The design of engineering measures to control exposure.

DOE-STD-1138-2000

h. Discuss the difficulties of optimizing PPE in a complex, multiexposure environment.

Discuss the use and limitations of PPE in a heat stress environment.

12.

Industrial hygiene personnel shall demonstrate a working level knowledge of the

design of engineering measures to control exposure.

Supporting Knowledge and/or Skills

a. Discuss basic design principles for heating, ventilation, and air conditioning (HVAC)

systems, including the following:

Local exhaust ventilation

Dilution ventilation

Air recirculation

Make-up air supply

b. Describe the design principles and performance of air cleaners and explain the

roles they play in minimizing worker exposure to chemicals and biological hazards.

c. Discuss the interpretation and applicability of regulations and standards governing

ventilation systems.

d. Describe the following environmental factors:

Atmospheric dispersion modeling

Control of hypo- and hyper-baric conditions

Psychometry

e. Discuss the principles of isolation and enclosure as they relate to the following:

Noise

Radiation

Discuss the economic feasibility parameters of the following:

Engineering controls, including process change and substitution

Administrative controls

Personnel protective equipment

g. Discuss how engineering controls may be implemented for each of the following:

Non-ionizing radiation

Noise

Vibration

Repetitive motions

Lifting heavy objects

Heat and humidity

Cold stress