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ussc run 1 emissions
PR - Proportional Rate Variation
ASTM E2515 equation (16)
Where:
θ
= Total sampling time, min
θ
= Length of recording interval, min
i
= Volume of gas sample measured by the dry gas meter during the "ith"
V
mi
time interval, dcf
V
= Volume of gas sample as measured by dry gas meter, dcf
m
V
= Average gas velocity in the dilution tunnel during the "ith" time interval, ft/sec
si
V
= Average gas velocity in the dilution tunnel, ft/sec
s
= Absolute average dry gas meter temperature during the "ith" time interval,
T
mi
= Absolute average dry gas meter temperature,
T
m
= Absolute average gas temperature in the dilution tunnel during the "ith" time interval,
T
si
= Absolute average gas temperature in the dilution tunnel,
T
s
Sample calculation (for the first 1 minute interval of Train A):
360 x
PR =
(
1
PR =
101 %
PFS-TECO
0.139
x
17.89
x (
x 53.507
x
17.52
x (
Page 12 of 14
o
R
o
R
98.3
+ 460 ) x ( #### + 460
103.8 + 460 ) x ( 79.0 + 460
o
R
o
R
)
)
x
100
)
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