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{longname} Q287. How does one handle the calculation of blends such as R-410A? Do we calculate on the basis of the components, e.g., HFC-125 and HFC-32? {longname} |
A287.
...
Yes,
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you
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calculate
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the
...
CO2
...
equivalent
...
of
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an
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HFC
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blend
...
by
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breaking
...
out
...
the
...
mass
...
of
...
the
...
blend
...
into
...
the
...
masses
...
of
...
its
...
component
...
HFCs,
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converting
...
the
...
mass
...
of
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each
...
of
...
those
...
HFCs
...
into
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CO2
...
equivalents,
...
and
...
then
...
adding
...
together
...
the
...
CO2
...
equivalents
...
of
...
all
...
components.
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For
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example,
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if
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you
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imported
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20
...
metric
...
tons
...
of
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R-410A
...
(composed
...
of
...
50%
...
HFC-125
...
and
...
50%
...
HFC-32
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by
...
weight),
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you
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would
...
break
...
out
...
the
...
20
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metric
...
tons
...
into
...
10
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metric
...
tons
...
of
...
HFC-125
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and
...
10
...
metric
...
tons
...
of
...
HFC-32.
...
You
...
would
...
then
...
convert
...
each
...
of
...
those
...
masses
...
into
...
CO2
...
equivalents:
...
28,000
...
mtCO2e
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for
...
the
...
10
...
tons
...
of
...
HFC-125
...
and
...
6,500
...
mtCO2e
...
for
...
the
...
10
...
tons
...
of
...
HFC-32.
...
You
...
would
...
then
...
add
...
these
...
together
...
to
...
get
...
the
...
CO2
...
equivalents
...
of
...
the
...
blend:
...
34,500
...
mtCO2e
...
in
...
this
...
example.
...
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{info}
Source: This question and answer was derived from a Legacy FAQ
Approval / Publishing History: Version 1
Expiration : none
Relevant Subparts: Subpart OO
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