CORRECT ANSWERS
in. WC - CORRECT ANSWERS inches of Water Column (pressure)
psi - CORRECT ANSWERS pounds per square inch (pressure)
NG - CORRECT ANSWERS Natural Gas
LPG - CORRECT ANSWERS Liquified Petroleum Gas
psig - CORRECT ANSWERS pounds per square inch gauge (pressure)
psia - CORRECT ANSWERS pounds per square inch absolute (pressure)
ASME - CORRECT ANSWERS American Society of Mechanical Engineers
DOT - CORRECT ANSWERS Department of Transportation
TC - CORRECT ANSWERS Transport Canada
Btu/hr - CORRECT ANSWERS British Thermal Units per Hour (energy)
OPD - CORRECT ANSWERS Overfilling Prevention Devices