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To County Commissioners Date July 9 , 1975
COLORADO From
subject: Application of oil sludge on County roads for dust
abatement
As per your instructions last week the following is my report on
placing oil sludge on County Roads for dust abatement .
The type of oil proposed is called Condensate , which is oil that
has flammable liquids mixed in it which comes from the gas wells .
This Condensate also has a very large amount of water and water
gel also mixed in with it . The dust abatement property in this
Condensate is a low grade of crude oil .
I would recommend that 2 applications of approximately of . 15
gallons per square yard be applied to the road.
All traffic should be kept off of the road for a period of at
least 4 to 6 hours to allow the volatile liquids in this
Condensate to properly evaporate . The new cars with their
hot mufflers could be a serious problem on these roads since
these mufflers generate a large amount of heat .
The Condensate should be applied by a spray bar attached to
the tank truck. The tank truck should not be allowed to simply
open the valve and spill the oil over the road.
Proper signs and barricades should be placed and we should have
men maintaining these barricades during the time we are prohibiting
traffic from using this road.
Additional signs should temporarily be placed denoting fresh oil
ahead for several days after application of the Condensate.
If the material is used from oil wells then a single application
of approximately . 15 gallons per square yard is sufficient .
I would suggest that we have a test section set up to evaluate
usin this type oil and to evaluate the exact amount to be placed.
Richard L. Straub
750771
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