Key Source Analysis 1999

Component Key source categories (Sorted from high to low from left to right)Total (%) Not listed
SOx1 A 4 b i
(28.3%)
1 A 2 a
(13.2%)
1 A 1 a
(10.7%)
1 A 1 b
(9.8%)
1 A 2 f
(8.8%)
1 A 2 c
(7.2%)
1 A 4 a
(4.7%)
1 A 2 d
(3.6%)
1 A 3 b iii
(2.7%)
1 A 3 b i
(2.4%)
91.43
NOx1 A 3 b iii
(31.1%)
1 A 3 b i
(17.4%)
1 A 2 f
(12.0%)
1 A 4 c ii
(10.1%)
1 A 4 b i
(7.0%)
1 A 1 a
(3.5%)
1 A 3 b ii
(2.7%)
1 A 2 d
(2.5%)
4 D 1
(2.5%)
1 A 2 a
(2.4%)
91.23
NH34 B 1 b
(26.7%)
4 B 1 a
(19.5%)
4 B 8
(19.4%)
4 D 1
(14.3%)
4 B 9
(10.1%)
1 A 3 b i
(2.9%)
4 B 3
(1.6%)
6 D
(1.2%)
95.70
NMVOC1 A 4 b i
(18.8%)
3 D
(17.1%)
3 A
(11.0%)
1 A 3 b i
(8.8%)
2 B 5
(6.8%)
3 C
(6.2%)
3 B
(4.5%)
1 A 4 c ii
(4.4%)
1 A 3 b v
(4.2%)
1 A 4 b ii
(3.2%)
85.28
CO1 A 4 b i
(36.8%)
1 A 3 b i
(21.4%)
1 A 2 a
(20.2%)
1 A 4 c ii
(2.9%)
1 A 4 b ii
(2.6%)
1 A 4 c i
(2.4%)
1 A 2 f
(1.9%)
1 A 4 a
(1.5%)
1 A 3 b iii
(1.4%)
2 B 5
(1.3%)
92.33
TSP2 A 7
(31.1%)
4 D 1
(20.4%)
1 A 3 b vi
(10.5%)
1 A 4 b i
(10.5%)
2 C
(3.8%)
1 A 4 c ii
(3.3%)
1 A 2 f
(2.9%)
1 A 2 d
(2.6%)
1 A 3 b iii
(2.4%)
1 A 3 c
(2.2%)
89.85
PM102 A 7
(25.2%)
1 A 4 b i
(15.8%)
4 D 1
(15.4%)
1 A 3 b vi
(5.8%)
1 A 4 c ii
(5.6%)
1 A 2 f
(4.7%)
2 C
(4.7%)
1 A 3 b iii
(4.0%)
1 A 2 d
(3.9%)
1 A 3 b i
(3.2%)
88.35
PM2.51 A 4 b i
(25.0%)
2 A 7
(13.9%)
1 A 4 c ii
(10.0%)
1 A 2 f
(7.9%)
1 A 3 b iii
(7.2%)
1 A 2 d
(5.8%)
1 A 3 b i
(5.6%)
2 C
(4.1%)
1 A 3 b vi
(3.1%)
1 A 3 b ii
(3.0%)
85.65
Pb2 C
(38.7%)
1 A 4 b i
(20.7%)
1 A 2 b
(12.3%)
1 A 2 f
(8.0%)
1 A 1 a
(5.1%)
1 A 2 d
(5.1%)
1 A 4 a
(2.5%)
1 A 2 c
(2.4%)
1 A 1 b
(1.8%)
96.60
Hg1 A 4 b i
(25.7%)
2 C
(24.6%)
1 A 1 a
(18.2%)
1 A 2 f
(12.0%)
1 A 2 d
(6.5%)
2 B 5
(4.8%)
1 A 4 a
(1.8%)
1 A 2 c
(1.4%)
95.00
Cd1 A 4 b i
(29.2%)
2 C
(18.0%)
1 A 1 b
(12.5%)
1 A 2 d
(8.0%)
1 A 3 b vi
(7.6%)
1 A 2 f
(6.3%)
1 A 4 a
(4.6%)
1 A 1 a
(4.1%)
1 A 4 c i
(4.0%)
1 A 2 b
(2.0%)
96.20
DIOX1 A 4 b i
(57.8%)
2 C
(23.5%)
1 A 4 a
(3.4%)
1 A 2 b
(3.2%)
1 A 4 c i
(3.1%)
1 A 2 f
(2.1%)
1 A 3 b i
(1.3%)
1 A 2 c
(1.2%)
95.60
PAH1 A 4 b i
(73.1%)
1 A 3 b iii
(4.9%)
1 A 3 b i
(4.7%)
1 A 4 c i
(4.1%)
4 F
(2.7%)
2 C
(1.9%)
1 A 4 a
(1.8%)
1 A 4 c ii
(1.5%)
1 A 2 f
(1.5%)
96.10
HCB1 A 4 b i
(82.0%)
2 C
(5.8%)
1 A 4 c i
(5.5%)
1 A 4 a
(2.8%)
96.10