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{longname} Q138. Please explain what High Heat Value (HHV) testing is and how a school's EH&S personnel would know if this is occurring? {longname} |
A138.
...
High
...
heat
...
value
...
(HHV)
...
is
...
a
...
measure
...
of
...
the
...
energy
...
content
...
of
...
a
...
fuel
...
that
...
is
...
defined
...
in
...
§98.6
...
as
...
follows:
...
"High
...
heat
...
value
...
or
...
HHV
...
means
...
the
...
high
...
or
...
gross
...
heat
...
content
...
of
...
the
...
fuel
...
with
...
the
...
heat
...
of
...
vaporization
...
included.
...
The
...
water
...
is
...
assumed
...
to
...
be
...
in
...
a
...
liquid
...
state."
...
Your
...
fuel
...
supplier
...
may
...
perform
...
HHV
...
sampling
...
and
...
analysis
...
and
...
provide
...
you
...
with
...
the
...
results.
...
If
...
the
...
supplier
...
uses
...
a
...
method
...
cited
...
in
...
the
...
rule
...
(see
...
§98.34(a)(6)),
...
provides
...
the
...
data
...
at
...
the
...
required
...
frequency
...
(see
...
§98.34(a)(2)),
...
and
...
supplies
...
the
...
necessary
...
records
...
describing
...
the
...
methods
...
used
...
and
...
frequency,
...
you
...
must
...
use
...
the
...
Tier
...
2
...
method
...
to
...
estimate
...
emissions
...
unless
...
Tier
...
1
...
is
...
permitted
...
by
...
§98.33(b)(1)(ii),
...
§98.33(b)(1)(v),
...
§98.33(b)(1)(vi),
...
and
...
or
...
§98.33(b)(1)(vii)
...
,
...
+or
...
,+
...
either
...
Tier
...
3
...
or
...
4
...
is
...
required.
...
(See
...
also
...
§98.33(b)(1)(iv),
...
§98.33(b)(3),
...
and
...
§98.33(b)(4).)
...
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{info}
Source: This question and answer was derived from a Legacy FAQ, revised by M. Hannan, 1/23/2013
Approval / Publishing History: Version 2, approved by L. Grogan-McCulloch, 2/13/2013
Expiration: none
Relevant Subparts: Subpart C
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