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Title 40: Protection of Environment
CHAPTER I: ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
SUBCHAPTER D: WATER PROGRAMS (CONTINUED)
PART 141: NATIONAL PRIMARY DRINKING WATER REGULATIONS
Subpart F: Maximum Contaminant Level Goals and Maximum Residual Disinfectant Level Goals
141.52 - Maximum contaminant level goals for microbiological contaminants.
MCLGs for the following contaminants are as indicated:
| Contaminant | MCLG |
| (1) Giardia lamblia | zero |
| (2) Viruses | zero |
| (3) Legionella | zero |
| (4) Total coliforms (including fecal coliforms and Escherichia coli) | zero. |
| (5) Cryptosporidium | zero. |
[54 FR 27527, 27566, June 29, 1989; 55 FR 25064, June 19, 1990; 63 FR 69515, Dec. 16, 1998]
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