TM 5-830-3/AFM 88-17, Chap. 3
Table 4-3. Dust palliative numbers for dust control in traffic area.
NOTE: Numbers refer to palliative numbers listed in table 4-4.
* Hillside (ref para 2-3) applications for liquid dust palliatives should be reduced by half
and then repeated if necessary to avoid runoff/waste.
** Upgrade to a firm condition.
concentrate to volume of water and should be viewed as
a necessary procedure before a particular liquid can be
All liquid dust palliatives present a better finished product
sprayed. The water is a necessary vehicle to get the
when they are sprayed over an area that has been
dust palliative on the ground. The stated application rate
prewet with water. The actual amount of prewet water
is for the dust palliative (only). When high dilution ratios
varies but usually ranges from 0.03 to 0.15 gallons per
square yard. The prewet water should not-be allowed to
are required to spray adjust palliative, extra care should
pond on the surface and all exposed soil should be
be taken to prevent the mixture flowing into adjacent
completely dampened.
The performance of brine
areas where, treatment may be unnecessary and/or into
materials is enhanced by increasing the amount of
drainage ditches. Two or more applications may be
prewet water two to three times the usual
necessary to achieve the desired application rate.
recommendation. However the water should not be
Considerable time can be saved by first determining the
allowed to pond, and the fine sized particles should not
minimum dilution that permits a dust palliative to be
be washed away.
sprayed.
4-6. Prewet
4-4
Previous Page
