part_subject: "STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES"
subpart_code: "E"
subpart_subject: "b—Standards of Performance for Large Municipal Waste Combustors for Which Construction is Commenced After September 20, 1994 or for Which Modification or Reconstruction is Commenced After June 19, 1996"
section_number: "60.55b"
section_subject: "Standards for municipal waste combustor fugitive ash emissions."
cfr_reference: "40 CFR 60.55b"
title_name: "Title 40"
title_subject: "Protection of Environment"
parts_covered: "Part 60 (§§ 60.1 to 60.499)"
revised_date: "Revised as of July 1, 2019"
publication_date: "As of July 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
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(a)On and after the date on which the initial performance test is completed or is required to be completed under § 60.8 of subpart A of this part, no owner or operator of an affected facility shall cause to be discharged to the atmosphere visible emissions of combustion ash from an ash conveying system (including conveyor transfer points) in excess of 5 percent of the observation period (i.e., 9 minutes per 3-hour period), as determined by EPA Reference Method 22 observations as specified in § 60.58b(k), except as provided in paragraphs (b) and (c) of this section.
(b)The emission limit specified in paragraph (a) of this section does not cover visible emissions discharged inside buildings or enclosures of ash conveying systems; however, the emission limit specified in paragraph (a) of this section does cover visible emissions discharged to the atmosphere from buildings or enclosures of ash conveying systems.
(c)The provisions specified in paragraph (a) of this section do not apply during maintenance and repair of ash conveying systems.