The Pollution Control and Ecology Commission amended Regulation 2, the Arkansas Water Quality Standards. The rule increases the total dissolved standard level and removes the designated water supply for certain areas. http://www.sos.arkansas.gov/elections/elections_pdfs/register/Sept10Reg/0910.pdf.

The Energy Commission will hold a public hearing on proposed changes to Cal. Code Regs. tit. 20, §2.9.1, relating to the state's "Million Solar Roofs Initiative." The rule currently requires sellers of production homes to offer the option of a solar energy system to all customers negotiating to purchase a new production home constructed on land meeting certain criteria and to disclose certain information. Amendments would define the Homebuyer Solar Option and the Solar Offset Program, and outline the requirements for the solar option.

The Office of Environmental Health Hazard Assessment proposed to amend Cal. Code Regs. tit. 27, §25805, listing S,S,S§tributyl Phosphorotrithioate under Proposition 65 as a chemical known to the state to cause cancer. The comment period ends November 15, 2010. http://www.oal.ca.gov/res/docs/42z-2010.pdf p. 1705.

The Office of Environmental Health Hazard Assessment proposed to amend Cal. Code Regs. tit. 27, §25805, listing six chemicals under the Safe Drinking Water and Toxic Enforcement Act of 1986 as substances that cause cancer. The comment period ends December 21, 2010 http://www.oal.ca.gov/res/docs/43z-2010.pdf pp. 1758-62.

The Department of Public Health and Environment proposed to amend 6 Colo. Code Regs. §1007.3, Hazardous Waste. Changes would remove the permit modification provisions for EPA Performance Track member facilities that currently exist in §100.63 and Appendix I to §100.63. There will be a hearing on November 16, 2010. http://www.sos.state.co.us/CCR/Upload/NoticeOfRulemaking/ProposedRuleAttach2010-00941.RTF.

The Commissioner of Environmental Protection proposed to amend Reg. Conn. State Agencies §§22a-133v-2 through 5 and §§22a-133v-7(c), (l), (n), (o), (r), (s), (ee) and to adopt new §22a-133v-4(e). The proposed amendments are intended to make the regulations consistent with several statutory changes. Amendments would alter instruction hours requirements and license renewal for board certification, in addition to other changes. There will be a public hearing on November 18, 2010. http://www.ct.gov/dep/cwp/view.asp?A=2586&Q=466894.

The Department of Environmental Protection proposed to revise 62 Fla. Admin. Code §621.300(1), Generic Permit for Discharges From Petroleum Contaminated Sites and §621.300(2), Generic Permit for Discharge of Produced Ground Water From any Non-Contaminated Site Activity. The revisions will reflect current NPDES program requirements, bring effluent monitoring and limitations up-to-date with current limits, and improve and streamline permit issuance. There will be a public hearing on November 8, 2010.

The Air Pollution Control Board amended 326 Ind. Admin. Code 1-3-4 concerning the NAAQS for lead. The rule takes effect November 30, 2010. http://www.in.gov/legislative/iac/20101020-IR-326100127FRA.xml.pdf.

The Pesticide Review Board added 357 Ind. Admin. Code §1-16, regarding the use and storage of pesticides in schools. The rule takes effect November 20, 2010. http://www.in.gov/legislative/iac/20101020-IR-357100336FRA.xml.pdf.

The Natural Resources Commission added 312 Ind. Admin. Code §11.5. The rules govern the emergency regulation of surface water rights on freshwater lakes that contain at least 10 acres. http://www.in.gov/legislative/iac/20101027-IR-312090876FRA.xml.pdf.