TABLE 3. Proportion of total fuel consumption (TFC), proportion of the fuel consumed by flaming combustion (FC) and/or smoldering combustion (SC), and the Table 4 emission factor (EF) used for each National Fire Danger Rating System (NFDRS) model (Lahm 1994).

NFDRS
model
Dead fine
Dead small
Dead large
Live
Duff
TFC
FC
EF
TFC
FC
EF
SC
EF
TFC
FC
EF
SC
EF
TFC
FC
EF
TFC
FC
EF
SC
EF
A
0.8
1
3
0
0
1
0
2
0
0
1
0
2
0.8
1
6
0.9
0.9
3
0.1
3
B
0.8
1
3
0.8
1
1
0
2
0
0
1
0
2
0.7
1
5
0.8
0.8
3
0.2
3
C
0.8
1
3
0
0
1
0
2
0
0
1
0
2
0.4
1
6
0.5
0.5
3
0.5
3
D
0.6
1
3
0
0
1
0
2
0
0
1
0
2
0.5
1
6
0.5
0.5
3
0.5
3
E
0.7
1
1
0.5
0.9
1
0.1
2
0
0
1
0
2
0.6
1
6
0.5
0.5
7
0.5
7
F
0.6
1
3
0.5
0.9
1
0.1
2
0
0
1
0
2
0.5
1
5
0.5
0.5
3
0.5
3
G
0.8
1
1
0.6
0.9
1
0.1
2
0.6
0.75
1
0.25
2
0.5
1
6
0.5
0.4
7
0.6
7
H
0.8
1
1
0.5
0.9
1
0.1
2
0.5
0.8
1
0.2
2
0.4
1
6
0.5
0.4
7
0.6
7
I
0.9
1
1
0.8
0.9
1
0.1
2
0.5
0.9
1
0.1
2
0
0
6
0.25
0.7
7
0.3
7
J
0.9
1
1
0.8
0.9
1
0.1
2
0.5
0.8
1
0.2
2
0
0
6
0.5
0.5
7
0.5
7
K
0.9
1
1
0.8
0.9
1
0.1
2
0.5
0.5
1
0.5
2
0
0
6
0.5
0.5
7
0.5
7
L
0.9
1
3
0
0
1
0
2
0
0
1
0
2
0.5
1
6
0
0
3
0
3
N
0.8
1
3
0
0
1
0
2
0
0
1
0
2
0.8
1
6
0
0
3
0
3
O
0.8
1
3
0.8
0.9
1
0.1
2
0.5
0.5
1
0.5
2
0.7
1
5
0.25
0.5
3
0.5
3
P
0.9
1
1
0.8
0.9
1
0.1
2
0
0
1
0
2
0.4
1
6
0.25
0.5
7
0.5
7
Q
0.9
1
3
0.8
0.9
1
0.1
2
0.5
0.5
1
0.5
2
0.4
1
5
0.25
0.5
3
0.5
3
R
0.9
1
1
0.8
0.9
1
0.1
2
0
0
1
0
2
0.5
1
6
0.25
0.5
7
0.5
7
S
0.9
1
3
0.8
0.9
1
0.1
2
0.5
0.5
1
0.5
2
0.4
1
6
0.25
0.5
3
0.5
3
T
0.9
1
3
0
0
1
0
2
0
0
1
0
2
0.9
1
6
0
0
3
0
3
U
0.9
1
1
0.8
0.9
1
0.1
2
0
0
1
0
2
0.8
1
6
0.5
0.5
7
0.5
7