TM 5-830-3/AFM 88-17, Chap. 3
regardless of the expected traffic. The soil surface
b. Weather extremes accelerate the aging and/or
features described in paragraph b and d cannot be
deterioration of most materials and dust palliatives are
treated and do not need treatment for dust control in the
no exception. Many of the liquid dust palliatives must be
stated condition. Normal earth moving methods can be
stored, placed, and permitted to cure at temperatures
employed in most situations to upgrade dust producing
above 40 degrees Fahrenheit. Agronomic methods
areas to the condition described in paragraph c.
should be initiated at the onset of the growing season
which may be limited to a few weeks. Some dust
palliatives become brittle when exposed to extreme cold
2-6. Climate
and should not be trafficked during these periods, while
a. The climate in the area where dust control is
others leach from the soil during rain storms. At
desired could adversely affect the dust palliative(s)
temperatures above 90 degrees Fahrenheit many
during storage (prior to placement), during placement
bituminous products become tacky.
Salts become
(the construction and/or cure period), and after
ineffective during extended periods of no rainfall
placement. The climate at the time of placement and
whenever the humidity falls below approximately 30
after placement should be considered by the designer
percent.
before adjust palliative is selected.
2-3
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