1. Treatment, Storage, and Disposal (TSD) Workers
HAZWOPER
Treatment, Storage, and Disposal (TSD) Workers

2. Health hazards and hazardous substances at TSD facilities
Major chemicals include:
trichloroethylene
lead
toluene
benzene
PCBs
chloroform 1a

3. Health hazards and hazardous substances at TSD facilities
Major chemicals include:
perchloroethylene
phenol
arsenic
cadmium
chromium
methyl chloroform 1b

4. Health hazards and hazardous substances at TSD facilities
All parts of the body can be affected by chemicals
The majority of toxic substances enter the body through breathing 1c

5. Health hazards and hazardous substances at TSD facilities
Other means include absorption, ingestion, and injection 1d

6. Health hazards and hazardous substances at TSD facilities
Chemical exposures are divided into two groups:
Acute
Chronic 1e

7. Health hazards and hazardous substances at TSD facilities
Symptoms from acute exposures occur during or shortly after exposure to a high concentration
Symptoms from chronic exposures occur over longer periods of time after exposures to low concentrations 1f

8. Health hazards and hazardous substances at TSD facilities
Limits used to determine exposure include:
Permissible exposure limits
Threshold limit values
Short-term exposure limits
Ceiling limits
Time-weighted average 1g

9. Health hazards and hazardous substances at TSD facilities
Sampling methods include:
personal sampling
water sampling
soil testing
drum sampling
compatibility testing 1h

10. Health hazards and hazardous substances at TSD facilities
Sampling instruments include:
oxygen meters
combustible gas indicators
colorimetric detector tubes
personal alarm systems 1i