42 USC CHAPTER 85, SUBCHAPTER I, Part D, subpart 4: Front Matter
From Title 42-THE PUBLIC HEALTH AND WELFARECHAPTER 85-AIR POLLUTION PREVENTION AND CONTROLSUBCHAPTER I-PROGRAMS AND ACTIVITIESPart D-Plan Requirements for Nonattainment Areassubpart 4-additional provisions for particulate matter nonattainment areas