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  2. Maximum contaminant level - Wikipedia

    en.wikipedia.org/wiki/Maximum_Contaminant_Level

    In the last case, EPA is permitted to choose an MCL that balances the cost of treatment with the public health benefits. [4] MCLs require monitoring, remediation, and public notice when standards are exceeded. [2] As of 2019 EPA has issued 88 standards (78 MCLs and 10 Treatment Techniques) for microorganisms, chemicals and radionuclides. [5]

  3. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    See Weight for detail of mass/weight distinction and conversion. Avoirdupois is a system of mass based on a pound of 16 ounces, while Troy weight is the system of mass where 12 troy ounces equals one troy pound.

  4. Drinking water quality standards - Wikipedia

    en.wikipedia.org/wiki/Drinking_water_quality...

    Fluoride 1.5 mg/L; Lead 10 μg/L; Mercury 1.0 μg/L; Nickel 20 μg/L; Nitrate 50 mg/L; Nitrite 0.50 mg/L; Pesticides 0.10 μg/L; Pesticides 0.50 μg/L total; Polycyclic aromatic hydrocarbons 0.10 μg/L sum of concentrations of specified compounds; Selenium 10 μg/L; Tetrachloroethene and trichloroethene 10 μg/L sum of concentrations of ...

  5. Molar concentration - Wikipedia

    en.wikipedia.org/wiki/Molar_concentration

    Molar concentration or molarity is most commonly expressed in units of moles of solute per litre of solution. [2] For use in broader applications, it is defined as amount of substance of solute per unit volume of solution, or per unit volume available to the species, represented by lowercase : [3]

  6. Template:Convert/list of units - Wikipedia

    en.wikipedia.org/wiki/Template:Convert/list_of_units

    {{convert|100|lb|kg}} → 100 pounds (45 kg) The unit-codes should be treated as case-sensitive: {{convert|100|Mm|mm}} → 100 megametres (1.0 × 10 11 mm) The output of {{convert}} can display multiple converted units, if further unit-codes are specified after the second unnamed parameter (without the pipe separator). Typical combination ...

  7. Could bird flu strain the US public health system as seasonal ...

    www.aol.com/could-bird-flu-strain-us-100256645.html

    As seasonal influenza ramps up, and with bird flu continuing to circulate, some public health experts are worried there may be a strain on the public health system. Since the bird flu outbreak ...

  8. Equivalent concentration - Wikipedia

    en.wikipedia.org/wiki/Equivalent_concentration

    Normality is defined as the number of gram or mole equivalents of solute present in one liter of solution.The SI unit of normality is equivalents per liter (Eq/L). = where N is normality, m sol is the mass of solute in grams, EW sol is the equivalent weight of solute, and V soln is the volume of the entire solution in liters.

  9. 49 states are in drought conditions, threatening water ... - AOL

    www.aol.com/49-states-drought-conditions...

    Drought conditions have gripped nearly the entire country, with only one state spared as a bone-dry autumn left most states parched. In November, Kentucky became the 49th state to cross into ...