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  1. Chloride

    https://ohiowatersheds.osu.edu/node/1499

    GENERAL INFORMATION As ground water moves through bedrock or sand and gravel geologic deposits in ... occurs naturally in ground water as a component of deposited salts in geologic formations. The levels of ... chloride may vary in water wells depending on the type of rock the ground water moves through and how long ...

  2. 1,1,1-Trichloroethane

    https://ohiowatersheds.osu.edu/node/1592

    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 ... well in excess of the maximum contaminant level (MCL) for many years could experience problems with ...

  3. PCBs (Polychlorinated biphenyls- aka Aroclor, Arochlor)

    https://ohiowatersheds.osu.edu/node/1572

    odorless or mildly aromatic solids or oily liquids. Polychlorinated biphenyls were formerly used in the ... agents, pesticide extenders, inks, lubricants, cutting oils, in heat transfer systems, carbonless ... reproducing paper. The major sources of polychlorinated biphenyls in drinking water are runoff from landfills; ...

  4. Thallium

    https://ohiowatersheds.osu.edu/node/1526

    GENERAL INFORMATION Thallium is a metal found in natural deposits such as ores containing other ... elements. The major sources of thallium in drinking water are leaching from ore-processing sites; and ... thallium well in excess of the maximum contaminant level (MCL) for many years could experience hair loss, ...

  5. Chlorobenzene

    https://ohiowatersheds.osu.edu/node/1579

    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 ...

  6. Epichlorohydrin

    https://ohiowatersheds.osu.edu/node/1562

    some of which are used as coagulant aids in water treatment. It is also used in the paper and drug ... a small amount of epichlorohydrin may remain in the coagulant aids as an impurity. When these coagulant ... aids are used in water treatment, there is a potential for residual epichlorohydrin to be introduced in ...

  7. Nitrate (as N)

    https://ohiowatersheds.osu.edu/node/1536

    GENERAL INFORMATION Nitrates (NO 3) in drinking water usually originates from fertilizers or from ... animal or human wastes. Nitrate concentrations in water tend to be highest in areas of intensive ... months who drink water containing nitrate in excess of the MCL could become seriously ill and, if ...

  8. Total Coliform Bacteria

    https://ohiowatersheds.osu.edu/node/1529

    GENERAL INFORMATION Coliforms are bacteria that are naturally present in the environment and are ... coliform and E. coli in a water sample is a good indicator that a disinfection system is functioning ... levels were present in your water sample. Naturally present in the environment TREATMENT OPTIONS ...

  9. Vinyl Chloride

    https://ohiowatersheds.osu.edu/node/1597

    used in the manufacture of numerous products in building construction, automotive industry, electrical ... depended upon heavily by the rubber, paper, and glass industries. The major sources of vinyl chloride in ... HEALTH EFFECTS Some people who drink water containing vinyl chloride well in excess of the maximum ...

  10. Styrene

    https://ohiowatersheds.osu.edu/node/1589

    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. ...

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