Section 327IAC8-2-34. Maximum contaminant level goals; inorganic contaminants

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MCLGs for the following contaminants are as indicated:

Contaminant	MCLG in Milligrams per Liter
Fluoride	4.0
Asbestos	7 million fibers per liter (longer than 10 micrometers)
Barium	2
Cadmium	0.005
Chromium	0.1
Copper	1.3
Lead	0
Mercury	0.002
Nitrate	10 (as nitrogen)
Nitrite	1 (as nitrogen)
Total nitrate + nitrite	10 (as nitrogen)
Selenium	0.05
Antimony	0.006
Arsenic	0¹
Beryllium	0.004
Cyanide (as free cyanide)	0.2
Nickel	0.1
Thallium	0.0005

¹This value for arsenic is effective January 1, 2006. Until then, there is no MCLG.

(Water Pollution Control Division; 327 IAC 8-2-34; filed Aug 24, 1994, 8:15 a.m.: 18 IR 67; filed Jun 13, 2005, 2:30 p.m.: 28 IR 3218)

                    
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