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Does NSPS OOOOb
apply to your facility?

Free 5-question applicability check encoded directly from 40 CFR Part 60 Subpart OOOOb. Returns the verdict plus the per-component obligations (pneumatic controllers, storage vessels, fugitives, compressors, completions) that follow. Built for EHS managers, regulatory compliance leads, and sustainability VPs at non-supermajor operators.

Check applicability → Book a Methane Readiness Engagement
Nov 30, 2026
Earliest first OOOOb annual report due
EPA April 6, 2026 final rule extending burden timing
Dec 6, 2022
OOOOb trigger date — applies to construction / modification / reconstruction commenced on or after
40 CFR 60 Subpart OOOOb
4×
U.S. O&G methane vs EPA estimates (MethaneSAT)
ACP 26, 5961 (2026); EDF press release

Tell us about your facility

If pre-Dec 6, 2022 AND no modification, OOOOb does not apply (OOOOa might).

Check every category present at this facility. Each one maps to a specific OOOOb obligation.