52.1483—Malfunction regulations.
(a)
The following regulations are disapproved because they would permit the exemption of sources from applicable emission limitations under certain situations and therefore they do not satisfy the enforcement imperatives of section 110 of the Clean Air Act.
(i)
Previously approved on May 14, 1973 and deleted without replacement on August 27, 1981: Section 12 (Upset, Breakdown, or Scheduled Maintenance).