1. Regulations
  2. title 40
  3. chapter I-i27
  4. part 265
  5. subpart FF
  6. appendix AppendixIII

Appendix III - Appendix III to Part 265—EPA Interim Primary Drinking Water Standards

Parameter Maximum level (mg/l) Arsenic0.05 Barium1.0 Cadmium0.01 Chromium0.05 Fluoride1.4-2.4 Lead0.05 Mercury0.002 Nitrate (as N)10 Selenium0.01 Silver0.05 Endrin0.0002 Lindane0.004 Methoxychlor0.1 Toxaphene0.005 2,4-D0.1 2,4,5-TP Silver0.01 Radium5 pCi/1 Gross Alpha15 pCi/1 Gross Beta4 millirem/yr Turbidity1/TU Coliform Bacteria1/100 ml

[Comment: Turbidity is applicable only to surface water supplies.]

SOURCE: 45 FR 33232, May 19, 1980, unless otherwise noted.