1
Memo
To:
Alan
Stout
From:
Joseph
McDonald,
OTAQ­
ASD
CC:
Glenn
Passavant
Date:
3/
20/
2006
Re:
Safety
Study
Supplemental
Data
 
Digital
and
Infrared
Movie
Clips
Docket
Item
EPA­
HQ­
OAR­
2004­
0008­
0328
is
a
double­
layer
DVD
containing
supplemental
data
for
EPA
document
#
EPA420­
R­
06­
006
entitled
"
EPA
TECHNICAL
STUDY
ON
THE
SAFETY
OF
EMISSION
CONTROLS
FOR
NONROAD
SPARK­
IGNITION
ENGINES
<
50
HORSEPOWER".
The
DVD
contains
digital
video
of
engines,
lawn
mowers
and
lawn
tractors;
and
digital
infrared
video
of
lawn
mowers
and
lawn
tractors
that
were
part
of
EPA's
assessment
of
the
safety
of
emissions
controls
for
<
50
h.
p.
spark
ignition
engines.
This
is
a
description
of
the
directory
structure
used
in
this
DVD:

Engine
255
Simulated
Engine
Fault
Experiments
­
This
is
detailed
in
Chapter
5
|
­­­­­­
255
Misfire
Testing
­
Video's
of
an
engine
misfiring
|
­­­­­­
255
Catalyst­
Muffler
Rich
Operation
­
Videos
of
Catalysts
running
rich
|
­­­­­­
255
OEM
Rich
Operation
­
Video's
of
an
OEM
muffler
running
rich
|
­­­­­­
255
Catalyst
Muffler
A­
cycle
­
Videos
of
a
Catalyst
during
an
emissions
test
|
­­­­­­
255
OEM
A­
cycle
­
Videos
of
a
muffler
during
an
emissions
test
Lawn
Tractor
and
Lawn
Mower
Field
operation
in
FL
­
Digital
Video
and
IR
Data
from
the
FL
Field
Test
Program
|
­­­­­­
Digital
Video
­
Videos
showing
field
test
operation
detailed
in
Chapter
6
|
|
|
­­­­­­
Field
Operation
­
Videos
of
push
mowers
and
tractors
in
the
field.
|
|
­­­­­­
IR
Digital
Video
­
Infrared
Video
Data
from
the
field
test
­
detailed
in
Chapters
5
&
6
|
­­­­­­
Lawn
Mower
Data
­
IR
data
from
Engines
244
and
245
|
­­­­­­
Lawn
Tractor
Data
|
­­­­­­
Lawn
Tractor
251
+
253
­
IR
Digital
Video
from
the
FL
Field
Test
|
­­­­­­
Lawn
Tractor
254
+
256
­
IR
Digital
Video
from
the
FL
Field
Test

Page
2
Lawn
Tractor
and
Lawn
Mower
Field
operation
in
TN
­
Digital
Video
and
IR
Data
from
the
TN
Field
Test
Program
|
­­­­­­
Digital
Video
­
Videos
showing
field
test
operation
detailed
in
Chapter
6
|
|
|
­­­­­­
Field
Operation
­
Videos
of
push
mowers
and
tractors
in
the
field.
|
|
­­­­­­
IR
Digital
Video
­
Infrared
Video
Data
from
the
field
test
­
detailed
in
Chapters
5
&
6
|
­­­­­­
Lawn
Mower
Data
­
IR
data
from
Engines
244,246,248,249
and
259
|
­­­­­­
Lawn
Tractor
Data
|
­­­­­­
Lawn
Tractor
231
+
252
­
IR
Digital
Video
from
the
TN
Field
Test
|
­­­­­­
Lawn
Tractor
232
+
233
­
IR
Digital
Video
from
the
TN
Field
Test
