The Department of Environmental Quality cancelled the public hearing concerning the amendment of R18-2-610 and R18-2-611, Definitions for R18-2-611 and Agricultural PM10 General Permit, Maricopa PM10 Nonattainment Area, in order to finalize the exempt rulemaking implemented by the 48th Legislature, First Regular Session, 2007, Chapter 292, Senate Bill 1552, Section 20. http://www.azsos.gov/public_services/Register/2008/8/pub_mtg_open_rulemaking.pdf.