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1. what might be the rationale that explains why there are so many water quality

ID: 286103 • Letter: 1

Question

1. what might be the rationale that explains why there are so many water quality than air quality standards? 2. The form of the standards is quite different for air and water pollutants. What might be the explanations why quality standards do not involve averaging times? 1. what might be the rationale that explains why there are so many water quality than air quality standards? 2. The form of the standards is quite different for air and water pollutants. What might be the explanations why quality standards do not involve averaging times? 1. what might be the rationale that explains why there are so many water quality than air quality standards? 2. The form of the standards is quite different for air and water pollutants. What might be the explanations why quality standards do not involve averaging times? 2. The form of the standards is quite different for air and water pollutants. What might be the explanations why quality standards do not involve averaging times?

Explanation / Answer

1. We have different organisations for measuring and maintaining the quality of water because the quality of water and the type of pollutants are very different in different countries apart from this water of various countries don't form such an interlinked cycle like air does because due to various forces like coriolis force, convetion current, trade winds etc. the air from one region will interact with other region and hence the quality is air is quite similar so we don't have that many organisations or standards. There is one more thing that leads to an number of water standards that is we can use water for a lot of purposes like drinking, washing, swimmingair mojor use is for breathing and hence we have less amount of standards.

2. For air the standards are particulate matter, flue gases, suphur oxides, nitrogen oxides and ozone while for water it includes a lot of criteria like Acidity, Alkalinity, Colour, Hardness, Heavy Metals, Fluoride, Hydrocarbons, Dissolved & Emulsified etc. We don't involve averaging times for quality standards as we need thier quality to be within the limits every time or else it will cause issues and their value are very varying with time.