Air Contaminants

Air contaminants are: Dusts Mists Fumes Vapors Gases 1a

OSHA's Permissible Exposure Limits (PELs): Ceiling Values 8-Hour Time Weighted Averages Acceptable Ceiling Concentrations 2a

OSHA's Permissible Exposure Limits (PELs): Acceptable Maximum Peak Above the Acceptable Ceiling Concentrations Skin Designation Reference to another OSHA standard 2b

PELs are given in: ppm mg/m3 Mppcf 2c

Air monitoring survey protocols Purpose of survey Where to sample What to sample 3a

Air monitoring survey protocols Who to sample Number of samples Collection and analysis 3b

Sampling methods Direct reading instruments Grab samples Passive dosimeters Active dosimeters Other 3c

Determining exposures E = (Ca x Ta + Cb x Tb + . . . Cn x Tn) 8 E is the equivalent exposure C is the concentration of contaminant T is the duration of exposure 4a

Control measures Engineering Administrative PPE 5a

Engineering controls Ventilation Equipment design 5b

Administrative controls Substitution Procedures for use Scheduling 5c

PPE Respirators Gloves Eye and face protection Chemical-resistant clothing 5d