ozone nonattainment area
88 FR 70602
10/12/2023
Update Type
Final Rules

EPA amended its reformulated gasoline regulations to reflect the reclassification of several ozone nonattainment areas as severe for the 2008 ozone NAAQS.

Volume
53
Issue
12
Update Volume
53
Update Issue
29
88 FR 55576
08/16/2023
Update Type
Final Rules

SIP Approval: New Jersey (revisions to 2017 calendar year ozone precursor emission inventory for volatile organic compounds, nitrogen oxides, and carbon monoxide for the Northern New Jersey portion of the New York-Northern New Jersey-Long Island NY-NJ-CT ozone nonattainment area and the Southern New Jersey portion of the Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE ozone nonattainment area).

Volume
53
Issue
10
Update Volume
53
Update Issue
23
88 FR 45373
07/17/2023
Update Type
Proposed Rules

SIP Proposal: Connecticut (revisions to the state’s definition of "severe non-attainment area for ozone").

Volume
53
Issue
9
Update Volume
53
Update Issue
21
84 FR 44801
08/27/2019
Update Type
Proposed Rules

EPA proposed deadlines for California to submit an extreme ozone nonattainment area plan for the Coachella Valley 1997 ozone nonattainment area as well as revisions to the new source review and Title V rules applicable to the area.

Volume
49
Issue
10
Update Volume
49
Update Issue
25
84 FR 41674
08/15/2019
Update Type
Proposed Rules

EPA proposed to determine that the Denver-Boulder-Greeley-Ft. Collins-Loveland, Colorado, nonattainment area failed to attain the 2008 ozone NAAQS by its applicable attainment date.

Volume
49
Issue
10
Update Volume
49
Update Issue
23
84 FR 32076
07/05/2019
Update Type
Final Rules

SIP Approval: Pennsylvania (removal of motor gasoline volatility requirements for the Allegheny County portion of the Pittsburgh-Beaver Valley ozone nonattainment area).

Volume
49
Issue
9
Update Volume
49
Update Issue
20
84 FR 18145
04/30/2019
Update Type
Final Rules

SIP Approval: Texas (reasonably available control technology in the Houston-Galveston-Brazoria ozone nonattainment area).

Volume
49
Issue
6
Update Volume
49
Update Issue
13
84 FR 17762
04/26/2019
Update Type
Proposed Rules

SIP Proposal: Pennsylvania (removal of motor gasoline volatility requirements for the Allegheny County portion of the Pittsburgh-Beaver Valley ozone nonattainment area).

Volume
49
Issue
6
Update Volume
49
Update Issue
12
84 FR 4029
02/14/2019
Update Type
Proposed Rules

EPA proposed to determine that the Pechanga Reservation nonattainment area failed to attain the 2008 ozone NAAQS by its applicable moderate area attainment date.

Volume
49
Issue
4
Update Volume
49
Update Issue
6
83 FR 62998
12/06/2018
Update Type
Final Rules

EPA finalized nonattainment area and ozone transport region implementation requirements for the 2015 ozone NAAQS that were promulgated on October 1, 2015.

Volume
49
Issue
2
Update Volume
48
Update Issue
35

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