{"data":{"id":"us/40-cfr-52.794","jurisdiction":"us","citation":"40 CFR 52.794","heading":"Source surveillance.","body":"(a) The requirements of 51.212 of this chapter are not met by the phrase “for more than a cumulative total of 15 minutes in a 24-hour period” contained in section 1 of APC-3 of the Indiana Air Pollution Control Regulations.\n(b) [Reserved]\n(c) 325 IAC 5-1 (October 6, 1980, submittal—§ 52.770(c)(53)) is disapproved for the Lake County sources specifically listed in Table 2 of 325 IAC 6-1-10.2 (§ 52.770(c)(57)); for pushing and quenching sources throughout the State (August 27, 1981, 325 IAC 11-3-2 (g) and (h)—§ 52.770(c)(42)); and for coke oven doors in Lake and Marion Counties (325 IAC 11-3-2(f)—§ 52.770(c)(42)). Applicability of this regulation to these sources is being disapproved because 325 IAC 5-1 does not meet the enforceability requirements of § 51.22 as it applies to these sources. Opacity limits in 325 IAC 6-1-10.2 and certain opacity limits in 325 IAC 11-3 supersede those in 325 IAC 5-1, and USEPA has previously disapproved these superseding regulations (§ 52.776 (j), (g), and (f), respectively).","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS","Subpart P—Indiana"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"abbe72313203bc183a8a9c9c38e14927cfc13d0caccf6d62d5bc349d8c0d5c89","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-52.793","next":"us/40-cfr-52.795"},"notice":"GroundRules: Original legal text. Not legal advice."}