Key Source Analysis 1998

Component Key source categories (Sorted from high to low from left to right)Total (%) Not listed
SOx1 A 4 b i
(27.1%)
1 A 2 a
(12.6%)
1 A 2 f
(11.7%)
1 A 1 b
(10.2%)
1 A 1 a
(9.5%)
1 A 2 c
(5.6%)
1 A 4 a
(4.7%)
1 A 2 d
(4.6%)
1 A 3 b iii
(3.1%)
1 A 3 b i
(2.6%)
91.73
NOx1 A 3 b iii
(32.7%)
1 A 3 b i
(18.2%)
1 A 2 f
(12.0%)
1 A 4 c ii
(9.5%)
1 A 4 b i
(6.4%)
1 A 1 a
(3.3%)
1 A 2 d
(2.8%)
1 A 3 b ii
(2.5%)
4 D 1
(2.5%)
1 A 2 a
(2.4%)
92.42
NH34 B 1 b
(25.4%)
4 B 8
(20.8%)
4 B 1 a
(19.5%)
4 D 1
(14.6%)
4 B 9
(9.8%)
1 A 3 b i
(3.0%)
4 B 3
(1.6%)
6 D
(1.1%)
95.90
NMVOC1 A 4 b i
(17.7%)
3 D
(17.3%)
3 A
(11.7%)
1 A 3 b i
(9.6%)
2 B 5
(6.5%)
3 C
(6.1%)
1 A 3 b v
(4.6%)
3 B
(4.5%)
1 A 4 c ii
(4.3%)
1 A 4 b ii
(3.2%)
85.47
CO1 A 4 b i
(34.9%)
1 A 3 b i
(22.8%)
1 A 2 a
(21.4%)
1 A 4 c ii
(2.8%)
1 A 4 b ii
(2.5%)
1 A 4 c i
(2.2%)
1 A 2 f
(1.8%)
2 C
(1.5%)
1 A 3 b iii
(1.5%)
1 A 4 a
(1.3%)
92.62
Pb2 C
(35.8%)
1 A 4 b i
(19.9%)
1 A 2 b
(15.9%)
1 A 2 f
(10.3%)
1 A 1 a
(5.1%)
1 A 2 d
(4.7%)
1 A 1 b
(2.0%)
1 A 4 a
(1.9%)
95.60
Hg1 A 4 b i
(25.1%)
2 C
(23.4%)
1 A 1 a
(16.0%)
2 B 5
(11.5%)
1 A 2 f
(10.2%)
1 A 2 d
(6.2%)
1 A 4 a
(1.6%)
6 C
(1.5%)
95.50
Cd1 A 4 b i
(29.5%)
2 C
(17.7%)
1 A 1 b
(14.9%)
1 A 2 d
(8.0%)
1 A 3 b vi
(7.5%)
1 A 2 f
(4.9%)
1 A 1 a
(4.6%)
1 A 4 c i
(3.9%)
1 A 4 a
(3.6%)
1 A 2 b
(2.3%)
97.00
DIOX1 A 4 b i
(56.0%)
2 C
(20.3%)
1 A 2 b
(10.8%)
1 A 4 c i
(2.8%)
1 A 4 a
(2.5%)
1 A 3 b i
(1.6%)
1 A 2 d
(1.1%)
95.10
PAH1 A 4 b i
(72.7%)
1 A 3 b iii
(5.2%)
1 A 3 b i
(4.5%)
1 A 4 c i
(3.8%)
4 F
(2.6%)
2 B 5
(2.4%)
2 C
(1.8%)
1 A 4 c ii
(1.4%)
1 A 4 a
(1.3%)
95.80
HCB1 A 4 b i
(79.9%)
1 A 2 b
(6.0%)
2 C
(5.1%)
1 A 4 c i
(5.1%)
96.00