VOC

  • GENERAL INFORMATION Trihalomethane occur when naturally-occurring organic and inorganic materials in the water react with the disinfectants, chlorine and chloramine. HEALTH EFFECTS Some people who drink water containing total trihalomethanes in excess of the MCL over many years could experience liver, kidney, or central nervous system problems and increased risk of cancer.
  • GENERAL INFORMATION A xylene is any of a group of very similar organic compounds. They are clear liquids with a sweet odor. The greatest use of xylenes is as a solvent which is much safer than benzene. Other uses include: in gasoline as part of the BTX component (benzene-toluene-xylene); Xylene mixtures are used to make phthalate plasticizers, polyester fiber, film and fabricated items. The major sources of xylenes in drinking water are discharge from petroleum factories; and discharge from chemical factories.
  • GENERAL INFORMATION 1,2,4-Trichlorobenzene is an aromatic, colorless organic liquid. The greatest use of 1,2,4-trichlorobenzene is primarily as a dye carriet. It is also used to make herbicides and other organic chemicals; as a solvent; in wood preservatives; in abrasives. It was once used as a soil treatment for termite control. The major source of 1,2,4-trichlorobenzene in drinking water is discharge from textile finishing factories.
  • GENERAL INFORMATION Ethylbenzene is a colorless organic liquid with a sweet, gasoline-like odor. The greatest use — more than 99 percent — of ethylbenzene is to make styrene, another organic liquid used as a building block for many plastics. It is also used as a solvent for coatings, and in the making of rubber and plastic wrap. The major source of ethylbenzene in drinking water is discharge from petroleum refineries.
  • GENERAL INFORMATION 1,1,1-Trichloroethane is an organic liquid with a chloroform-like odor. It is largely used as a solvent removing grease from machined metal products, in textile processing and dyeing and in aerosols. The major source of 1,1,1-trichloroethane in drinking water is discharge from metal degreasing and other factories.
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  • GENERAL INFORMATION Carbon tetrachloride is a clear heavy organic liquid with a sweet aromatic odor similar to chloroform. Most carbon tetrachloride is used to make chlorofluorocarbon propellants and refrigerants, though this has been declining steadily. It has also been used as a dry cleaning agent and fire extinguisher; in making nylons; as a solvent for rubber cement, soaps, insecticides, etc. The major sources of carbon tetrochloride in drinking water are discharge from chemical plants and other industrial activities.
  • GENERAL INFORMATION Vinyl chloride is a colorless organic gas with a sweet odor. Vinyl chloride is used in the manufacture of numerous products in building construction, automotive industry, electrical wire insulation and cables, piping, industrial and household equipment, medical supplies, and is depended upon heavily by the rubber, paper, and glass industries. The major sources of vinyl chloride in drinking water are leaching from polyvinyl chloride (PVC) piping; and discharge from plastics factories.
  • GENERAL INFORMATION Chlorobenzene is a colorless organic liquid with a faint, almond-like odor. Chlorobenzene is used in the manufacture of other organic chemicals, dyestuffs and insecticides. It is also used a solvent for adhesives, drugs, rubber, paints and dry cleaning, and as a fiber-swelling agents in textile processing. The major source of chlorobenzene in drinking water is discharge from chemical and agricultural chemical factories.
  • GENERAL INFORMATION Toluene is an organic liquid with a sweet, benzene-like odor. The largest chemical use for toluene is to make benzene and urethane. The major source of toluene in drinking water is discharge from petroleum factories. HEALTH EFFECTS Some people who drink water containing toluene well in excess of the maximum contaminant level (MCL) for many years could experience problems with their nervous system, kidneys or liver.
  • GENERAL INFORMATION ortho-Dichlorobenzene is a colorless organic liquid with a pleasant, aromatic odor. The greatest use of o-dichlorobenzene is as a chemical intermediate for making agricultural chemicals, primarily herbicides. Other present and past uses include: solvent for waxes, gums, resins, wood preservatives, paints; insecticide for termites and borers; in making dyes; as a coolant, deodorizer, degreaser. The major source of o-dichlorobenzene in drinking water is discharge from industrial chemical factories.
  • GENERAL INFORMATION para-Dichlorobenzene is an organic solid of white crystals with a mothball-like odor. p-Dichlorobenzene is used mainly as an insecticidal fumigant against clothes moths and as a deodorant for garbage and restrooms. It is also used as an insecticide and fungicide on crops, and in the manufacture of other organic chemicals and in plastics, dyes, and pharmaceuticals. The major source of p-dichlorobenzene in drinking water is discharge from industrial chemical factories.
  • GENERAL INFORMATION 1,2-Dichloroethane is a colorless, oily, organic liquid with a sweet, chloroform-like odor. The greatest use of 1,2-dichloroethane is in making chemicals involved in plastics, rubber and synthetic textile fibers. Other uses include: as a solvent for resins and fats, photography, photocopying, cosmetics, drugs, and as a fumigant for grains and orchards. The major source of 1,2-dichloroethane in drinking water is discharge from industrial chemical factories.
  • GENERAL INFORMATION Trichloroethylene, a volatile organic chemical, is a colorless or blue liquid with a chloroform-like odor. Trichloroethylene is primarily used to remove grease from fabricated metal parts and in the production of some textiles. The major source of trichloroethylene in drinking water is discharge from metal degreasing sites and other factories. Wastewater from metal finishing, paint and ink formulation, electrical components, and rubber processing industries may also contain trichloroethylene.
  • GENERAL INFORMATION 1,1-Dichloroethylene is an organic liquid with a mild, sweet, chloroform-like odor. Virtually all 1,1-dichloroethylene is used in making adhesives, synthetic fibers, refrigerants, food packaging and coating resins such as the saran types. The major source of 1,1-dichloroethylene in drinking water is discharge from industrial chemical factories.
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  • GENERAL INFORMATION cis-1,2-Dichloroethylene is an odorless organic liquid that has two slightly different forms, a "cis" form and a "trans" form. Both the cis and trans forms — usually as a mixture — are used as a solvent for waxes and resins; in the extraction of rubber; as a refrigerant; in the manufacture of pharmaceuticals and artificial pearls; in the extraction of oils and fats from fish and meat; and in making other organics. The major source of cis-1,2-dichloroethylene in drinking water is discharge from industrial chemical factories.
  • GENERAL INFORMATION trans-1,2-Dichloroethylene is an odorless organic liquid that has two slightly different forms, a "cis" form and a "trans" form. Both the cis and trans forms -- usually as a mixture -- are used as a solvent for waxes and resins; in the extraction of rubber; as a refrigerant; in the manufacture of pharmaceuticals and artificial pearls; in the extraction of oils and fats from fish and meat; and in making other organics. The major source of trans-1,2-dichloroethylene in drinking water is discharge from industrial chemical factories.
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  • GENERAL INFORMATION Styrene is an oily organic liquid with an aromatic, almost floral odor. Initially, styrene was used primarily in the synthetic rubber industry, but it is currently used as a building block for polymers in making plastics, resins, coatings, and paints. The major sources of styrene in drinking water are discharge from rubber and plastic factories; and leaching from landfills.
  • GENERAL INFORMATION Tetrachloroethylene is a colorless organic liquid with a mild, chloroform-like odor. The greatest use of tetrachloroethylene is in the textile industry, and as a component of aerosol dry-cleaning products. The major source of tetrachloroethylene in drinking water is discharge from factories and dry cleaners.