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  1. Nitrates in Drinking Water

    are found. Illinois has adopted a drinking water standard for nitrate of 10 milligrams per liter (10 mg/L) ... supplies. The U.S. Environmental Protection Agency also uses 10 mg/L as N as a mandatory national standard ... for public supplies under the Safe Drinking Water Act. The 10 mg/L standard expressed as nitrogen (N) ...

  2. Bored Wells

    filtered through 10 feet of normal soil. Therefore, the well must be constructed to ensure that the top 10 ... not accumulate within a 15-foot radius of the well. A well should be at least 10 feet from sewers and 50 feet ... of 10 feet or more below ground surface and be firmly imbedded in a uniformly tapered hole ...

  3. Drilled Wells

    filtered through 10 feet of normal soil. Therefore, the well must be constructed to ensure that the top 10 ... be at least 10 feet from sewers and 50 feet from septic tanks, or 75 feet from sewage seepage fields. Proper ... (gallons/ft) 3 0.37 4 0.65 5 1.0 6 1.5 8 2.6 10 4.1 12 6.0 Each 100 gallons of water in the well requires ...

  4. Protect your Teeth With Dental Sealant

    starting in the back teeth, where 9 in 10 cavities occur. How are sealants applied? First the teeth ...

  5. Vinyl Chloride in Groundwater

    (approximately 10,000,000 ppb) can make you feel dizzy or sleepy. Recovery is usually quick if exposure ... lifetime cancer risk of one in 10,000. How can I reduce my exposure to vinyl chloride? You should avoid ...

  6. Well Sampling for Coliform & Nitrate

    Nitrates A new water supply should be tested for nitrates. Levels above 10 milligrams per liter (mg/l) ... is less than 10 mg/l as nitrogen, the water supply may be considered safe for drinking based on those ...

  7. Tobacco Facts

    to smoking cigarettes as it can be just as or even more dangerous. The risk of developing lung cancer is 10 ...

  8. Commonly Found Substances in Drinking Water and Available Treatment

    in drinking water of 1.0 mg/l. The following levels of iron (Fe) are expressed in mg/l: Fe in mg/l Level 0- ... 0.3 Acceptable 0.3- 1.0 Satisfactory (however, may cause staining and objectionable taste) Over 1.0 ... Option 2 Zeolite softening can remove up to 10 mg/l of dissolved iron. If the iron is exposed to air ...

  9. Fluoride to Prevent Tooth Decay

    fluoridation one of 10 great public health achievements of the 20th century. You can also get fluoride through ...

  10. Diabetes and Your Oral Health

    cases of diabetes. Type I accounts for approximately 5% to10%. In the last 20 years, the number ...

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