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In previous years, the dryers exhaust vented between
2 and 4 tons of particulate per hour. In 1973, Fabric
filters were installed and removed the problem. The Power-
house, D.R.S., and tailings are the main Plantsite emission
sources remaining. Considerable (over 80%) particulate
reduction has been achieved at the tailings by institution
of a dust agglomeration system. Mill process and dust
control air is Fabric filtered and recirculated internally
and thus is not considered an atmospheric emission.

3. MISCELLANEOUS

Minor emissions to atmosphere occur as vehicle exhausts,
furnace exhausts and process leakage. Such sources are of a
relatively insignificant nature and are not considered to
constitute a problem at the present time.

4, TOTAL EMISSION PROFILE

The data as shown on Tables 4 and 5 clearly indicates
the main source of emissions. The 1974 total emission
estimate of 12152 tons particulate is considered reasonably
reliable, and is distributed according to Table 6

46.9% of total emission is from point sources, and 53.1%
is of the fugitive type. Table 7 indicates emission estimates
from previous years, and also resultant emissions anticipated
if reduction techniques as outlined in Section IV are insti-
tuted.

lt should be noted that both fugitive sources and point
sources are included in Table 7. As better control is
instituted at point sources, the major emissions emanate from
fugitive sources in an increasing percentage of the total pro-
file. Table 8 clarifies this relationship.