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https://www.federalregister.gov/documents/2026/03/17/2026-05167/national-emission-standard…

…ntrol devices (APCDs) or the sterilization process(es). The EPA is printed page 12717) thus proposing to update the monitoring parameters for APCDs in 40 CFR 63.361 63.363(c) , and 63.364(b) (c) , and (d) . In addition, the EPA is proposing revisions to the procedures for establi…