TQM - correct answer ✔✔Total Quality Management
PNC - correct answer ✔✔Preferred Noise Criteria – Level of outside noise tolerable by a receiver
STC - correct answer ✔✔Sound Transmission Class - Deals with airborne sound impact on floors and
walls
IIC - correct answer ✔✔Impact Isolation Class - Deals with sound insulation impact on floors and walls
NRC - correct answer ✔✔Noise reduction coefficient - compare absorptive capabilities of acoustic
material
ICC - correct answer ✔✔International code counsil
IBC - correct answer ✔✔Internation building counsil
UBC - correct answer ✔✔Uniform Building Code
BOCA - correct answer ✔✔Building Officials and Code Administrators International
SBCCI - correct answer ✔✔Southern Building Code Congress International
NFPA - correct answer ✔✔National fire Protection Association
ASTM - correct answer ✔✔American Society for Testing Materials