The Kentucky Environmental and Public Protection Cabinet will conduct a public hearing to receive comments on a proposed SIP revision that includes the pre-hearing draft of Kentucky§s Regional Haze SIP, which documents reasonable progress goals for Kentucky§s Class I area Mammoth Cave National Park and includes best available retrofit technology determinations. The hearing will be held April 7, 2008. Comments are due April 7, 2008. http://www.air.ky.gov/NR/rdonlyres/B8E78235-B69E-4A2F-9F42-AA4688A4487E/0/KYDAQRegionalHazeSIPPublicHearingNotice.pdf.