Sec. 26.13.05.22. EPA Interim Primary Drinking Water Standards

Latest version.

Parameter	Maximum Level (milligrams/liter)
Arsenic	0.05
Barium	1.0
Cadmium	0.01
Chromium	0.05
Fluoride	1.4 - 2.4
Lead	0.05
Mercury	0.002
Nitrate (as N)	10
Selenium	0.01
Silver	0.05
Endrin	0.0002
Lindane	0.004
Methoxychlor	0.1
Toxaphene	0.005
2,4-D	0.1
2,4,5-TP Silvex	0.01 Maximum Level
Radium	5 pCi/liter
Gross Alpha	15 pCi/liter
Gross Beta	4 millirem/yr
Turbidity	1/TU
Coliform Bacteria	1/100 milliliter

(Comment: Turbidity is applicable only to surface water supplies.)

                    
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