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  1. Diquat

    https://ohiowatersheds.osu.edu/node/1558

    GENERAL INFORMATION Diquat is an organic solid of colorless or yellow crystals. A water solution is dark red-brown. Diquat is a herbicide that has been used extensively in the United States since the late 1950s to control both crop and aquatic weeds. It i ...

  2. Dinoseb

    https://ohiowatersheds.osu.edu/node/1557

    GENERAL INFORMATION Dinoseb is an organic solid-- yellowish crystals with a pungent odor. Its greatest use is as a contact herbicide for post-emergence weed control in cereals, undersown cereals, seedling lucerne and peas. Dinoseb is also used as a corn e ...

  3. Dibromochloropropane

    https://ohiowatersheds.osu.edu/node/1556

    GENERAL INFORMATION 1,2-Dibromo-3-chloropropane, or DBCP, is a dense yellow organic liquid with a pungent odor. It is used primarily as an unclassified nematocide for soil fumigation of cucumbers, summer squash, cabbage, cauliflower, carrots, snap beans, ...

  4. Dalapon

    https://ohiowatersheds.osu.edu/node/1553

    GENERAL INFORMATION Dalapon is a colorless liquid with an acrid odor sold as sodium or magnesium salt. Dalapon is an herbicide used to control grasses in a wide variety of crops, including fruit trees, beans, coffee, corn, cotton and peas. It is also regi ...

  5. Chlordane

    https://ohiowatersheds.osu.edu/node/1552

    GENERAL INFORMATION Chlordane, a synthetic organic chemical, is a viscous liquid, colorless to amber, with a slight chlorine-like aromatic odor. Chlordane was used in the past to kill a variety of insects. The only commercial use of chlordane products sti ...

  6. Carbofuran

    https://ohiowatersheds.osu.edu/node/1551

    GENERAL INFORMATION Carbofuran is a white crystalline solid with a slightly phenolic odor. Carbofuran is a broad spectrum insecticide that is sprayed directly onto soil and plants just after emergence to control beetles, nematodes and rootworm. The greate ...

  7. Total Kjeldahl Nitrogen (as N)

    https://ohiowatersheds.osu.edu/node/1539

    GENERAL INFORMATION Total Kjeldahl Nitrogen or TKN is defined as total organic nitrogen and ammonia nitrogen.  Nitrogen occurs in wastewater and ground water in several forms, including inorganic forms like nitrate (NO 3), nitrite (NO 2), and ammonia (NH ...

  8. 2,4-D (2,4-Dichlorophenoxyacetic Acid)

    https://ohiowatersheds.osu.edu/node/1546

    GENERAL INFORMATION 2,4-D is a colorless, odorless powder. 2,4-D is used as a herbicide for the control of broad-leaf weeds in agriculture, and for control of woody plants along roadsides, railways, and utilities rights of way. The major source of 2,4-D i ...

  9. 2,4,5-TP (Silvex)

    https://ohiowatersheds.osu.edu/node/1547

    GENERAL INFORMATION 2,4,5-TP is a white organic powder with little odor. Until Silvex was banned in 1985, the greatest use of 2,4,5-TP was as a post emergence herbicide for control of woody plants and broadleaf herbaceous weeds in rice and bluegrass turf, ...

  10. Nitrite (as N)

    https://ohiowatersheds.osu.edu/node/1537

    HEALTH ADVISORY Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue baby syndrome. 1.00 ppm mg/L ppm Nutrient MCL ...

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