...
If
...
the
...
HHV
...
is
...
not
...
sampled
...
at
...
the
...
minimum
...
frequency
...
required
...
for
...
Tier
...
2,
...
as
...
part
...
of
...
your
...
routine
...
operations,
...
Tier
...
1
...
may
...
be
...
used
...
if
...
your
...
units are
| Wiki Markup |
|---|
are {html}≤ {html} |
250
...
mmBtu/hr
...
and
...
the
...
fuel
...
is
...
listed
...
in
...
Table
...
C-1.
...
However,
...
if
...
HHV
...
data
...
are
...
obtained
...
at
...
the
...
minimum
...
required
...
frequency,
...
then
...
either
...
Tier
...
2
...
must
...
be
...
used,
...
or
...
you
...
may
...
opt
...
to
...
use
...
Tier
...
3
...
or
...
4.
...
(See,
...
ยงยง98.33(b)(1),
...
and
...
98.34(a))
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