Physical Quality
Physical quality refers to water quality that mainly affects the aesthetic quality of water; the properties used to perceive water as "clean" or "di ...
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Chemical Quality
Chemical quality refers to the nature and concentration of substances such as salts, metals and organic material that are dissolved into the water ...
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Microbiological Quality
Microbiological quality refers to the presence of organisms that cannot be seen with the naked eye, such as protozoa, bacteria and viruses. Many of ...
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