1
March
26,
2004
MEMORANDUM
TO:
EPA
Air
Docket
OAR­
2003­
0012
FROM:
William
Charmley
Engineer
Office
of
Transportation
and
Air
Quality
U.
S.
EPA
SUBJECT:
Summary
of
Conference
Calls
with
the
Engine
Manufacturers
Association
on
July
1,
14,
and
17,
2003
regarding
Nonroad
Tier
4
Proposal
On
July
1,
July
14,
and
July
17,
2003,
representatives
from
EPA
and
the
Engine
Manufacturers
Association
(
EMA)
participated
in
a
series
of
conference
calls
to
discuss
EPA's
nonroad
diesel
Tier
4
proposal.
A
list
of
the
participants
for
each
of
these
calls
is
attached.

The
following
topics
were
discussed
during
the
meeting;

July
1,
2003
Conference
Call
­
not­
to­
exceed
standard
and
implementation
requirements
­
emission
standards
for
nonroad
engines
>
750
hp
­
implementation
dates
for
Tier
4
standards
for
the
75­
175
hp
category
­
optional
Tier
4
emission
standards
for
the
50­
75
hp
range
July
14,
2003
Conference
Call
(
all
topics
were
specific
to
engines
>
750
hp)
­
transient
test
cycle
requirements
and
standards
­
NTE
requirements
­
NOx
emission
standards
and
implementation
dates
­
PM
emission
standards
and
implementation
dates
­
Differences
between
>
750
mobile
machines
and
generators
July
17,
2003
Conference
Call
(
all
topics
were
specific
to
engines
>
750
hp)
­
NOx
emission
standards
and
implementation
dates
­
PM
emission
standards
and
implementation
dates
­
Differences
between
>
750
mobile
machines
and
generators
attachments:
Attendees
List
Attachment:
Attendees
List
EPA
Conference
Call
with
Engine
Manufacturers
Association,
July
1,
2003
EMA
Participants
Jed
Mandel,
EMA
EPA
Participants
Chet
France,
Assessment
&
Standards
Division,
Office
of
Transportation
&
Air
Quality
Bill
Charmley,
Assessment
&
Standards
Division,
Office
of
Transportation
&
Air
Quality
EPA
Conference
Call
with
Engine
Manufacturers
Association,
July
14,
2003
EMA
Participants
Jed
Mandel,
EMA
Bill
Passie,
Caterpillar
John
Gladden,
Caterpillar
Bob
Jorgenson,
Cummins
Inc.
Todd
Hendricks,
Cummins
Inc.
John
Duerr,
Detroit
Diesel
Corp.

EPA
Participants
Chet
France,
Assessment
&
Standards
Division,
Office
of
Transportation
&
Air
Quality
Don
Kopinski,
Assessment
&
Standards
Division,
Office
of
Transportation
&
Air
Quality
Bill
Charmley,
Assessment
&
Standards
Division,
Office
of
Transportation
&
Air
Quality
EPA
Conference
Call
with
Engine
Manufacturers
Association,
July
17,
2003
EMA
Participants
Jed
Mandel,
EMA
John
Gladden,
Caterpillar
Bob
Jorgenson,
Cummins
Inc.
Todd
Hendricks,
Cummins
Inc.
John
Duerr,
Detroit
Diesel
Corp.

EPA
Participants
Don
Kopinski,
Assessment
&
Standards
Division,
Office
of
Transportation
&
Air
Quality
Bill
Charmley,
Assessment
&
Standards
Division,
Office
of
Transportation
&
Air
Quality
