The California Integrated Waste Management Board (CIWMB) will hold a public hearing on proposed amendments to Title 27, California Code of Regulations (27 CCR), §§21200, 21570, 21640, 21685, 21820, 21840, 21865, 21880, 22100, 22101, 22102, 22103, 22211, 22220, 22221, 22231, 22234, 22245, 22248, Appendix 3 - CIWMB 100, CIWMB 106, and CIWMB 114. The proposed changes modify existing regulations governing change of ownership requirements; permit application, permit review, and CIWMB permit processing requirements; closure cost estimates; postclosure maintenance plans and cost estimates; certification of closure requirements; known or reasonably foreseeable corrective action plans; cost estimates and financial assurance requirements; cancellation or non-renewal of financial assurance mechanisms; postclosure maintenance financial assurance requirements; and financial assurance forms and mechanisms. The hearing will be April 16, 2009. Comments are due April 13, 2009. http://www.ciwmb.ca.gov/Rulemaking/Postclosure/Phase2/.