Table 1-3. Corrosion Prevention Materials and Their Hazards (Con`t).
whatsoever, to severe poisoning. The exact reason for
1-13. Toxic Dosages.
this is unknown.
a. Rustproofing material is toxic. This means that it
can be harmful to the human body. If properly handled
and applied, the toxic hazard rating of rustproofing
1-14. Toxic Hazard Ratings.
material is slight to moderate. The factors that
determine the toxicity of rustproofing material are:
a. Toxic dosage is measured in threshold limits.
These limits are set by the American Conference of
The amount of the material suspended in the air
Governmental Industrial Hygienists (ACGIH), and
(measured in parts per million).
represent conditions under which a majority of workers
can be repeatedly exposed to airborne concentrations
The duration of exposure (or the amount of time
of rustproofing material without a harmful effect.
the rustproofer remains in the contaminated
b. The toxicity hazard itself is measured by each
unit's Safety Office or Logistics Officer. It is measured
The size of the rustproofing materials' airborne
in parts per million (ppm).
c. Table 1-5 indicates the threshold limits and their
toxicity. This table provides acceptable standards that
The individual's sensitivity to the rustproofing
represent a time-weighted average concentration for a
normal eight hour, five day work week. The threshold
limit value for rustproofing material is 500 ppm. If
The reaction of different people exposed to
airborne concentrations of the material exceed this
rustproofing material and application hazards `may vary
limit during a normal work week, the operation must be
widely. Individuals subjected to the same duration and
shut down until the air is cleared.
concentration may have reactions as unlike as no effect