air Stripping
Xylenes (total)
10
10
Activated Carbon
Air Stripping
Technical & Engineering
National Primary (Health Related) Drinking Water Regulations 17
(P)* = Proposed Standard
Primary (Health-Related) Disinfectants/Disinfectant By-Products
Contaminants
MCLG+
MCL+
Treatment Methods
Bromate
zero
0.010
Activated Carbon
Air Stripping
Bromodichloromethane
zero
see TTHMs
Activated Carbon
Air Stripping
Bromoform
zero
see TTHMs
Activated Carbon
Air Stripping
Chloramines
4 (total chlorine)
4 (total chlorine)
Activated Carbon
Chlorine
4 (as free chlorine)
4 (as free chlorine)
Activated Carbon
Chlorine Dioxide
0.8 (as CIO2)
0.8 (as CIO2)
Activated Carbon
Chorite
0.8
1.0
Activated Carbon
Chloroform
0.7
see TTHMs
Activated Carbon
Air Stripping
Dibromochloromethane
0.06
see TTHMs
Activated Carbon
Air Stripping
Dichloroacetic Acid
zero
see HAA5
Activated Carbon
Haloacetic Acids (HAA5)
zero (0.050) (P)*
0.06
Activated Carbon
Trichloroacetic Acid
0.2
see HAA5
Activated Carbon
Total Trihalomethanes
(TTHMs)
Bromodichloromethane
Bromoform
Chloroform
Dichlorobromomethane
zero
0.080
0.040 (P)*
Activated Carbon
Reverse Osmosis (20-90%)
Ultrapurification for precursor removal prior to
chlorination
Air Stripping
Distillation (20-90%)
(P)* = Proposed Standard
MCLG+ = Maximum Containment Level Goal established at the level at which no known or anticipated adverse effects on the health of persons occur and
which allows an adequate margin of safety; expressed per liter unless otherwise specified.
MCL+ = Maximum Containment Level established as close to the MCLG as feasible taking into consideration costs and treatment
techniques applicable at public water systems; expressed in milligrams per liter unless otherwise specified.
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