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  2. List of Outstanding Florida Waters - Wikipedia

    en.wikipedia.org/wiki/List_of_Outstanding...

    The Outstanding Florida Water designation has been applied to all bodies of water in national parks, national wildlife refuges, national seashores, national preserves, national marine sanctuaries and estuarine research reserves, state parks and recreation areas, state preserves and reserves, state ornamental gardens and botanical sites ...

  3. Analysis of water chemistry - Wikipedia

    en.wikipedia.org/wiki/Analysis_of_water_chemistry

    An EPA scientist samples water in Florida Everglades. Samples of water from the natural environment are routinely taken and analyzed as part of a pre-determined monitoring program by regulatory authorities to ensure that waters remain unpolluted, or if polluted, that the levels of pollution are not increasing or are falling in line with an agreed remediation plan.

  4. dGH - Wikipedia

    en.wikipedia.org/wiki/DGH

    In water testing hardness is often measured in parts per million (ppm), where one part per million is defined as one milligram of calcium carbonate (CaCO 3) per litre of water. Consequently, 1 dGH corresponds to 10 ppm CaO but 17.848 ppm CaCO 3 which has a molar mass of 100.09 g/mol.

  5. Water testing - Wikipedia

    en.wikipedia.org/wiki/Water_testing

    Water testing being conducted at a treatment facility in Broken Bow, Oklahoma. Water testing is a broad description for various procedures used to analyze water quality. Millions of water quality tests are carried out daily to fulfill regulatory requirements and to maintain safety. [1] Testing may be performed to evaluate:

  6. EPA: Florida must change water quality standards to protect ...

    www.aol.com/news/epa-florida-must-change-water...

    The U.S. EPA has determined that Florida’s antiquated water quality standards do not go far enough in protecting citizens from toxic pollutants. EPA: Florida must change water quality standards ...

  7. Hard water - Wikipedia

    en.wikipedia.org/wiki/Hard_water

    A bathtub faucet with built-up calcification from hard water in Southern Arizona. Hard water is water that has a high mineral content (in contrast with "soft water"). Hard water is formed when water percolates through deposits of limestone, chalk or gypsum, [1] which are largely made up of calcium and magnesium carbonates, bicarbonates and sulfates.

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