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{longname} Q67. Where the heat input capacity of a combustion unit is less than 250 mmBtu per hour input capacity and the unit is not subject to Tier 3 or 4 per Subpart Y of Part 98, and where there might be more than one fuel type fed to the same combustion unit, can the Tier 2 method be used to calculate emissions by using measured HHV values of input streams or a measured HHV of the mixed stream? {longname} |
A67.
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For
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fuels
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that
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are
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blended
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prior
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to
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combustion,
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you
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may:
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(1)
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use
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the
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weighted
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HHV
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value
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based
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on
...
the
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relative
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proportion
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of
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each
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fuel
...
in
...
the
...
blend
...
and
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a
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weighted
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average
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CO2
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emission
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factor
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from
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Table
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C-1;
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or
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(2)
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use
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the
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HHV
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value
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determined
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by
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collecting
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and
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analyzing
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a
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representative
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sample
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of
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the
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blended
...
fuel
...
and
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using
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a
...
weighted
...
average
...
CO2
...
emission
...
factor
...
from
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Table
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C-1,
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based
...
on
...
the
...
relative
...
portion
...
of
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each
...
fuel
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in
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the
...
blend.
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See
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98.34(a)(3).
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{show-to:group=confluence-Users} {info} Source: This question and answer was derived from a Legacy FAQ \\ Approval / Publishing History: Version 1, approved by M. Hannan, 1/23/2013 \\ Expiration: none \\ Relevant Subparts: Subpart x {info}{center}{_}History Panel For Internal Use - Not Visible to the Public{_}{center}{show-to} |
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