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Conformity Adequacy Review - Region 9

Transportation
Conformity

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SIP Submissions that EPA has Found Adequate or Inadequate
Region 9: Arizona, California, Hawaii, Nevada, and
the territories of Guam and American Samoa

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

Contacts: Karina O'Connor, at 775-833-1276 or
John J. Kelly, at 415-947-4151 or
Wienke Tax at 415-947-4192 or
Ginger Vagenas at 415-972-3964 or
R9.adequacy@epa.gov, U.S. EPA Region 9, 75 Hawthorne St., San Francisco, CA 94105

Arizona
Area Pollutant SIP
Submission
Finding
(date budgets apply)
Additional Information/ Comments
Bullhead City pm10 limited maintenance plan Adequate
(08/26/02)
FR Notice | PDF version (8pp, 69K)
Budgets found adequate through SIP approval process.
Payson City pm10 limited maintenance plan Adequate
(08/26/02)
FR Notice | PDF version (8pp, 69K)
Budgets found adequate through SIP approval process.
Pima County carbon
monoxide
maintenance plan Adequate
(12/08/99)
Letter 1 (PDF) (2pp, 86K) and Letter 2 (PDF) (8pp, 84K)
FR Notice | PDF version (2pp, 21K)
Budgets found adequate through the adequacy review process.
Phoenix (Maricopa and Pinal Counties) pm10 5% plan Withdrawn
(01/31/11)
Letter (PDF) (2pp, 35K)
Budgets previously found adequate on the 7/1/08 FR Notice.
FR Notice | PDF Version (2pp, 85K)
8-hour ozone attainment demonstration Adequate
(11/09/07)
Letter (PDF) (6pp, 95K)
FR Notice
Budgets found adequate through the adequacy review process.
pm10 attainment demonstration Adequate
(04/21/00)
Letter (PDF) (5pp, 69K)
FR Notice | PDF verson (1p, 11K)
PM10 budget for Maricopa County applies to entire non-attainment area including Pinal County. Budgets found adequate through the adequacy review process.
Inadequate
(12/27/99)
Letter (PDF) (5pp, 997K)
FR Notice | PDF version (1p, 73K)
 
Phoenix (Maricopa County) carbon
monoxide
maintenance plan Adequate
(10/14/03)
Letter (PDF) (1p, 23K)
FR Notice | PDF version (5pp, 34K)
Budgets found adequate through the adequacy review process.
attainment demonstration (serious area) Adequate
(11/01/01)
Letter (PDF) (4pp, 81K)
FR Notice | PDF version (1p, 61K)
Revision to budget from 12/14/99. Budgets found adequate through the adequacy review process.
Adequate
(12/14/99)
Letter (PDF) (4pp, 851K)
FR Notice | PDF version (1p, 14K)
Budgets found adequate through the adequacy review process.
attainment demonstration (moderate area) Inadequate
(05/05/99)
Determination made under old process
1-hour ozone maintenance plan Adequate
(09/01/04)
Letter (PDF) (6pp, 191K)
FR Notice | PDF version (2pp, 54K)
Budgets found adequate through the adequacy review process.
attainment demonstration and 15% Inadequate
(05/05/99)
Determination made under old process
Tucson carbon monoxide limited maintenance plan Adequate
(12/21/09)
FR Notice | PDF version (3pp, 54K)
Budgets found adequate through the SIP approval process.
Yuma County pm10 maintenance plan Adequate
(06/27/07)
Letter (PDF) (6pp, 237K)
FR Notice
Budgets found adequate through the adequacy review process.
attainment demonstration Inadequate
(11/16/99)
Letter (PDF) (2pp, 59K)
FR Notice | PDF version (1p, 13K)
 
California
Area Pollutant SIP
Submission
Finding
(date budgets apply)
Additional Information/ Comments
Bakersfield Metropolitan Area carbon monoxide maintenance plan Adequate
(01/30/06)
FR Notice
Budgets found adequate through SIP approval process.
Chico Urbanized Area carbon monoxide maintenance plan Adequate
(01/30/06)
FR Notice

Budgets found adequate through SIP approval process.
Coso Junction pm10 maintenance plan Adequate
(09/03/10)
FR Notice

Budgets found adequate through SIP approval process.
East Kern County 8-hour ozone early progress plan Adequate
(12/10/08)
FR Notice | PDF version (2pp, 75K)
Budgets found adequate through adequacy review process.
1-hour ozone maintenance plan Adequate
(06/21/04)
FR Notice | PDF version (3pp, 43K)
Budgets found adequate through SIP approval process.
Fresno Urbanized Area carbon monoxide maintenance plan Adequate (01/30/06) FR Notice Budgets found adequate through SIP approval process.
Imperial County 8-hour ozone early progress plan Adequate (05/20/08)
Letter (PDF) (2pp, 56K)
Enclosure (PDF) (3pp, 108K)
FR Notice | PDF Version (1p, 67K)
Budgets found adequate through the adequacy review process.
Indian Wells pm10 maintenance plan Adequate
(05/07/03)
FR Notice | PDF version (3pp, 43K)
Budgets found adequate by virtue of SIP approval.
Lake Tahoe North Shore Area carbon monoxide maintenance plan Adequate (01/30/06) FR Notice Budgets found adequate through SIP approval process.
Lake Tahoe South Shore Area carbon monoxide maintenance plan Adequate (01/30/06) FR Notice Budgets found adequate through SIP approval process.
Los Angeles (Coachella) pm10 attainment demonstration Adequate
(04/09/04)
Letter (PDF) (7pp, 18K)
FR Notice | PDF version (2pp, 54K)
Budgets found adequate through the adequacy review process.
Adequate
(04/18/03)
Letter (PDF) (6pp, 26K)
FR Notice | PDF version (2pp, 32K)
Budgets found adequate through SIP approval process.
Inadequate
(01/04/00)
Letter (PDF) (2pp, 324K)
FR Notice | PDF version (7pp, 87K)
 
Los Angeles - San Bernadino Counties (Western Mohave Desert) 8-hour ozone early progress plan Adequate (05/20/08)
Letter (PDF) (3pp, 52K)
Enclosure (PDF) (3pp, 113K)
FR Notice | PDF Version (51pp, 67K)
Budgets found adequate through the adequacy review process.
Modesto Urbanized Area carbon monoxide maintenance plan Adequate (01/30/06) FR Notice Budgets found adequate through SIP approval process.
Riverside County (Coachella Valley) 8-hour ozone early progress plan Adequate (05/22/08)
Letter (PDF) (2pp, 61K)
Enclosure (PDF) (3pp, 117K)
FR Notice | PDF Version (1pp, 72K)
Budgets found adequate through the adequacy review process.
Sacramento Metro Area pm10 maintenance plan Adequate
(12/08/11)
Letter (PDF) (4pp, 155K)
FR Notice
Budgets found adequate through the adequacy review process.
8-hr ozone attainment demonstration and reasonable further progress Adequate / Inadequate
(08/12/09)
Letter (PDF) (7pp, 421K)
FR Notice | PDF version (2pp, 81K)
Budgets found adequate / inadequate through the adequacy review process.
reasonable further progress Adequate (03/29/06)
Letter (PDF) (5 pp, 406K)
FR Notice
Budgets found adequate through the adequacy review process.
Sacramento Urbanized Area carbon monoxide maintenance plan Adequate (01/30/06) FR Notice Budgets found adequate through SIP approval process.
San Bernardino County pm10 attainment demonstration Inadequate
(01/04/00)
Letter (PDF) (2pp, 406K)
FR Notice | PDF version (1p, 117K)
 
San Diego Area 8-hour ozone attainment plan Adequate (06/09/08)
Letter (PDF) (2pp, 166K)
FR Notice | PDF version (2pp, 72K)
Budgets found adequate through the adequacy review process.
carbon monoxide maintenance plan Adequate (01/30/06) FR Notice Budgets found adequate through SIP approval process.
1-hour ozone maintenance plan Adequate
(05/14/03)
Letter (PDF) (5pp, 170K)
FR Notice | PDF version (2pp, 39K)
Budgets found adequate through the adequacy review process.
San Francisco Bay Area carbon monoxide maintenance plan Adequate (01/30/06) FR Notice Budgets found adequate through SIP approval process.
1-hour ozone attainment demonstration Adequate
(03/08/02)
Letter (PDF) (45pp, 159K)
FR Notice | PDF version (2pp, 39K)
Budgets found adequate through the adequacy review process.
Inadequate
(10/22/01)
FR Notice | PDF version (8pp, 67K)
Budgets inadequate by virtue of partial SIP disapproval
San Joaquin Valley pm2.5 attainment plan Adequate
(11/09/11)
FR Notice (PDF) (31 pp, 308K)
Budgets found adequate through SIP approval process.
reasonable further progress and attainment plan Adequate / Inadequate
(05/27/10)
Letter (PDF) (6pp, 229K)
FR Notice
Budgets found adequate / inadequate through the adequacy review process.
8-hour ozone attainment demonstration and reasonable further progress plan Adequate
(02/06/09)
Letter (PDF) (11 pp, 1M)
FR Notice| PDF Version (3 pp, 110K)
Budgets found adequate through the adequacy review process.
1-hour ozone attainment demonstration and rate of progress Adequate
(03/02/05)
Letter (PDF) (11pp, 62K)
FR Notice
Budgets found adequate through the adequacy review process.
pm10 maintenance plan Adequate
(11/12/08)
FR Notice | PDF version (17pp, 227K)
Budgets found adequate through SIP approval process.
attainment demonstration Adequate
(05/26/04)
FR Notice | PDF version (32pp, 233K)
Budgets found adequate through SIP approval process.
1-hour ozone rate of progress (2002 and 2005) Adequate
(08/08/03)
Letter (PDF) (8pp, 28K)
FR Notice | PDF version (2pp, 133K)
Budgets found adequate through the adequacy review process.
pm10 attainment demonstration Inadequate
(05/05/99)
Determination made under old process
Santa Barbara 1-hour ozone maintenance plan Adequate
(07/09/03)
Letter (PDF) (5pp, 18K)
FR Notice | PDF version (3pp, 43K)
Budgets found adequate through SIP approval process.
attainment demonstration Adequate
(01/14/00)
Letter (PDF) (8pp, 539K)
FR Notice | PDF version (2pp, 14K)
Technical Support Document (PDF) (6pp, 24K). Budgets found adequate through the adequacy review process.
Searles Valley pm10 attainment demonstration Inadequate
(01/04/00)
Letter (PDF) (2pp, 339K)
FR Notice
 
South Coast pm2.5 attainment plan Adequate
(11/09/2011) FR Notice (PDF) (28 pp, 281K)
Budgets found adequate through SIP approval process.
nitrogen dioxide maintenance plan Adequate
(01/04/2010) Letter (PDF) (5pp, 200K) FR Notice | PDF Version (3pp, 130K)
Budgets found adequate through the adequacy review process.
8-hour ozone and PM2.5 reasonable further progress, attainment plan, and out-year budgets Adequate / Inadequate
(05/30/08)
Letter (PDF) (2pp, 48K)
Attachment (PDF) (18pp, 72K)
FR Notice | PDF version (3pp, 130K)
Budgets found adequate / inadequate through the adequacy review process.

The May 15, 2008 adequacy FR notice incorrectly stated that the 2017 NOx budget for the 8-hour ozone standard was 32 tpd. The adequate 2017 NOx budget for ozone is actually 232 tpd. This typographical error was corrected in a June 18, 2008 FR notice | PDF Version (1p, 45K).

1-hour ozone, CO, and PM10 attainment demonstration Adequate
(04/09/04)
Letter (PDF) (16pp, 51K)
FR Notice | PDF version (2pp, 54K)
Budgets found adequate through the adequacy review process.
nitrogen dioxide maintenance plan Adequate
(04/09/04)
Letter (PDF) (16pp, 51K)
FR Notice | PDF version (2pp, 54K)
Budgets found adequate through the adequacy review process.
pm10 attainment demonstration Adequate
(04/18/03)
Letter (PDF) (4pp, 25K)
FR Notice | PDF version 4pp, 98K)
Budgets found adequate through SIP approval process. Budgets replace those posted on 06/24/99.
Southeast Desert 1-hour ozone rate of progress and attainment demonstration Adequate
(06/14/04)
Letter (PDF) (7pp, 45K)
FR Notice | PDF version (2pp, 54K)
Budgets found adequate through the adequacy review process.
Stockton Urbanized Area carbon monoxide maintenance plan Adequate (01/30/06) FR Notice Budgets found adequate through SIP approval process.
Ventura 8-hour ozone early progress plan Adequate (05/20/08)
Letter (PDF) (2pp, 57K)
Enclosure (PDF) (3pp, 116K)
FR Notice | PDF Version (53pp, 67K)
Budgets found adequate through the adequacy review process.
1-hour ozone attainment demonstration Adequate
(06/14/04)
Letter (PDF) (6pp, 43K)
FR Notice | PDF version (2pp, 54K)
Budgets found adequate through the adequacy review process.
Nevada
Area Pollutant SIP
Submission
Finding
(date budgets apply)
Additional Information/ Comments
Lake Tahoe carbon monoxide limited maintenance plan Adequate
(02/13/04)
FR Direct Final Rule | PDF version (8pp, 67K)
Budgets found adequate through SIP approval process.
Las Vegas
(Clark County)
8-hour ozone early progress plan Adequate
(05/29/09)
FR Notice | PDF version (2pp, 76K)
Budgets found adequate through the adequacy review process
pm10 attainment demonstration Adequate
(1/26/02)
Letter (PDF) (2 pp. 97K)
FR Notice | PDF version (1p 34K)
Response to Comments (PDF) (24pp, 585K) Adequacy Review Table (PDF) (4pp 133K). Budgets found adequate through the adequacy review process
carbon
monoxide
maintenance plan Adequate
(09/27/10)
FR Notice
Budgets found adequate through the SIP approval process.
attainment demonstration Adequate
(12/15/00)
Letter (PDF) (7 pp, 505K)
FR Notice | PDF version (2pp, 120K)
Budgets found adequate through the adequacy review process.
Inadequate
(02/17/00)
Letter (PDF) (5pp, 84K)
FR Notice
 
Inadequate
(05/05/99)
Determination made under old process
pm10 attainment demonstration Inadequate
(11/16/99)
Letter (PDF) (2pp, 56K)
FR Notice | PDF version 1p, 13K)
 
Truckee Meadows (Washoe County) pm10 maintenance plan Adequate
(06/02/10)
Letter (PDF) (6pp, 227K)
FR Notice
Budgets found adequate through the adequacy review process.
carbon monoxide maintenance plan Adequate
(03/30/06)
Letter (PDF) (10pp, 340K)
FR Notice | PDF version (2pp, 191K)
Budgets found adequate through the adequacy review process.

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