Primary (Health-Related) Disinfectants ByProducts

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	0.3 (as CIO2)	0.8 (as CIO2)	Activated Carbon
Chorite	0.8	1.0	Activated Carbon
Chloroform	zero	see TTHMs	Activated Carbon	Air Stripping
Dibromochloromethane	0.06	see TTHMs	Activated Carbon	Air Stripping
Dichloracetic Acid	zero	see HAA5	Activated Carbon
Haloacetic Acids (HAA5)	zero	0.06 (0.050) (P)*	Activated Carbon
Trichloroacetic Acid	0.3	see HAA5	Activated Carbon
Total Trihalomethanes (TTHMs)	zero	0.080	Activated Carbon	Air Stripping
Bromodichlromethane - Bromoform - Chloroform - Dichlorobromemathane		0.040 (P)*	Reverse Osmosis (20%-90%) Ultrapurification for precursor removal prior to chlorination	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.

Primary (Health-Related) Disinfectants ByProducts - by Nelsen Corporation