Jump to main content or area navigation.

Contact Us

State and Local Transportation Resources

Conformity Adequacy Review - Region 10

Transportation
Conformity

NOTE: You will need Adobe Acrobat Reader, available as a free download, to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.

SIP Submissions that EPA has Found Adequate or Inadequate
Region 10: Alaska, Idaho, Oregon, and Washington

For more information about adequacy review, return to the main adequacy page.

This page provides a list of state implementation plans that include motor vehicle emission budgets that EPA Region 10 has found either adequate or inadequate for the purposes of transportation conformity.

Contact:  Karl Pepple, (AK, ID, OR, WA) U.S. EPA Region 10, 1200 Sixth Ave., Seattle, WA  98101; phone: 206-553-1778. email: pepple.karl@epa.gov.

Alaska
Area Pollutant SIP
Submission
Finding
(date budgets apply)
Additional Information/ Comments
Anchorage carbon monoxide maintenance plan Adequate
(02/29/12)
Letter (PDF) (2 pp. 88K
FR Notice (PDF) (2 pp. 247K)
Budgets found adequate through the adequacy review process.
Adequate
(06/23/04)
FR Notice
SIP found adequate through SIP approval process.
attainment demonstration Adequate
(09/18/02)
FR Notice
Budgets adequate by virtue of SIP approval.
Inadequate
(05/14/99)
Determination made under old process.
Eagle River PM10 limited maintenance plan Adequate
(05/14/12)
Letter (PDF) (2 pp, 44K)
FR Notice (PDF) (2 pp, 197K)
Budgets found adequate through the adequacy review process.
Fairbanks carbon monoxide maintenance plan Adequate
(09/27/04)
FR Notice
Budgets adequate by virtue of SIP approval.
attainment demonstration Adequate
(04/05/02)
FR Notice
Budgets found adequate through SIP approval process.
Inadequate
(05/14/99)
Determination made under old process
Idaho
Area Pollutant SIP
Submission
Finding
(date budgets apply)
Additional Information/ Comments
Northern Ada County PM10 second limited maintenance plan Adequate
(6/21/13)
FR Notice
Budgets found adequate through adequacy review process.
carbon monoxide limited maintenance plan Adequate
(12/27/02)
FR Notice
Budgets found adequate through SIP approval process.
Pocatello PM10 maintenance plan Adequate
(10/04/04)
Letter (PDF) (2pp, 387K)
FR Notice
Budgets found adequate through adequacy review process.
attainment demonstration Inadequate
(08/14/00)
Letter (PDF) (2pp, 19K)
FR Notice
 
Oregon
Area Pollutant SIP
Submission
Finding
(date budgets apply)
Additional Information/ Comments
Medford PM10 maintenance plan Adequate
(08/18/06)
FR Notice
Budgets found adequate through SIP approval process.
carbon monoxide maintenance plan Adequate
(04/26/02)
Letter (PDF) (2pp, 15K)
FR Notice
Budgets found adequate through adequacy review process.
Portland carbon monoxide maintenance plan Adequate
(01/24/06)
FR Notice
Budgets found adequate through SIP approval process.
Salem carbon monoxide limited maintenance plan Adequate
(03/02/09)
FR Notice (PDF)
Budgets found adequate through SIP approval process.
Washington
Area Pollutant SIP
Submission
Finding
(date budgets apply)
Additional Information/ Comments
Spokane PM10 limited maintenance plan Adequate
(08/30/05)
FR Notice
Budgets found adequate through SIP approval process.
carbon monoxide maintenance plan Adequate
(08/29/05)
FR Notice
Budgets found adequate through SIP approval process.
attainment demonstration Adequate
(12/04/02)
Letter (PDF) (2pp, 16K)
FR Notice
Budgets found adequate through adequacy review process.
Inadequate
(05/14/99)
Determination made under old process
Vancouver carbon monoxide limited maintenance plan Adequate
(12/04/07)
Letter (PDF) ( 2pp, 29K)
FR Notice
Budgets found adequate through adequacy review process.
Yakima PM10 limited maintenance plan Adequate
(11/29/04)
Letter (PDF) (2pp, 90K)
FR Notice
Budgets found adequate through adequacy review process.
carbon monoxide limited maintenance plan Adequate
(12/31/02)
FR Notice
Budgets found adequate through the SIP approval process.

top of page

This page is maintained by EPA's Office of Transportation and Air Quality (OTAQ).
For more: About Us | Get E-mail Updates | Browse the A to Z Subject Index.

Jump to main content.