"Ambient air" means that portion of the atmosphere which is external to buildings, structures, facilities or installations to which the public has access.
Nev. Admin. Code § 445B.018
NRS 445B.210
"Ambient air" means that portion of the atmosphere which is external to buildings, structures, facilities or installations to which the public has access.
Nev. Admin. Code § 445B.018
NRS 445B.210