longname |
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{longname} Q733. What percentage of emissions from petroleum and natural gas systems are reported under the GHGRP? {longname} |
A733.
...
EPA
...
does
...
not
...
have
...
an
...
exact
...
estimate
...
of
...
what
...
percent
...
of
...
U.S.
...
emissions
...
are
...
covered
...
under
...
petroleum
...
and
...
natural
...
gas
...
systems
...
at
...
this
...
time.
...
The
...
petroleum
...
and
...
natural
...
gas
...
systems
...
source
...
category
...
(Subpart
...
W)
...
requires
...
reporting
...
from
...
facilities
...
above
...
an
...
emissions
...
threshold
...
of
...
25,000
...
metric
...
tons
...
CO2e.
...
It
...
is
...
difficult
...
to
...
quantify
...
what
...
net
...
emissions
...
occurr
...
below
...
the
...
threshold.
...
In
...
addition,
...
facilities
...
below
...
the
...
threshold
...
may
...
not
...
be
...
directly
...
comparable
...
to
...
facilities
...
over
...
the
...
emission
...
threshold
...
due
...
to
...
differences
...
in
...
the
...
types
...
of
...
emission
...
sources
...
covered.
...
EPA
...
will
...
continue
...
to
...
analyze
...
the
...
emissions
...
from
...
reports
...
as
...
well
...
as
...
linking
...
the
...
information
...
to
...
the
...
US
...
GHG
...
Inventory
...
to
...
identify
...
what
...
fraction
...
of
...
emissions
...
from
...
petroleum
...
and
...
natural
...
gas
...
systems
...
are
...
covered
...
by
...
the
...
GHGRP.
...
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{info}
Source: Brian Cook, 2/1/2013 (W Data release FAQs 2-1-13 3pm (2).doc), A. McKittrick 9/30/2013
Approval / Publishing History: Version 1
Expiration: none
Relevant Subpart/Component: Subpart W, General
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