Code of Federal Regulations (Last Updated: April 5, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 81 - Designation of Areas for Air Quality Planning Purposes |
Subpart C - Section 107 Attainment Status Designations |
§ 81.345 - Utah.
Latest version.
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§ 81.345 Utah.
Utah—1971 Sulfur Dioxide NAAQS
[Primary and Secondary]
Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards Salt Lake County 1 X 1 X Portions of Tooele County 1 X 1 X Rest of State X Utah—2010 Sulfur Dioxide NAAQS
[Primary]
Designated area1 Designation Date2 Type Statewide: Beaver County Attainment/Unclassifiable. Box Elder County Attainment/Unclassifiable. Cache County Attainment/Unclassifiable. Carbon County Attainment/Unclassifiable. Daggett County Attainment/Unclassifiable. Davis County Attainment/Unclassifiable. Duchesne County Attainment/Unclassifiable. Emery County Attainment/Unclassifiable. Garfield County Attainment/Unclassifiable. Grand County Attainment/Unclassifiable. Iron County Attainment/Unclassifiable. Juab County Attainment/Unclassifiable. Kane County Attainment/Unclassifiable. Millard County Attainment/Unclassifiable. Morgan County Attainment/Unclassifiable. Piute County Attainment/Unclassifiable. Rich County Attainment/Unclassifiable. Salt Lake County Attainment/Unclassifiable. San Juan County Attainment/Unclassifiable. Sanpete County Attainment/Unclassifiable. Sevier County Attainment/Unclassifiable. Summit County Attainment/Unclassifiable. Tooele County Attainment/Unclassifiable. Uintah County Attainment/Unclassifiable. Utah County Attainment/Unclassifiable. Wasatch County Attainment/Unclassifiable. Washington County Attainment/Unclassifiable. Wayne County Attainment/Unclassifiable. Weber County Attainment/Unclassifiable. Utah—Carbon Monoxide
Designated Area Designation Classification Date1 Type Date1 Type Ogden Area Weber County (part) city of Ogden 5/8/01 Attainment Provo Area Utah County (part) city of Provo 1/3/06 Attainment Salt Lake City Area 3/22/99 Attainment Salt Lake County (part), Salt Lake City Rest of State Unclassifiable/Attainment Beaver County Box Elder County Cache County Carbon County Daggett County Davis County Duchesne County Emery County Garfield County Grand County Iron County Juab County Kane County Millard County Morgan County Piute County Rich County Salt Lake County (part) Remainder of Salt Lake County San Juan County Sanpete County Sevier County Summit County Tooele County Uintah County Utah County (part) Remainder of Utah county Wasatch County Washington County Wayne County Weber County (part) Remainder of Weber county Utah—Ozone (1-Hour Standard)2
Designated area Designation Classification Date1 Type Date1 Type Salt Lake City Area: Davis County Attainment Salt Lake County Attainment Rest of State Unclassifiable/Attainment Beaver County Box Elder County Cache County Carbon County Daggett County Duchesne County Emery County Garfield County Grand County Iron County Juab County Kane County Millard County Morgan County Piute County Rich County San Juan County Sanpete County Sevier County Summit County Tooele County Uintah County Utah County Wasatch County Washington County Wayne County Weber County Utah—PM–10
Designated Area Designation Classification Date Type Date Type Salt Lake County 3/27/2020 Attainment Utah County 3/27/2020 Attainment Ogden Area Weber County (part) City of Ogden 3/27/2020 Attainment Rest of State1 11/15/90 Unclassifiable Utah—1997 Annual PM2.5 NAAQS
[Primary and Secondary]
Designated area Designationa Classification Date1 Type Date Type Box Elder County, UT (part): Box Elder County (except Brigham City) Unclassifiable/Attainment Brigham City, UT: Box Elder County (part) Unclassifiable/Attainment The area surrounding Brigham City, as described by the following Townships or the portions of the following Townships in Box Elder County: T9N 2W, T9N R1W, T8N 2W Cache County, UT (part): Cache County (except Lower Cache Valley) Unclassifiable/Attainment Davis County, UT (part): Davis County (except Wasatch Front) Unclassifiable/Attainment Grantsville, UT: Tooele County (part) Unclassifiable/Attainment The area surrounding Grantsville, as described by the following Townships or the portions of the following Townships in Tooele County: T2S R6W, T2S R5W, T2S R4W, T3S R6W, T3S R5W, T3S R4W, T4S R6W, T4S R5W, T4S R4W Lower Cache Valley, UT: Cache County (part) Unclassifiable/Attainment The Cache Valley, below 6500 ft. msl. This area is described by the following list of Townships or the portions of the following Townships in Cache County: T15N R1E, T15N R2W, T15N R1W, T14N R2W, T14N R1W, T14N R1E, T13N R2W, T13N R1W, T13N R1E, T12N R2W, T12N R1W, T12N R1E, T11N R1W, T11N R1E, T10N R1W, T10N R1E, T9N R1E Salt Lake County, UT (part): Salt Lake County (except Wasatch Front) Unclassifiable/Attainment Tooele County, UT (part): Tooele County (remainder) Unclassifiable/Attainment Utah County, UT (part): Utah County (except Wasatch Front) Unclassifiable/Attainment Wasatch Front, UT: Davis County (part) Unclassifiable/Attainment The portion of the Wasatch Front residing in Davis County, as described by the following Townships or the portions of the following Townships in Davis County: T5N R3W, T5N R2W, T5N R1W, T4N R2W, T4N R1W, T3N R1W, T3N R1E, T2N R1W, T2N R1E, T1N R1W, T1N R1E. Salt Lake County (part) Unclassifiable/Attainment The portion of the Wasatch Front residing in Salt Lake County, as described by the following Townships or the portions of the following Townships in Salt Lake County: T1N R2W, T1N R1W, T1N R1E, T1S R3W, T1S R2W, T1S R1W, T1S R1E, T2S R3W, T2S R2W, T2S R1W, T2S R1E, T3S R3W, T3S R2W, T3S R1W, T3S R1E, T4S R3W, T4S R2W, T4S R1W, T4S R1E. Utah County (part) Unclassifiable/Attainment The portion of the Wasatch Front residing in Utah County, as described by the following Townships or the portions of the following Townships in Utah County: T4S R2W, T4S R1W, T4S R1E, T4S R2E, T5S R2W, T5S R1W, T5S R1E, T5S R2E, T6S R3W, T6S R2W, T6S R1W, T6S R2E, T6S R3E, T6S R1E, T7S R3W, T7S R2W, T7S R1W, T7S R1E, T7S R2E, T7S R3E, T8S R3W, T8S R2W, T8S R1W, T8S R3E, T8S R2E, T8S R1E, T9S R3W, T9S R2W, T9S R1E, T9S R3E, T9S R2E, T9S R1W, T10S 2W, T10S R2E, T10S R1E, T10S R1W, T1S R2W, T11S R1W, T12S R2W. Weber County (part) Unclassifiable/Attainment The portion of the Wasatch Front residing in Weber County, as described by the following Townships or the portions of the following Townships in Weber County: T7N R2W, T7N R1W, T7N R3W, T6N R3W, T6N R2W, T6N R1W, T5N R3W, T5N R2W, T5N R1W Weber County, UT (part): Weber County (except Wasatch Front) Unclassifiable/Attainment Rest of State: Beaver County Unclassifiable/Attainment Carbon County Unclassifiable/Attainment Daggett County Unclassifiable/Attainment Duchesne County Unclassifiable/Attainment Emery County Unclassifiable/Attainment Garfield County Unclassifiable/Attainment Grand County Unclassifiable/Attainment Iron County Unclassifiable/Attainment Juab County Unclassifiable/Attainment Kane County Unclassifiable/Attainment Millard County Unclassifiable/Attainment Morgan County Unclassifiable/Attainment Piute County Unclassifiable/Attainment Rich County Unclassifiable/Attainment San Juan County Unclassifiable/Attainment Sanpete County Unclassifiable/Attainment Sevier County Unclassifiable/Attainment Summit County Unclassifiable/Attainment Uintah County Unclassifiable/Attainment Wasatch County Unclassifiable/Attainment Washington County Unclassifiable/Attainment Wayne County Unclassifiable/Attainment Utah—2012 Annual PM2.5 NAAQS
[Primary]
Designated area1 Designation Classification Date2 Type Date2 Type Statewide: Beaver County Unclassifiable/Attainment Box Elder County Unclassifiable/Attainment Cache County Unclassifiable/Attainment Carbon County Unclassifiable/Attainment Daggett County Unclassifiable/Attainment Davis County Unclassifiable/Attainment Duchesne County Unclassifiable/Attainment Emery County Unclassifiable/Attainment Garfield County Unclassifiable/Attainment Grand County Unclassifiable/Attainment Iron County Unclassifiable/Attainment Juab County Unclassifiable/Attainment Kane County Unclassifiable/Attainment Millard County Unclassifiable/Attainment Morgan County Unclassifiable/Attainment Piute County Unclassifiable/Attainment Rich County Unclassifiable/Attainment Salt Lake County Unclassifiable/Attainment San Juan County Unclassifiable/Attainment Sanpete County Unclassifiable/Attainment Sevier County Unclassifiable/Attainment Summit County Unclassifiable/Attainment Tooele County Unclassifiable/Attainment Uintah County Unclassifiable/Attainment Utah County Unclassifiable/Attainment Wasatch County Unclassifiable/Attainment Washington County Unclassifiable/Attainment Wayne County Unclassifiable/Attainment Weber County Unclassifiable/Attainment Utah—1997 24-Hour PM2.5 NAAQS
[Primary and Secondary]
Designated area Designationa Classification Date1 Type Date Type Logan, UT–ID: Cache County (part) Unclassifiable/Attainment. All portions of Cache County west of and including any portion of the following townships located within Utah: Township 15 North Range 1 East; Township 14 North Range 1 East; Township 13 North Range 1 East; Township 12 North Range 1 East; Township 11 North Range 1 East; Township 10 North Range 1 East; Township 9 North Range 1 East. Provo, UT: Utah County (part) Unclassifiable/Attainment. The area of Utah County that lies west of the Wasatch Mountain Range (and this includes the Cities of Provo and Orem) with an eastern boundary for Utah County to be defined as the following Townships: Township 3 South Range 1 East; Township 4 South Range 2 East; Township 5 South Range 3 East; Township 6 South Range 3 East; Township 7 South Range 3 East; Township 8 South Range 3 East; Township 9 South Range 3 East; Township 10 South Range 2 East. Salt Lake City, UT: Box Elder County (part) Unclassifiable/Attainment. The following Townships or portions thereof as noted (including Brigham City): Township 7 North Range 2 West; Township 8 North Range 2 West; Township 9 North Range 2 West; Township 10 North Range 2 West; Township 11 North Range 2 West; Township 12 North Range 2 West; Township 13 North Range 2 West; Township 9 North Range 3 West; Township 10 North Range 3 West; Township 11 North Range 3 West; Township 12 North Range 3 West; Township 13 North Range 3 West; Township 13 North Range 4 West; Township 12 North Range 4 West; Township 11 North Range 4 West; Township 10 North Range 4 West; Township 9 North Range 4 West; Township 13 North Range 5 West; Township 12 North Range 5 West; Township 11 North Range 5 West; Township 10 North Range 5 West; Township 9 North Range 5 West; Township 13 North Range 6 West; Township 12 North Range 6 West; Township 11 North Range 6 West; Township 10 North Range 6 West; Township 9 North Range 6 West; Township 7 North Range 1 West (portion located in Box Elder County); Township 8 North Range 1 West (portion located in Box Elder County); Township 9 North Range 1 West (portion located in Box Elder County). Davis County Unclassifiable/Attainment. Salt Lake County Unclassifiable/Attainment. Tooele County (part) Unclassifiable/Attainment. The following Townships or portions thereof as noted (including Tooele City: Township 1 South Range 3 West; Township 2 South Range 3 West; Township 3 South Range 3 West; Township 3 South Range 4 West; Township 2 South Range 4 West; Township 2 South Range 5 West; Township 3 South Range 5 West; Township 3 South Range 6 West; Township 2 South Range 6 West; Township 1 South Range 6 West; Township 1 South Range 5 West; Township 1 South Range 4 West; Township 1 South Range 7 West; Township 2 South Range 7 West; Township 3 South Range 7 West; all Sections within Township 4 South Range 7 West except for Sections 29, 30, 31 and 32; Township 4 South Range 6 West; Township 4 South Range 5 West; Township 4 South Range 4 West; Township 4 South Range 3 West. Weber County (part) Unclassifiable/Attainment. The area of Weber County that lies west of the Wasatch Mountain Range with an eastern boundary for Weber County to be defined as the following Townships (or portion thereof) extending to the western boundary of Weber County: Township 5 North Range 1 West; Township 6 North Range 1 West; all Sections within Township 7 North Range 1 West located within Weber County except for Sections 1, 2, 3, 4, 11, 12, 13 and 24; Township 7 North Range 2 West (portion located in Weber County). Rest of State: Beaver County Unclassifiable/Attainment. Box Elder County (remainder) Unclassifiable/Attainment. Cache County (remainder) Unclassifiable/Attainment. Carbon County Unclassifiable/Attainment. Daggett County Unclassifiable/Attainment. Duchesne County Unclassifiable/Attainment. Emery County Unclassifiable/Attainment. Garfield County Unclassifiable/Attainment. Grand County Unclassifiable/Attainment. Iron County Unclassifiable/Attainment. Juab County Unclassifiable/Attainment. Kane County Unclassifiable/Attainment. Millard County Unclassifiable/Attainment. Morgan County Unclassifiable/Attainment. Piute County Unclassifiable/Attainment. Rich County Unclassifiable/Attainment. San Juan County Unclassifiable/Attainment. Sanpete County Unclassifiable/Attainment. Sevier County Unclassifiable/Attainment. Summit County Unclassifiable/Attainment. Tooele County (remainder) Unclassifiable/Attainment. Uintah County Unclassifiable/Attainment. Utah County (remainder) Unclassifiable/Attainment. Wasatch County Unclassifiable/Attainment. Washington County Unclassifiable/Attainment. Wayne County Unclassifiable/Attainment. Weber County (remainder) Unclassifiable/Attainment. Utah—2006 24-Hour PM2.5 NAAQS
[Primary and Secondary]
Designated area Designationa Classification Date1 Type Date2 Type Logan, UT–ID: Cache County (part) June 18, 2021 Attainment All portions of Cache County west of and including any portion of the following townships located within Utah: Township 15 North Range 1 East; Township 14 North Range 1 East; Township 13 North Range 1 East; Township 12 North Range 1 East; Township 11 North Range 1 East; Township 10 North Range 1 East; Township 9 North Range 1 East. Provo, UT: Utah County (part) Nonattainment 6/9/17 Serious. The area of Utah County that lies west of the Wasatch Mountain Range (and this includes the Cities of Provo and Orem) with an eastern boundary for Utah County to be defined as the following Townships: Township 3 South Range 1 East; Township 4 South Range 2 East; Township 5 South Range 3 East; Township 6 South Range 3 East; Township 7 South Range 3 East; Township 8 South Range 3 East; Township 9 South Range 3 East; Township 10 South Range 2 East Salt Lake City, UT: Box Elder County (part) Nonattainment 6/9/17 Serious. The following Townships or portions thereof as noted (including Brigham City): Township 7 North Range 2 West; Township 8 North Range 2 West; Township 9 North Range 2 West; Township 10 North Range 2 West; Township 11 North Range 2 West; Township 12 North Range 2 West; Township 13 North Range 2 West; Township 9 North Range 3 West; Township 10 North Range 3 West; Township 11 North Range 3 West; Township 12 North Range 3 West; Township 13 North Range 3 West; Township 13 North Range 4 West; Township 12 North Range 4 West; Township 11 North Range 4 West; Township 10 North Range 4 West; Township 9 North Range 4 West; Township 13 North Range 5 West; Township 12 North Range 5 West; Township 11 North Range 5 West; Township 10 North Range 5 West; Township 9 North Range 5 West; Township 13 North Range 6 West; Township 12 North Range 6 West; Township 11 North Range 6 West; Township 10 North Range 6 West; Township 9 North Range 6 West; Township 7 North Range 1 West (portion located in Box Elder County); Township 8 North Range 1 West (portion located in Box Elder County); Township 9 North Range 1 West (portion located in Box Elder County) Davis County Nonattainment 6/9/17 Serious. Salt Lake County Nonattainment 6/9/17 Serious. Tooele County (part) Nonattainment 6/9/17 Serious. The following Townships or portions thereof as noted (including Tooele City): Township 1 South Range 3 West; Township 2 South Range 3 West; Township 3 South Range 3 West; Township 3 South Range 4 West; Township 2 South Range 4 West; Township 2 South Range 5 West; Township 3 South Range 5 West; Township 3 South Range 6 West; Township 2 South Range 6 West; Township 1 South Range 6 West; Township 1 South Range 5 West; Township 1 South Range 4 West; Township 1 South Range 7 West; Township 2 South Range 7 West; Township 3 South Range 7 West; all Sections within Township 4 South Range 7 West except for Sections 29, 30, 31 and 32; Township 4 South Range 6 West; Township 4 South Range 5 West; Township 4 South Range 4 West; Township 4 South Range 3 West Weber County (part) Nonattainment 6/9/17 Serious. The area of Weber County that lies west of the Wasatch Mountain Range with an eastern boundary for Weber County to be defined as the following Townships (or portion thereof) extending to the western boundary of Weber County: Township 5 North Range 1 West; Township 6 North Range 1 West; all Sections within Township 7 North Range 1 West located within Weber County except for Sections 1, 2, 3, 4, 11, 12, 13 and 24; Township 7 North Range 2 West (portion located in Weber County) Rest of State: Beaver County Unclassifiable/Attainment Box Elder County (remainder) Unclassifiable/Attainment Cache County (remainder) Unclassifiable/Attainment Carbon County Unclassifiable/Attainment Daggett County Unclassifiable/Attainment Duchesne County Unclassifiable/Attainment Emery County Unclassifiable/Attainment Garfield County Unclassifiable/Attainment Grand County Unclassifiable/Attainment Iron County Unclassifiable/Attainment Juab County Unclassifiable/Attainment Kane County Unclassifiable/Attainment Millard County Unclassifiable/Attainment Morgan County Unclassifiable/Attainment Piute County Unclassifiable/Attainment Rich County Unclassifiable/Attainment San Juan County Unclassifiable/Attainment Sanpete County Unclassifiable/Attainment Sevier County Unclassifiable/Attainment Summit County Unclassifiable/Attainment Tooele County (remainder) Unclassifiable/Attainment Uintah County Unclassifiable/Attainment Utah County (remainder) Unclassifiable/Attainment Wasatch County Unclassifiable/Attainment Washington County Unclassifiable/Attainment Wayne County Unclassifiable/Attainment Weber County (remainder) Unclassifiable/Attainment Utah—NO2 (1971 Annual Standard)
Designated area Does not meet primary standards Cannot be classified or better than national standards Entire State X Utah—NO2 (2010 1-Hour Standard)
Designated area Designationa Date1 Type Cache County Unclassifiable/Attainment. Davis County Unclassifiable/Attainment. Salt Lake County Unclassifiable/Attainment. Utah County Unclassifiable/Attainment. Weber County Unclassifiable/Attainment. Rest of State Unclassifiable/Attainment. Utah—1997 8-Hour Ozone NAAQS
[Primary and Secondary]
Designated area Designationa Category/classification Date1 Type Date1 Type Salt Lake City Area: Davis County Unclassifiable/Attainment Salt Lake County Unclassifiable/Attainment Rest of State: Unclassifiable/Attainment Beaver County Box Elder County Cache County Carbon County Daggett County Duchesne County Emery County Garfield County Grand County Iron County Juab County Kane County Millard County Morgan County Piute County Rich County San Juan County Sanpete County Sevier County Summit County Tooele County Uintah County Utah County Wasatch County Washington County Wayne County Weber County Utah—2008 8-Hour Ozone NAAQS
[Primary and Secondary]
Designated area Designation Classification Date1 Type Date1 Type Uinta Basin, UT:2 Unclassifiable Duchesne County Uintah County Ute Indian Tribe of the Uintah & Ouray Reservation3 Rest of State and Rest of Indian Country Unclassifiable/Attainment Utah—2015 8-Hour Ozone NAAQS
[Primary and Secondary]
Designated area1 Designation Classification Date2 Type Date2 Type Northern Wasatch Front, UT Nonattainment November 7, 2022 11/7/22 Moderate. Weber County (part): All portions of Weber County west of and including Townships 5, 6, and that portion of 7 North Range 1 West that are west of the ridgeline that traces the Wasatch Mountains from the southeast corner of the township to the easternmost extension of the county boundary within the township. Tooele County (part): In Tooele County, the following Townships or portions thereof as noted (including Tooele City): Township 1 South Range 3 West. Township 2 South Range 3 West. Township 3 South Range 3 West Township 3 South Range 4 West. Township 2 South Range 4 West. Township 2 South Range 5 West. Township 3 South Range 5 West. Township 3 South Range 6 West. Township 2 South Range 6 West. Township 1 South Range 6 West. Township 1 South Range 5 West. Township 1 South Range 4 West. Township 1 South Range 7 West. Township 2 South Range 7 West. Township 3 South Range 7 West. All Sections within Township 4 South Range 7 West except for Sections 29, 30, 31 and 32. Township 4 South Range 6 West. Township 4 South Range 5 West. Township 4 South Range 4 West. Township 4 South Range 3 West. Salt Lake County. Davis County. Southern Wasatch Front, UT Nonattainment Marginal. Utah County (part): All portions of Utah County west of and including any portion of the following townships located within Utah County: Township 3 South Range 1 East. Township 4 South Range 2 East. Township 5 South Range 3 East. Township 6 South Range 3 East. Township 7 South Range 3 East. Township 8 South Range 3 East. Township 9 South Range 3 East. Township 10 South Range 2 East. Uinta Basin, UT34 8/03/22 Nonattainment November 7, 2022 11/7/22 Marginal. Duchesne County (part): All land in Duchesne County below a contiguous external perimeter of 6,250 ft. in elevation. All areas within that contiguous external perimeter are included in the nonattainment area—including mesas and buttes which may have an elevation greater than 6,250 ft., but which are surrounded on all sides by land lower than 6,250 ft. Additionally, areas that fall outside the 6,250 ft. contiguous external perimeter that have elevations less than 6,250 ft. are excluded from the nonattainment area. The boundary is defined by the 6,250 ft. contour line created from the 2013 USGS 10-meter seamless Digital Elevation Model (USGS NED n41w1101⁄3 arc-second 2013 1 × 1 degree IMG). Uintah County (part): All land in Uintah County below a contiguous external perimeter of 6,250 ft. in elevation. All areas within that contiguous external perimeter are included in the nonattainment area—including mesas and buttes which may have an elevation greater than 6,250 ft., but which are surrounded on all sides by land lower than 6,250 ft. Additionally, areas that fall outside the 6,250 ft. contiguous external perimeter that have elevations less than 6,250 ft. are excluded from the nonattainment area. The boundary is defined by the 6,250 ft. contour line created from the 2013 USGS 10-meter seamless Digital Elevation Model (USGS NED n41w1101⁄3 arc-second 2013 1 × 1 degree IMG). Beaver County 1/16/18 Attainment/Unclassifiable Box Elder Attainment/Unclassifiable Cache County Attainment/Unclassifiable Carbon County Attainment/Unclassifiable Daggett County Attainment/Unclassifiable Duchesne County (part) remainder Attainment/Unclassifiable Emery County 1/16/18 Attainment/Unclassifiable Garfield County 1/16/18 Attainment/Unclassifiable Grand County Attainment/Unclassifiable Iron County 1/16/18 Attainment/Unclassifiable Juab County Attainment/Unclassifiable Kane County 1/16/18 Attainment/Unclassifiable Millard County 1/16/18 Attainment/Unclassifiable Morgan County Attainment/Unclassifiable Piute County 1/16/18 Attainment/Unclassifiable Rich County Attainment/Unclassifiable San Juan County 1/16/18 Attainment/Unclassifiable Sanpete County Attainment/Unclassifiable Sevier County 1/16/18 Attainment/Unclassifiable Summit County Attainment/Unclassifiable Tooele County (part) remainder Attainment/Unclassifiable Uintah County (part) remainder Attainment/Unclassifiable Utah County (part) remainder Attainment/Unclassifiable Wasatch County Attainment/Unclassifiable Washington County 1/16/18 Attainment/Unclassifiable Wayne County 1/16/18 Attainment/Unclassifiable Weber County (part) remainder Attainment/Unclassifiable Utah—2008 Lead NAAQS
Designated area Designation for the 2008 NAAQSa Date1 Type Whole State Unclassifiable/Attainment. [43 FR 8964, Mar. 3, 1978]