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The Code of Federal Regulations (CFR) annual edition is the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government produced by the Office of the Federal Register (OFR) and the Government Publishing Office.


Parallel Table of Authorities and Rules for the Code of Federal Regulations and the United States Code
Text | PDF

Find, review, and submit comments on Federal rules that are open for comment and published in the Federal Register using Regulations.gov.

Purchase individual CFR titles from the U.S. Government Online Bookstore.

Find issues of the CFR (including issues prior to 1996) at a local Federal depository library.

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Electronic Code of Federal Regulations

Electronic Code of Federal Regulations

e-CFR data is current as of April 24, 2015

Title Volume Chapter Browse Parts Regulatory Entity
Title 40
Protection of Environment
1 I 1-49ENVIRONMENTAL PROTECTION AGENCY
2 50-51
3 52.01-52.1018
4 52.1019-52.2019
5 52.2020-52.2999
6 53-59
7 60.1-60.5499
8 60 (Appendices)
9 61-62
10 63.1-63.599
11 63.600-63.1199
12 63.1200-63.1439
13 63.1440-63.6175
14 63.6580-63.8830
15 63.8980-63.12099
16 64-71
17 72-80
18 81-84
19 85-86
20 87-95
21 96-99
22 100-135
23 136-149
24 150-189
25 190-259
26 260-265
27 266-299
28 300-399
29 400-424
30 425-699
31 700-789
32 790-799
33 1000-1099
IV 1400-1499ENVIRONMENTAL PROTECTION AGENCY AND DEPARTMENT OF JUSTICE
V 1500-1599COUNCIL ON ENVIRONMENTAL QUALITY
VI 1600-1699CHEMICAL SAFETY AND HAZARD INVESTIGATION BOARD
VII 1700-1799ENVIRONMENTAL PROTECTION AGENCY AND DEPARTMENT OF DEFENSE; UNIFORM NATIONAL DISCHARGE STANDARDS FOR VESSELS OF THE ARMED FORCES
VIII 1800-1899GULF COAST ECOSYSTEM RESTORATION COUNCIL

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