StacksVerified U.S. federal law reference

40 CFR Part 98, Table I-10 — Maximum Field Detection Limits Applicable to Fluorinated GHG Concentration Measurements for Stack Systems

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Fluorinated GHG AnalyteMaximum fielddetectionlimit (ppbv)
CF420
C2 F620
C3 F820
C4 F620
C5 F820
c-C4 F820
CH2 F240
CH3 F40
CHF320
NF320
SF64
Other fully fluorinated GHGs20
Other fluorinated GHGs40

ppbv—Parts per billion by volume.

[78 FR 68228, Nov. 13, 2013]