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Health Effectsl of Selected Drinking Water Contaminants
CONTAMINANT PROBABLE HEALTH EFFECTS
Arsenic Malignant tumors of skin and lungs, cramps, spasms, effects to nervous system

Barium Prolonged stimulant action on muscles, nerve block

Benzene Associated with cancer, leukemia, anemia

Cadmium Bronchitis, anemia, gastrointestinal upsets, cancer in rats

Carbon tetrachloride Central nervous system depression, gastrointestinal effects, liver and kidney damage, coma, death

Chlordane Carcinogen, liver and kidney damage

Chlorobenzene Irritation to respiratory system, central nervous system depression

Chloroform Possible liver, kidney and heart effects; carcinogenic in at least one animal species

Chromium Kidney damage, cancer

Copper Gastrointestinal tract irritant, possible infant fatality, Wilson's disease

Dichlorobenzene(s) Suspected carcinogen

1,1-Dichloroethane Central nervous system depression, liver damage, suggested animal carcinogen

1,2-Dichloroethane Nausea, mental confusion, liver and kidney damage

Dichloroethylene Nausea, dizziness

Ethylenedibromide (EDS) Decreased fertility

Fluoride Skeletal damage when present in high levels

Heptachlor Possible tumor induction, carcinogenic in test animals

Lead Damage to nervous system, kidneys, reproductive system; cancer in rats

Lindane Chronic liver damage, anemia, leukemia

Mercury Kidney impairment, possible death

Methylene chloride* Toxic

Nickel Signs of hyperglycemia and gastrointestinal and nervous disorders

Pentachlorophenol (PCP) Loss of appetite, respiratory difficulties,

anesthesia, coma, death

PCBs Damage to skin and liver; nausea, loss of weight, jaundice, coma, death

Selenium Carcinogen; irritation to mucous membranes, dermatitis

Sulfate Laxative action

Tetrachloroethylene Central nervous system effects; confirmed animal carcinogen, anesthesia, death

Toluene Narcosis, irritation to eyes and respiratory system

Toxaphene Possible liver damage

1,1,1-Trichloroethane Narcosis, depression of central nervous system, unconsciousness, death

1,1,2-Trichloroethane Possible liver and kidney effects, possible carcinogen in animals

Trichloroethylene Central nervous system depression, loss of coordination, unconsciousness; strong irritant and carcinogen

2,4,6-Trichlorophenol Suspected carcinogen

Trihalomethanes (THMs) Effects to nervous system and muscles, loss of consciousness

Vinyl chloride Central nervous system depression, dulling of visual and auditory responses, possible death

Xylene Mucous membrane irritant, lung congestion, impairment of kidney functions

Zinc Muscular stiffness and pain, loss of appetite, nausea

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