1. Air Contaminants

2. Air contaminants are:
Dusts
Mists
Fumes
Vapors
Gases 1a

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

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

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

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

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

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

9. 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

10. Control measures
Engineering
Administrative
PPE 5a

11. Engineering controls
Ventilation
Equipment design 5b

12. Administrative controls
Substitution
Procedures for use
Scheduling 5c

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