CFR 40-63.8-2014 Protection of Environment. Part63:National emission standards for hazardous air pollutants for source categories. Section63.8:Monitoring requirements.
(a) Applicability. (1) The applicability of this section is set out in § 63.1(a)(4).
CFR 40-63.8-2014 history
2014CFR 40-63.8-2014 Protection of Environment. Part63:National emission standards for hazardous air pollutants for source categories. Section63.8:Monitoring requirements.