Jim
Watson
<
jwatson@
arb.
ca.
gov>
Sent
by:
Jim
Watson
<
jwatson@
arb.
ca.
gov>

Received
Date:

10/
26/
2005
12:
51
PM
Transmission
Date:

10/
26/
2005
12:
51:
22
PM
To:
Michael
Samulski/
AA/
USEPA/
US@
EPA
Subject:
Vapor
Loss
for
Variable
Volume
Containers.
xls
Mike:

Attached
is
the
raw
data
for
three
pairs
of
portable
fuel
containers
tested.
Day
1
Day
2
Day
3
Day
4
Day
5
Avg
Gram/
Day
30a
1.36
2.01
1.90
1.87
1.79
30b
1.23
1.33
1.64
1.72
1.91
1.57
1.68
50a
1.08
1.32
1.58
1.78
1.91
1.53
50b
0.48
0.69
1.27
1.37
1.43
1.05
1.29
70a
0.64
0.90
1.23
1.66
1.85
1.26
70b
0.56
1.04
1.08
1.29
1.44
1.08
1.17
Avg.
Loss
Grams/
Day
1.30
1.67
1.64
1.81
1.89
Avg.
Loss
Grams/
Day
0.78
1.01
1.43
1.58
1.67
Avg.
Loss
Grams/
Day
0.60
0.97
1.16
1.48
1.65
Volume
Container
Weight
Fuel
Volume
Fuel
Volume
Vapor
Avg.
Volume
4118.3
930.19
1261.45
2856.85
4118.3
925.49
1255.07
2863.23
2860.04
4118.3
1514.90
2054.38
2063.92
4118.3
1512.55
2051.19
2067.11
2065.51
4118.3
2124.00
2880.39
1237.91
4118.3
2122.00
2877.68
1240.62
1239.27
Further
notes
based
on
conversation
between
Mike
Samulski,
U.
S.
EPA
and
Jim
Watson,
ARB
on
10/
26/
05:

­
6
identical
construction
HDPE
portable
fuel
containers
­
Testing
performed
over
65­
105F
diurnal
profile
­
no
preconditioning
performed
on
tanks
­
Tanks
sealed
to
prevent
leaks
(
visible
deformations
of
tank
observed
during
the
heating
part
of
the
tests
due
to
pressure
build
up
in
test
which
suggests
no
leaks)
­
California
certification
fuel
­
testing
performed
in
spring
of
2000
