The Department of Environmental Quality proposed to amend Utah Admin. Code r. 307.502, pertaining to pneumatic controllers. Changes would require the replacement of existing high-bleed devices with low-bleed devices in order to comply with the oil and gas new source performance standard. The deadline for comment is July 31, 2014. See http://www.rules.utah.gov/publicat/bull_pdf/2014/b20140701.pdf (pp. 40-42).