O
Odor
OSHA
Offset
Ohm
On-location
Onset
Open drying process
Open web steel joist
Open wiring
Organic
Oxidant
Oxidation
Oxidation number
Oxidizing agent
Oxygen
Ozone
Ozonization
Oxyacid
P
Pack-out
Pad
Parapet
Particle concentration meter and counter
Particles of incomplete combustion
Pathogen
Permeance factor
Permeate
Personal Protection Equipment
PH
Phosphate
Pier
Pesticide
Pilaster
Plaster
Plastic fire
Plate
Plenum
Plinth
Polychlorinated biphenyl
Polymer
Polymerization
Polyvinyl chloride
Pop[corn ceiling texture
Porous
Post-conditions
Potable
Pre-existing conditions
Prefabricated building
Pressure (Power) washing
Pressurized smoke
Protein
Protein fire
Psychrometer
Psychrometric chart
Psychrometric drying principals
Public adjuster
Puff back
Punch list
Purlin
Q
Quaternary ammonium chloride Quality assurance Quality control
R
Radiation
Rafter
Rake
Rayon
Readings
Reduction
Relative humidity
Remove and reset
repair
Re-shoring
Residue
Residual
resilient flooring
Resin
Restoration
Restorative cleaning
Restorative drying
Retardent
Ridge beam
Riser
Rust
R-value
