|
The
chart shows partial contaminants regulated for public water systems by the
Safe Drinking Water Act, and the maximum contaminant levels, source, health
effects and treatment options for each. |
|
Organic |
MCL |
Source/Industrial occurrence |
Health effect |
Treatment |
| Chlorobenzene |
0.1 |
| Used as a solvent for
paint and metal manufacturing. Also used in insecticides. |
|
| Affects nervous system,
kidneys and liver. |
|
Activated carbon |
| CIS-1,2 Dichloroethylene
|
0.07 |
| Used as an industrial
solvent in the manufacturing of dyes, perfumes and lacquers. |
|
| Affects liver, and a
nervous and circulatory systems. Probable cause of cancer. |
|
Activated carbon |
| Dibromochloropropane |
0.0002 |
| Soil fumigant on soybeans, and cotton. Canceled in
1997 |
|
|
Activated carbon |
| Dichloromethance |
0.005 |
| Paint stripper, metal degrease, propellant. |
|
|
Aeration |
| Dioxin |
0.00000003 |
| Chemical production by-product; impurity in
herbicides. |
|
| Affects lungs, liver and kidney. Probable cause of
cancer. |
|
Activated carbon |
| Epichlorohydrin |
0 |
Used in epoxy resins and coating and in
flocculants used in treatment. |
| Affect nervous system, kidney and liver. |
|
Activated carbon |
| Ethlbenzene |
0.7 |
Used in the manufacturer of gasoline,
insecticides and asphalt. |
Probable cause of cancer. |
Activated carbon |
| Ethylene Dibromide |
0.00005 |
Used as a gasoline additive and soil fumigant. |
Affects nervous system, kidney and liver. |
Activated carbon |
| Monochlorobenzene |
0.01 |
Used in manufacture of pesticides and as a metal
cleaner and industrial solvent. |
Cancer |
Activated carbon |
| PAHs |
0.0002 |
Coal tar coating, burnings organic matter,
volcanoes, fossil fuels. |
Cancer |
Activated carbon |
| Phthalate
(di(2-ethylhexyl)) |
0.006 |
PVC and other plastics. |
Affects skin and liver. Causes nausea. Probable
cause of cancer. |
Activated carbon |
| Polychlorinated
Biophenyts (PCBs) |
0.0005 |
Used in electrical transformers, |
Affect nervous system, kidneys and liver. |
Activated carbon |
| Styrene |
0.01 |
Used in manufacturing plastic, resins and foams. |
Affects nervous system. Probable cause of cancer
and anesthesia. |
Activated carbon |
| Tetrachloroethylene |
0.005 |
Used in dry cleaning and as a degreasing agent
for metals. Also used for manufacturing rubber, waxes, paints and inks. |
Affects nervous system, liver and kidneys.
Causes narcosis. Irritant to respiratory system. |
Activated carbon |
| Toluene |
1 |
Used in gasoline, paint thinners, lacquers and
adhesives. |
Cancer |
Activated carbon, ozonation |
| Total Trihalomethanes
|
| (THMs): |
| Chloroform |
| Bromoform |
| Bromodichloromethane |
| Dibromochloromethane |
|
0.01 |
Formed when water containing organic matter is
treated with chlorine. |
Affects nervous system and muscles. Probable
cause of cancer. |
Activated carbon, aeration, ultra filtration (20-90%), RO
(20-90%) |
| 1,1 Dichloroethylene |
0.007 |
Used in manufacturing dyes, plastic, perfumes,
paints and adhesives |
Affects kidneys and liver and can cause nausea. |
Activated carbon |
| 1,1,2-Trichloroethane |
0.005 |
Solvent in rubber products, chemical production
waste. |
Kidney, liver, nervous system damage |
Activated carbon, aeration |
| 1,1,1-Trichloroethane |
0.02 |
Used in manufacturing of pesticides, plastic and
metals. |
Affects nervous system. Causes narcosis and
probably cancer. |
Activated carbon |
| 1,2 Dichlorobenzene |
0.6 |
Used in the manufacturing of fumigants,
insecticides, waxes, resins, rubber and asphalt. |
Affects lungs, liver and kidneys. |
Activated carbon |
| 1,2 Dichloroethane |
0.005 |
Used in the manufacturing of gasoline, paint,
varnish, metal degreasers and insecticide fumigants. |
Damage kidney and
liver can cause nausea. |
Activated carbon |
| 1,2 Dichloropropane |
0.005 |
Used in insecticide fumigants, dry cleaning
fluids and in manufacturing of resins, waxes and petroleum products |
Affects lungs,
liver and kidneys. |
Activated carbon |
| 1,2,4-Trichlorobenzene |
0.07 |
Herbicide production; dye carrier. |
Liver, kidney
damage |
Activated carbon, aeration |
| 1,4 Dichlorobenzene |
0.075 |
Used in moth repellent, germicides, pesticides
and soil fumigants. |
Affects nervous
system, liver and kidneys. Probable cause of cancer. |
Activated carbon |
| Acrytamide |
0 |
Flocculants used in sewage and wastewater
treatment. |
Affect nervous
system, probable cause of cancer. |
Activated carbon |
| Adipates |
0.4 |
Synthetic rubber, food packaging, cosmetics. |
Decreased body
weight; liver and testes damage. |
Activated carbon, aeration |
| Benzene |
0.005 |
Used in fuels and as a solvent in manufacturing
pharmaceuticals, plastics, pesticides and paints. Often traced to leaking
underground storage tanks. |
Leukemia, anemia
and possibly cancer. |
Activated carbon |
| Trans-1,2
Dichloroethylene |
0.1 |
Used as an industrial solvent in the
manufacturing of dyes, perfumes, lacquers and rubber. |
Affects liver, and
nervous and circulatory systems. |
Activated carbon, ozonation
with UV irradiation. |
| Trichloroethylene |
0.1 |
Used in dry cleaning and as a degreasing agent.
Also used for manufacturing rubber, paints, adhesives, resins, oils and
fumigants. |
Irritates body
tissue. Affects nervous system. Probable cause of cancer. |
Activated carbon |
| Vinyl Chloride |
0.005 |
Used as a plastic adhesive and refrigerant. The
main component of PVC pipe |
Affects nervous
system. Probable cause of cancer. |
Activated carbon |
| Xyienes |
0.002 |
Used in manufacturing paint, ink, petroleum and
detergents. |
Affects nervous system, kidneys, lungs, liver
and mucous membranes. |
Activated carbon |
|
Pesticides |
| Aldicarb |
| Aldicarb Sulfone |
| Aldicarb Sulfoxide |
| Carboturan |
|
|
Agricultural insecticide |
Affects nervous system, respiratory system,
kidneys and liver. Probable cause of cancer. |
Activated carbon |
| Chlordane |
0.04 |
Used on rodents, insects, birds. Restricted
since 1980. |
Affects nervous system, respiratory system,
kidneys and liver. Probable cause of cancer. |
Activated carbon |
| Endrin |
0.0002 |
Agricultural insecticide. |
Liver, kidneys,
heart damage. |
Activated carbon |
| Heptachlor |
0.0004 |
Agricultural insecticide. Converts to expoxide
by soil and water organisms |
Affects nervous system, respiratory system,
kidneys and liver. Probable cause of cancer. |
Activated carbon |
| Heptachlor Expoxide |
0.0002 |
Pesticide production by-product. |
Affects nervous system, respiratory system,
kidneys and liver. Probable cause of cancer. |
Activated carbon |
| Hexachlorobenzene |
0.001 |
Pesticide production by-product. |
Cancer |
Activated carbon |
| Hexachlorocyclopentadiene |
0.05 |
Agricultural insecticide. |
Cancer |
Activated carbon, aeration |
| Lindane |
0.0002 |
Agricultural insecticide. |
Affects nervous system, respiratory system,
kidneys and liver. Probable cause of cancer. |
Activated carbon |
| Methoxychlor |
0.04 |
Insecticide used on apples, potatoes, tomatoes. |
Affects nervous system, respiratory system,
kidneys and liver. Probable cause of cancer. |
Activated carbon |
| Oxamyl |
|
Agricultural insecticide. |
Kidney damage. |
Activated carbon |
|
Herbicides |
| 2,4-D |
| 2,4,5-TP (silvex) |
| Alachlor |
| Alrazine |
|
|
Agricultural herbicides |
Affect nervous and
reproductive system, respiratory system, kidneys, liver and heart. Causes
anesthesia. Probable cause of cancer. |
Activated carbon |
| Dalapon |
0.2 |
Herbicide used on orchards, beans, coffee, lawn,
roads and railway. |
Liver, kidney
damage. |
Activated carbon |
| Dinoseb |
0.007 |
Runoff of herbicide from crop and non crop
applications. |
Thyroid,
reproduction organ damage. |
Activated carbon |
| Diquat |
0.02 |
Runoff of herbicide on land and aquatic weeds. |
Liver, kidneys,
eye effects. |
Activated carbon |
| Endothall |
0.01 |
Used on crops, land and aquatic weeds. |
Liver, kidney and
gastrointestinal damage. |
Activated carbon |
| Glyphosphate |
0.7 |
Used on grass, weeds, brush |
Liver, kidney
damage |
Activated carbon |
| Pentachlorophenol |
0.001 |
Agricultural herbicide and wood preservative. |
Affects nervous
and reproductive system, respiratory system, kidneys, liver and heart.
Causes anesthesia. Probable cause of cancer. |
Activated carbon |
| Picloram |
0.5 |
Used on broadleaf and woody plants. |
Kidney, liver
damage. |
Activated carbon |
| Simazine |
0.004 |
Used on grass sod, some crop, aquatic algae. |
Cancer. |
Activated carbon |
|
The contaminants or
other substances removed or reduced by this unit are not necessarily
in your water. Source: Water Technology,
Directory Issue / 1995 |
