March
26,
2004
MEMORANDUM
TO:
EPA
Air
Docket
OAR­
2003­
0012
FROM:
William
Charmley
Office
of
Transportation
and
Air
Quality
U.
S.
EPA
SUBJECT:
Conference
Call
between
US
EPA
and
California
Air
Resources
Board
to
Discuss
Nonroad
Tier
4
Proposal
On
May
21,
2003
staff
of
the
US
EPA
and
the
California
Air
Resources
Board.
(
CARB)
participated
in
a
conference
call
to
discuss
EPA's
nonroad
diesel
Tier
4
proposal.
A
list
of
EPA
and
CARB
attendees
is
attached.

The
purpose
of
the
meeting
was
to
clarify
specific
provisions
in
the
Agency's
notice
of
proposed
rulemaking
for
land­
based
nonroad
diesel
engines
and
control
of
nonroad
diesel
fuel
sulfur
level.
Specifically,
CARB
staff
requested
this
meeting
with
EPA
to
ask
several
clarifying
questions
regarding
the
proposal.

The
following
topics
were
discussed
during
the
meeting:


Applicability
of
the
nonroad
tier
4
proposal
to
recreational
marine
diesel
engines;


Use
of
nonroad
retrofit
emission
credits
in
the
nonroad
tier
4
program;


Applicability
of
the
proposed
transient
test
cycle
to
nonroad
tier
4
engines;


Applicability
of
the
proposed
Transition
Provisions
for
Equipment
Manufacturers
to
engines
and
equipment
less
than
25
horsepower;


Proposed
cold
start
testing
for
nonroad
tier
4
engines;


The
alternative
not­
to­
exceed
provisions
on
which
the
proposal
requests
comment;


Which
engines
could
be
certified
with
the
proposed
transportation
refrigeration
unit
engine
test
cycle.

attachments:
(
A)
Attendees
List
Attendees
List
Conference
Call
US
EPA
and
California
Air
Resources
Board
on
May
21,
2003
CARB:
Jackie
Lourenco
­
Manager,
Off­
Road
Controls
Section
MSCD
Peggy
Taricco
­
Manager,
Technical
Analysis
Section
SSD
Scott
Rowland
­
Manager,
Retrofit
Implementation
Section
MSCD
Tony
Andreoni
­
Manager,
Process
Evaluation
Section
SSD
Sandee
Kidd
­
Staff,
Off­
Road
Modeling
&
Assessment
Section
PTSD
Rodney
Hill
­
Staff,
Process
Evaluation
Section
SSD
James
Guthrie
­
Staff,
Fuels
Section
SSD
Andrew
Spencer
­
Staff,
Off­
Road
Controls
Section,
MSCD
Jeff
Lowry
­
Staff,
Off­
Road
Controls
Section,
MSCD
U.
S.
EPA:
Don
Kopinski,
Assessment
&
Standards
Division,
Office
of
Transportation
&
Air
Quality
Bill
Charmley,
Assessment
&
Standards
Division,
Office
of
Transportation
&
Air
Quality
