The Department of Natural Resources proposed to amend Mo. Code Regs. Ann. tit.10, §26.2, Underground Storage Tanks--Technical Regulations. The changes would clarify the definition of an underground storage tank and define specific words used in the chapter. In addition, the changes would remove references to a 1998 deadline and add modern standards for testing and evaluating steel tanks. There will be a public hearing June 16, 2011, and the deadline for public comment is June 23.

The Department of Natural Resources amended Mo. Code Regs. Ann. tit. 10, §20-8.110, Engineering--Reports, Plans, and Specifications. The amendment updates the rule to current industry practices, providing specific and clear requirements for engineering reports, facility plans, plans, and specifications. http://www.sos.mo.gov/adrules/moreg/current/v36n10/v36n10c.pdf pp. 1384-88.

The State Environmental Commission proposed to amend Nev. Admin. Code §445B, revising the definitions of "major source" and "regulated air pollutant" and amending the provisions governing the adoption by reference of certain federal regulations by the Commission. http://www.leg.state.nv.us/register/2011TempRegister/T009-11P.pdf.

The State Environmental Commission proposed to amend Nev. Admin. Code §445B, establishing the Class IV Operating Permit Program to require an operating permit of sources of hazardous air pollution. http://www.leg.state.nv.us/register/2011TempRegister/T008-11P.pdf.

The Department of Environmental Quality amended Okla. Admin. Code §252.100 to adopt new appendices for the allowable particulate matter emission rate for incinerators and primary ambient air quality standards. http://www.oar.state.ok.us/register/Volume-28_Issue-17.htm#a38689.

The Department of Environmental Quality amended Okla. Admin. Code §252.100, Air Pollution Control, to incorporate U.S. EPA's new greenhouse gas rules. The state rules will not be more stringent than federal rules. In addition, the amendments will alter the department's fee structure to charge a different rate for emitters of hazardous air pollutants, lead, and lead compounds. The rules were approved by the governor April 12, 2011. http://www.oar.state.ok.us/register/Volume-28_Issue-17.htm#a37891.

The Water Resources Board amended Okla. Admin. Code §785:45.5.3, Oklahoma's Water Quality Standards. Changes modify procedures for listing and reporting beneficial use. http://www.oar.state.ok.us/register/Volume-28_Issue-17.htm#a675087.

The Water Resources Board amended Okla. Admin. Code §785:50.3, Financial Assistance. Among other changes, the amendments alter language regarding "urban storm water activities" to "storm water" and "Brownfield activities" and add a definition of "consultant." http://www.oar.state.ok.us/register/Volume-28_Issue-17.htm#a692505.

The Commission on Environmental Quality adopted changes to 30 Tex. Admin. Code §101.1, General Rules. Changes add clarifying definitions for rules related to NAAQS. The rule took effect May 15, 2011. http://www.sos.state.tx.us/texreg/pdf/backview/0506/0506is.pdf pp. 2841-52.

The Department of Ecology proposed to amend Wash. Admin. Code 173.334, Children's safe products--Reporting rule. Changes would alter the process for updating the list of chemicals of high concern to children. There will be a public hearing on June 8, 2011, and the deadline for comments is June 15. The intended date of adoption is July 8. http://apps.leg.wa.gov/documents/laws/wsr/2011/10/11-10-088.htm.