TM 5-815-1/AFR 19-6
MMBtu) to grains per standard cubic foot (gr/std ft3)
excessive amounts of moisture or when steam atomiza-
tion or a water quenching system is employed.
dry basis is accomplished by equation 3-1.
c. A blue or light blue plume may be produced by
the burning of high sulfur fuels. However; the color is
only observed when little or no other visible emission
is present. A blue plume may also be associated with
the burning of domestic trash consisting of mostly
paper or wood products.
d. Brown to yellow smoke may be produced by pro-
cesses generating excessive amounts of nitrogen diox-
ide. It may also result from the burning of semi-solid
tarry substances such as asphalt or tar paper encoun-
tered in the incineration of building material waste.
3-9. Sample problems of emission estima-
ting
a. Data Conversion. Pounds per million Btu (lb/
3-6
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