Title 42 of the Code of Federal Regulations

CFR Title 42 - Public Health is one of fifty titles comprising the United States Code of Federal Regulations (CFR). Title 42 is the principal set of rules and regulations issued by federal agencies of the United States regarding public health, including respirator rules and regulations moved from CFR Title 30 (including MSHA), to the Public Health Service (including NIOSH and the CDC).

Structure
The table of contents, as reflected in the e-CFR updated February 19, 2014, is as follows: