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  1. Carbon tetrachloride

    https://ohiowatersheds.osu.edu/node/1578

    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. ...

  2. Total organic carbon (TOC)

    https://ohiowatersheds.osu.edu/node/1540

    GENERAL INFORMATION Total organic carbon (TOC) is used as a measure of water quality. TOC in source water comes from decaying natural organic matter (NOM) as well as synthetic sources.  Humic acids, fulvic acids and urea are examples of NOM.  Detergents, ...

  3. Phosphorous

    https://ohiowatersheds.osu.edu/node/1538

    GENERAL INFORMATION Phosphorus is commonly found in soil, rocks and plants.  Phosphorus is an important fertilizer, but is also present in human and animal wastes, in sludges and in detergents. Phosphorus is relatively immobile in soil and will not reach ...

  4. Ammonia

    https://ohiowatersheds.osu.edu/node/1534

    GENERAL INFORMATION Ammonia is rarely found in unpolluted surface water, but is common at low levels in well water.  Water contaminated with sewage, animal wastes or fertilizer runoff may contain elevated levels of ammonia.  Ammonia is very soluble in wat ...

  5. Chloride

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

    GENERAL INFORMATION As ground water moves through bedrock or sand and gravel geologic deposits in the subsurface, it will dissolve different minerals and constituents including chloride. Chloride occurs naturally in ground water as a component of deposite ...

  6. Magnesium

    https://ohiowatersheds.osu.edu/node/1501

    GENERAL INFORMATION Magnesium does not pose a health risk to humans. In fact, calcium and magnesium in your drinking water can help ensure you get the average daily requirements for these minerals in your diet. AESTHETIC ADVISORY Calcium and magnesium are ...

  7. Calcium

    https://ohiowatersheds.osu.edu/node/1498

    GENERAL INFORMATION Calcium does not pose a health risk to humans. In fact, calcium and magnesium in your drinking water can help ensure you get the average daily requirements for these minerals in your diet. AESTHETIC ADVISORY Calcium and magnesium are c ...

  8. Benzene

    https://ohiowatersheds.osu.edu/node/1577

    GENERAL INFORMATION Benzene, a volatile organic chemical, is a clear, colorless aromatic liquid. It is highly flammable. It is formed through natural processes, such as volcanoes and forest fires. It is also formed from industrial processes. Benzene is al ...

  9. Ethylbenzene

    https://ohiowatersheds.osu.edu/node/1588

    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 us ...

  10. Xylenes

    https://ohiowatersheds.osu.edu/node/1598

    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 co ...

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