The Air Quality Control Commission will hold a public hearing on proposed amendments to 5 Colo. Code Regs. §1001-2, Common Provisions Regulation. The amendments would adjust the definitions of "negligibly reactive volatile organic compound" and "volatile organic compound" to make them consistent with the federal definitions. The hearing will be December 17, 2009. http://www.cdphe.state.co.us/op/aqcc/hearingnotices/2009/Common%20Provisions%20RMH%20Notice%20121709%20DORA.pdf.