
40 CFR, Pts. , includes rules, regulations, procedures and administrative procedures associated with Protection of , PROTECTION AGENCY, AIR PROGRAMS, 2019
50
50.1 to 50.19
NATIONAL PRIMARY AND SECONDARY AMBIENT AIR QUALITY STANDARDS
51
51.1 to 51.1319
REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS
Lawyers, law librarians and law students should be familiar with the Code of Federal Regulations. Law libraries and some academic libraries should have a copy of this publication for their patrons. In addition, members of government and policymakers, members of Congress, tax preparers, investment counselors and brokers, social activists, political consultants, media writers and producers, university instructors and professors, political scientists, and taxpayers.
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- CFR Title 40