The EPA published a direct final rule titled “Quality Assurance Requirements for Continuous Opacity Monitoring Systems at Stationary Sources” in the Federal Register on February 14, 2012. Because the EPA received adverse comments to the parallel proposed rule issued under the same name on February 14, 2012, the EPA is withdrawing the direct final rule.
DATES: As of March 28, 2012, the EPA withdraws the direct final rule published on February 14, 2012 (77 FR 8160).
http://www.gpo.gov/fdsys/pkg/FR-2012-03-28/pdf/2012-7487.pdf
Tags: COMS, Continuous Opacity Monitoring, EPA, stationary source