Environmental Engineering Reference
In-Depth Information
FIGURE 4.2 Another hazardous material identification system. Shades of gray
indicate background colors.
Key for Personal Protective Equipment
A. Safety glasses G. Safety glasses, gloves, vapor respirator
B. Safety glasses, gloves H. Splash goggles, gloves, chemical apron, vapor
respirator
C. Safety glasses, gloves, chemical apron I. Safety glasses, gloves, dust and vapor respirator
D. Face shield, gloves, dust respirator
J. Splash goggles, gloves, chemical apron, dust
and vapor respirator
E. Safety glasses, gloves, dust respirator
K. Air line, hood or mask, gloves, full chemical
suit, boots
F. Safety glasses, gloves, chemical apron,
dust respirator
X. Ask supervisor
Additional information
Route of entry—entry of chemical into body—ingestion, inhalation, absorption
Health hazard—effects of overexposure—acutely toxic, corrosive, or irritant
Physical hazard—characteristics which make chemical hazardous—explosive, oxidizer
flammable
Target organs—organs affected by overexposure—central nervous system, liver, kidneys
4.5. PERSONNEL EXPOSURE
4.5.1. Gases
Both compressed and liquefied gases are commonly found in the field. Compressed
gases, such as nitrogen, oxygen, acetylene, propane, and helium, are common in a variety
of agricultural and manufacturing facilities. If the top of one of these tanks is broken off,
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