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Here is a list of USEPA published Maximum Contamination Levels for their regulated elements, and chemicals.

http://www.epa.gov/safewater/contaminants/index.html#listmcl

You could use it as a rough standard. Malaysia may have more stringent standards.

2007-04-04 15:35:31 · answer #1 · answered by Christmas Light Guy 7 · 0 0

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