Approval and Promulgation of Air Quality Implementation Plans; District of Columbia, Maryland, Virginia; Post 1996 Rate-of-Progress Plans and One-Hour Ozone Attainment Demonstrations; Correction
This document corrects an error and clarifies the preamble language of EPA's conditional approval of the severe ozone nonattainment area State Implementation Plan (SIP) revisions for the Metropolitan Washington severe ozone nonattainment area. This document also corrects several typographical errors in the preamble language of this conditional approval.