The Air Quality Control Commission will hold a written comment only public hearing to consider revisions to Regulation Number 6 Part A, New Source Performance Standards. The revisions would incorporate by reference changes U.S. EPA made to its rules for new source performance standards. The hearing will be June 18, 2009. http://www.cdphe.state.co.us/op/aqcc/hearingnotices/2009/Reg%208%20Part%20E%20RWC%20Notice%20061809%20DORA.pdf.

The Colorado Public Utilities Commission will hold a public hearing on proposed amendments to 4 Code of Colorado Regulations 723-5, Rules Regulating Water and Combined Water and Sewer Utilities. The amendments apply to water corporations that provide combined water and sewer service. The hearing will be held April 24, 2009. http://www.dora.state.co.us/puc/DocketsDecisions/decisions/2009/C09-0187_09R-130W.pdf.

The Department of Natural Resources and Environmental Control will hold a public hearing on proposed amendments to 7 DE Admin. Code 1351, 1351 Delaware Regulations Governing Underground Storage Tank Systems. The changes would incorporate federal requirements and add clarifying language. The hearing will be held April 21, 2009. http://regulations.delaware.gov/register/april2009/proposed/12%20DE%20Reg%201267%2004-01-09.htm#P10_277.

The Indiana Department of Environmental Management seeks public comment on new rules at 329 IAC 11.5 concerning registration, operational requirements, and closure and financial assurance for biomass anaerobic digesters, gasifers, and boilers, and mobile home salvaging operations. Comments are due April 24, 2009. http://www.in.gov/legislative/iac/20090325-IR-329090193FNA.xml.html.

The Indiana Department of Environmental Management (IDEM) seeks public comment on new rules at 329 IAC 11.7 concerning registration, storage standards, and closure and financial assurance for facilities that use industrial or commercial waste as an alternative fuel source. This rulemaking focuses on the storage and handling aspects of the waste utilized as fuels and leaves the assessment of emission impacts from such burning to the Office of Air Quality and the Air Pollution Control Board.

The Department of Environmental Quality adopted amendments to LAC 33:III.301, 303, 305, 307, 309, 311, 313, and 501, Regulatory Permits for Oil and Gas Well Testing, Release of Natural Gas from Pipelines, Emergency Engines, and Air Curtain Incinerators.

The Department of Environmental Quality adopted amendments to LAC 33:III.1432, 1434, 1435, and 1437, Transportation Conformity. This rule amends the transportation conformity regulations to fulfill the requirements in the CAA, as amended by the August 10, 2005, Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users. http://www.doa.la.gov/osr/reg/0903/0903.pdf pp. 461-63.

The Department of Environmental Quality (DEQ) adopted amendments to LAC 33:I.2701, 2703, 2705, 2707, 2709, 2711, 2713, 2715, 2717, 2719, and 2721, Mercury Risk Reduction.

The Department of Environmental Quality adopted amendments to LAC 33:IX.1105, 1113, and 1123, Dissolved Oxygen Criteria for Barataria and Terrebonne Basins. The dissolved oxygen criteria have been revised for 60 water quality management subsegments in the Barataria and Terrebonne Basins, and Table 3 of LAC 33:IX.1123 has been revised accordingly. This rule also includes minor clarifications to the narrative dissolved oxygen standard in LAC 33:IX.1113. http://www.doa.la.gov/osr/reg/0903/0903.pdf pp. 445-49.

The Secretary of the Environment proposed to amend COMAR 26.12.01, Radiation Protection. This supplement incorporates revised NRC regulations on packaging and transporting radioactive material. The NRC has revised these regulations to make them compatible with the latest International Atomic Energy Agency standards for safe transportation of radioactive material. http://www.dsd.state.md.us/mdregister/3607/index.htm#Radiation_Protection_61.