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{longname} Q83. For diesel fuel (e.g., No. 1 or No. 2 fuel oil) shipments that are received 1 or 2 times a year, is it sufficient to sample the fuel carbon content upon receipt of each shipment for Tier 3? {longname} |
A83.
...
Yes.
...
If
...
you
...
are
...
using
...
Tier
...
3
...
to
...
estimate
...
emissions
...
from
...
fuel
...
oil,
...
analysis
...
of
...
at
...
least
...
one
...
representative
...
sample
...
from
...
each
...
fuel
...
lot
...
is
...
required.
...
Alternatively,
...
you
...
may
...
analyze
...
a
...
sample
...
taken
...
upon
...
each
...
addition
...
of
...
oil
...
to
...
the
...
storage
...
tank.
...
Flow
...
proportional
...
sampling,
...
continuous
...
drip
...
sampling,
...
or
...
daily
...
manual
...
oil
...
sampling
...
may
...
also
...
be
...
used,
...
in
...
lieu
...
of
...
sampling
...
each
...
fuel
...
lot.
...
If
...
the
...
daily
...
manual
...
oil
...
sampling
...
option
...
is
...
selected,
...
sampling
...
from
...
a
...
particular
...
tank
...
is
...
required
...
only
...
on
...
days
...
when
...
oil
...
from
...
the
...
tank
...
is
...
combusted
...
by
...
the
...
unit
...
(or
...
units)
...
served
...
by
...
the
...
tank.
...
If
...
you
...
elect
...
to
...
sample
...
from
...
the
...
storage
...
tank
...
upon
...
each
...
addition
...
of
...
oil
...
to
...
the
...
tank,
...
you
...
must
...
take
...
at
...
least
...
one
...
sample
...
from
...
each
...
tank
...
that
...
is
...
currently
...
in
...
service
...
and
...
whenever
...
oil
...
is
...
added
...
to
...
the
...
tank,
...
for
...
as
...
long
...
as
...
the
...
tank
...
remains
...
in
...
service.
...
You
...
need
...
not
...
take
...
any
...
samples
...
from
...
a
...
storage
...
tank
...
while
...
it
...
is
...
out
...
of
...
service.
...
Rather,
...
take
...
a
...
sample
...
when
...
the
...
tank
...
is
...
brought
...
into
...
service
...
and
...
whenever
...
oil
...
is
...
added
...
to
...
the
...
tank,
...
for
...
as
...
long
...
as
...
the
...
tank
...
remains
...
in
...
service.
...
If
...
multiple
...
additions
...
of
...
oil
...
are
...
made
...
to
...
a
...
particular
...
in
...
service
...
tank
...
on
...
a
...
given
...
day
...
(
...
e.g.,
...
from
...
multiple
...
deliveries),
...
one
...
sample
...
taken
...
after
...
the
...
final
...
addition
...
of
...
oil
...
is
...
sufficient.
...
(See
...
§98.34(b)(3)(ii).)
...
However,
...
if
...
fuels
...
from
...
different
...
shipments
...
are
...
blended
...
prior
...
to
...
combustion,
...
either:
...
(a)
...
accurate
...
measurement
...
of
...
the
...
mass
...
or
...
volume,
...
carbon
...
content,
...
and
...
(if
...
applicable),
...
molecular
...
weight
...
of
...
each
...
component
...
must
...
be
...
performed
...
prior
...
to
...
blending
...
t
...
,
...
or
...
(b)
...
the
...
blend
...
can
...
be
...
treated
...
as
...
the “fuel type” and accurate measurement of the mass or volume, carbon content, and (if applicable), molecular weight of the blend must be performed. (See §98.34(b)(3)(v).)
...
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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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