Date of Adoption: February 1, 2001.

Purpose: The purpose for adding Appendix B was to formally document the carbon monoxide and ozone maintenance plan boundary. The previous descriptions have not been formally adopted.

Citation of Existing Rules Affected by this Order: Amending SWCAA 400 Appendix B.

Statutory Authority for Adoption: RCW 70.94.141.

Adopted under notice filed as WSR 00-24-085 on December 5, 2000.

Number of Sections Adopted in Order to Comply with Federal Statute: New 0, Amended 0, Repealed 0; Federal Rules or Standards: New 0, Amended 0, Repealed 0; or Recently Enacted State Statutes: New 0, Amended 0, Repealed 0.

Number of Sections Adopted at Request of a Nongovernmental Entity: New 0, Amended 0, Repealed 0.

Number of Sections Adopted on the Agency's Own Initiative: New 1, Amended 0, Repealed 0.

Number of Sections Adopted in Order to Clarify, Streamline, or Reform Agency Procedures: New 1, Amended 0, Repealed 0.

Number of Sections Adopted Using Negotiated Rule Making: New 0, Amended 0, Repealed 0; Pilot Rule Making: New 0, Amended 0, Repealed 0; or Other Alternative Rule Making: New 1, Amended 0, Repealed 0. Effective Date of Rule: Thirty-one days after filing.

February 9, 2001

Robert D. Elliott

Executive Director

The ozone and carbon monoxide maintenance area boundary description begins at the northwest corner at the intersection of the section line on the south side of Section 36 of T4N.R1W and the north side of Section 1 of T3N.R1W. The boundary turns southward following the east shores of Lake River, until it would intersect with the 14900 block NW, then easterly to join with NW 149th Street. This boundary runs until it meets the western edge of Interstate 5, then north to 159th Street and east on 159th Street to the east side of NE 50th Avenue. On 50th Avenue the boundary runs south until it joins the south bank of Salmon Creek, following the south branch of the creek until it reaches NE Caples Road, then southerly on the west side of Caples Road (currently SR-502) until it intersects with NE 144th Street. The boundary continues eastward along the south side of NE 144th Street following the 14400 block plane to where it would join with the west side of NE 212 Avenue, then southward to the south side of NE 109th Street. The boundary continues east on NE 109th Street, then southerly along the west side of NE 232 Avenue to where the 23200 block joins with the northern edge of NE 58th Street. The boundary continues east on NE 58th Street until the 5800 block intersects with the western edge of Livingston Road. The boundary follows Livingston Road South until it turns into NE 292nd Avenue. Staying on the plane of the 29200 block, the boundary proceeds south until it joins SE Blair Road. The boundary follows along the south-west side of Blair Road south-eastward to its intersection with Washougal River Road. The boundary proceeds eastward at the northern edge of the 2000 block to SE 20th Street. The boundary continues east on SE 20th Street until it intersects the western edge of SE Jennings Road (352nd Avenue), then south along the 4900 plane to SE 49th Avenue. The boundary follows the 4900 plane south until it intersects Evergreen Boulevard (the eastern edge of current Washougal City limits). The boundary continues south along the Washougal City limits to the State border along the section line on the west side of Section 21 of T1N.R4E. The boundary follows the Clark County line (State boundary) down the Columbia River until it connects at the northwest corner of the boundary at the section line of Section 36 of T4N.R1W and the north side of Section 1 of T3N.R1W.

Note: The Columbia River is the common boundary shared by Washington and Oregon for the Portland-Vancouver carbon monoxide and ozone non-attainment area.

MAP OF VANCOUVER OZONE AND

CARBON MONOXIDE MAINTENANCE AREA BOUNDARY

Place illustration here.

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