Key Source Analysis 1990

Component Key source categories (Sorted from high to low from left to right)Total (%) Not listed
SOx1 A 4 b i
(36.5%)
1 A 1 a
(15.4%)
1 A 2 a
(8.7%)
1 A 4 a
(6.6%)
1 A 2 f
(5.7%)
1 A 2 d
(5.6%)
1 A 1 b
(3.0%)
1 B 2 b
(2.6%)
1 A 3 b i
(2.2%)
1 A 4 c i
(2.1%)
88.54
NOx1 A 3 b i
(30.8%)
1 A 3 b iii
(13.6%)
1 A 2 f
(12.7%)
1 A 4 c ii
(8.7%)
1 A 4 b i
(6.4%)
1 A 1 a
(5.6%)
1 A 2 d
(3.3%)
1 A 3 b ii
(3.1%)
1 A 2 a
(2.6%)
4 D 1
(2.5%)
89.24
NH34 B 1 b
(26.6%)
4 B 1 a
(22.0%)
4 B 8
(20.5%)
4 D 1
(14.1%)
4 B 9
(9.6%)
1 A 3 b i
(1.6%)
4 B 3
(1.4%)
95.70
NMVOC1 A 4 b i
(18.3%)
3 A
(16.2%)
1 A 3 b i
(14.9%)
3 D
(13.3%)
1 A 3 b v
(6.6%)
3 C
(6.6%)
3 B
(4.9%)
1 A 4 c ii
(3.1%)
2 B 5
(2.9%)
1 B 2 a iv
(2.3%)
89.05
CO1 A 4 b i
(34.9%)
1 A 3 b i
(30.7%)
1 A 2 a
(16.9%)
1 A 4 c ii
(2.3%)
1 A 4 b ii
(2.1%)
1 A 3 b ii
(1.9%)
2 C
(1.9%)
1 A 2 f
(1.6%)
6 A
(1.1%)
1 A 4 c i
(1.0%)
94.51
TSP2 A 7
(23.4%)
4 D 1
(22.0%)
1 A 4 b i
(13.7%)
1 A 3 b vi
(8.8%)
2 C
(7.1%)
1 A 4 c ii
(3.6%)
1 A 2 f
(3.1%)
1 A 2 d
(2.8%)
1 A 3 c
(2.4%)
1 A 3 b iii
(1.6%)
88.55
PM101 A 4 b i
(19.6%)
2 A 7
(18.2%)
4 D 1
(15.8%)
2 C
(8.6%)
1 A 4 c ii
(5.7%)
1 A 2 f
(4.8%)
1 A 3 b vi
(4.6%)
1 A 2 d
(4.0%)
1 A 3 b iii
(2.6%)
1 A 3 b i
(2.6%)
86.66
PM2.51 A 4 b i
(29.4%)
1 A 4 c ii
(9.7%)
2 A 7
(9.6%)
1 A 2 f
(7.9%)
2 C
(7.3%)
1 A 2 d
(5.7%)
1 A 3 b iii
(4.4%)
1 A 3 b i
(4.4%)
1 A 3 b ii
(3.4%)
4 D 1
(2.7%)
84.56
Pb1 A 3 b i
(66.5%)
2 C
(15.5%)
1 A 3 b ii
(6.1%)
1 A 2 f
(2.2%)
1 A 4 b i
(2.0%)
1 A 2 b
(2.0%)
1 A 4 b ii
(1.0%)
95.30
Hg1 A 2 f
(32.7%)
1 A 4 b i
(19.3%)
1 A 1 a
(15.1%)
2 B 5
(12.5%)
2 C
(11.9%)
1 A 2 d
(3.0%)
6 C
(2.5%)
97.10
Cd2 C
(30.2%)
1 A 4 b i
(21.6%)
1 A 2 d
(9.7%)
1 A 2 f
(7.7%)
1 A 1 b
(5.9%)
1 A 2 b
(5.6%)
6 C
(3.8%)
1 A 3 b vi
(3.7%)
1 A 1 a
(3.4%)
1 A 4 a
(2.7%)
94.41
DIOX1 A 2 b
(31.2%)
1 A 4 b i
(26.8%)
2 C
(23.1%)
6 C
(11.3%)
1 A 3 b i
(1.9%)
2 A 7
(1.1%)
95.30
PAH1 A 4 b i
(46.4%)
2 C
(36.8%)
2 A 7
(3.1%)
1 A 3 b i
(2.7%)
2 B 5
(2.6%)
1 A 4 c i
(1.9%)
4 F
(1.4%)
95.00
HCB1 A 4 b i
(55.8%)
1 A 2 b
(18.4%)
3 D
(9.7%)
2 C
(8.7%)
1 A 4 c i
(2.6%)
95.20