Subject of Possible Rule Making: SWCAA 400 General Regulations for Air Pollution Sources: Sections 400-113 and 400-200.

     Statutes Authorizing the Agency to Adopt Rules on this Subject: RCW 70.94.141 and 70.94.152.

     Reasons Why Rules on this Subject may be Needed and What They Might Accomplish: The proposed rule changes are intended to amend general requirements for air pollution sources and implement revised elements of SWCAA's ozone maintenance plan for the Portland/Vancouver maintenance area.

     Other Federal and State Agencies that Regulate this Subject and the Process Coordinating the Rule with These Agencies: SWCAA 400 is substantially similar to chapter 173-400 WAC as administered by the department of ecology. None of the proposed rule changes conflict or differ substantially from the associated state and federal regulations.

     Process for Developing New Rule: The proposed rule revisions were developed through internal agency review. Maintenance plans elements were developed in conjunction with the Oregon department of environmental quality.

     Interested parties can participate in the decision to adopt the new rule and formulation of the proposed rule before publication by contacting Wess Safford, 11815 N.E. 99th Street, Suite 1294, Vancouver, WA 98682-2454, (360) 574-3058 ext. 26, e-mail wess@swcleanair.org.

July 13, 2006

Robert D. Elliott

Executive Director

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