Regulation Changes in 2012
These are APCD regulations that were amended, adopted or repealed in the calendar year 2012.
The regulation number links to the current version of the regulation, which may be newer than the version listed here. Contact us if you need a copy of an old version of a regulation. See "Help" for more information.
||Methodology for Determining Benchmark Ambient Air Concentration of a Toxic Air Contaminant
||Categories of Toxic Air Contaminants