2021-11395: Rescission of Clean Data Determination and Call for Attainment Plan Revision for the Yuma, AZ 1987 PM10 Moderate Nonattainment Area
Public comment closed .
Get alerted when the next rule lands
New rules open for comment on their own schedule. Pick how you want to hear about them — we email you when one appears.
Publishing to members? Embed a live rule tracker on your own site — the proposed rules in your area and the comment deadlines closing on them, updating themselves. Free, one line of HTML.
Create a free account & build one →Summary
The Environmental Protection Agency (EPA) is proposing to rescind its previously issued clean data determination for the Yuma, Arizona "Moderate" nonattainment area for the 1987 24-hour national ambient air quality standard (NAAQS) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM<INF>10</INF>) because recent complete, quality-assured monitoring data show that the area has subsequently violated this NAAQS. We are also proposing to find that the Arizona State Implementation Plan (SIP) is substantially inadequate to attain or maintain the PM<INF>10</INF> standard and to call for Arizona to revise the SIP to address this inadequacy.
The agency’s own summary, as published.
What this changes
Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.
Don't miss the comment window
One Click Politics alerts you on every deadline, hearing, and rule change.
See all rules with comments due soon →