40 CFR 141.51 - Maximum contaminant level goals for inorganic contaminants.
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§ 141.51 Maximum contaminant level goals for inorganic contaminants.
(b) MCLGs for the following contaminants are as indicated:
|Asbestos||7 Million fibers/liter (longer than 10 µm).|
|Cyanide (as free Cyanide)||.2|
|Nitrate||10 (as Nitrogen).|
|Nitrite||1 (as Nitrogen).|
|Total Nitrate Nitrite||10 (as Nitrogen).|
1 This value for arsenic is effective January 23, 2006. Until then, there is no MCLG.