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Pesticide Safety Education Program

Ohio State University Extension

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  1. Heptachlor

    https://ohiowatersheds.osu.edu/node/1565

    Heptachlor may be released directly to the soil in connection with its use. It has also been found in treated ...

  2. Chromium

    https://ohiowatersheds.osu.edu/node/1515

    naturally in rocks, plants, soil and volcanic dust, humans and animals. The most common forms of chromium ...

  3. Iron

    https://ohiowatersheds.osu.edu/node/1519

    of the large amount of iron present in the soil, sediment, and bedrock. It is also found in water ...

  4. Radon

    https://ohiowatersheds.osu.edu/node/1545

    also found in small amounts in outdoor air. Most of the radon in indoor air comes from soil underneath ...

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