Key Source Analysis 1987

Component Key source categories (Sorted from high to low from left to right)Total (%) Not listed
SOx1 A 4 b i
(29.2%)
1 A 1 a
(18.1%)
1 A 2 a
(9.4%)
1 A 2 f
(7.8%)
1 A 2 d
(7.1%)
1 A 4 a
(5.9%)
2 C
(5.5%)
1 A 2 e
(3.7%)
1 A 1 b
(2.9%)
1 A 4 c i
(2.5%)
92.22
NOx1 A 3 b i
(35.5%)
1 A 3 b iii
(13.8%)
1 A 2 f
(10.3%)
1 A 4 b i
(6.9%)
1 A 1 a
(6.7%)
1 A 4 c ii
(5.2%)
1 A 2 a
(3.5%)
1 A 2 d
(3.2%)
4 D 1
(2.3%)
2 B 5
(2.2%)
89.54
NH34 B 1 b
(27.8%)
4 B 1 a
(24.8%)
4 D 1
(15.3%)
4 B 8
(13.5%)
4 B 9
(10.9%)
4 F
(2.5%)
4 B 3
(1.2%)
96.10
NMVOC3 A
(18.2%)
1 A 4 b i
(16.7%)
1 A 3 b i
(16.7%)
3 D
(14.1%)
1 A 3 b v
(6.4%)
3 C
(6.2%)
3 B
(5.6%)
2 B 5
(3.0%)
1 A 3 b iv
(2.0%)
1 A 4 c ii
(1.7%)
90.74
CO1 A 3 b i
(34.1%)
1 A 4 b i
(33.2%)
1 A 2 a
(16.4%)
4 F
(2.2%)
1 A 4 b ii
(1.6%)
2 C
(1.4%)
1 A 4 c ii
(1.4%)
1 A 4 a
(1.3%)
1 A 2 f
(1.2%)
1 A 3 b iv
(1.1%)
93.92
Pb1 A 3 b i
(70.1%)
2 C
(15.8%)
1 A 2 b
(2.4%)
1 A 4 b i
(1.7%)
1 A 2 f
(1.6%)
6 C
(1.6%)
1 A 3 b ii
(1.4%)
1 A 1 a
(1.4%)
95.90
Hg1 A 2 f
(36.8%)
1 A 4 b i
(18.3%)
1 A 1 a
(15.7%)
2 B 5
(11.4%)
2 C
(9.9%)
6 C
(2.5%)
1 A 2 d
(2.0%)
96.60
Cd2 C
(28.7%)
1 A 4 b i
(16.7%)
1 A 1 a
(15.1%)
4 F
(7.9%)
1 A 2 f
(5.9%)
1 A 2 d
(5.7%)
1 A 1 b
(4.7%)
6 C
(4.5%)
1 A 2 b
(3.9%)
1 A 4 a
(2.6%)
95.70
DIOX1 A 2 b
(27.3%)
1 A 4 b i
(27.2%)
2 C
(25.4%)
6 C
(8.5%)
4 F
(2.7%)
1 A 3 b i
(2.4%)
2 A 7
(1.7%)
95.10
PAH1 A 4 b i
(36.0%)
4 F
(27.0%)
2 C
(23.5%)
2 A 7
(3.6%)
2 B 5
(3.0%)
1 A 3 b i
(2.4%)
95.50
HCB1 A 4 b i
(55.9%)
1 A 2 b
(16.6%)
2 C
(9.8%)
3 D
(7.6%)
1 A 4 c i
(2.3%)
2 B 5
(2.0%)
1 A 4 a
(1.7%)
96.00