Key Source Analysis 1980

Component Key source categories (Sorted from high to low from left to right)Total (%) Not listed
SOx1 A 1 a
(26.1%)
1 A 4 b i
(19.9%)
1 A 2 f
(12.5%)
1 A 4 a
(8.0%)
1 A 2 d
(6.6%)
1 A 2 a
(5.7%)
1 A 1 b
(4.9%)
1 A 2 e
(4.5%)
1 A 4 c i
(2.9%)
2 C
(2.5%)
93.81
NOx1 A 3 b i
(27.8%)
1 A 3 b iii
(16.5%)
1 A 2 f
(11.6%)
1 A 1 a
(8.3%)
1 A 4 b i
(5.7%)
2 B 5
(5.4%)
1 A 4 c ii
(4.8%)
1 A 2 a
(4.4%)
1 A 2 d
(2.8%)
1 A 1 b
(2.1%)
89.44
NH34 B 1 b
(27.6%)
4 B 1 a
(25.5%)
4 D 1
(14.7%)
4 B 8
(14.1%)
4 B 9
(10.7%)
4 F
(2.4%)
4 B 3
(0.9%)
95.80
NMVOC3 A
(20.3%)
1 A 3 b i
(15.8%)
1 A 4 b i
(14.6%)
3 D
(13.9%)
3 C
(7.8%)
3 B
(6.8%)
1 A 3 b v
(4.7%)
2 B 5
(3.5%)
1 B 2 a iv
(1.7%)
1 A 3 b iv
(1.7%)
90.73
CO1 A 3 b i
(41.3%)
1 A 4 b i
(28.5%)
1 A 2 a
(15.7%)
4 F
(1.7%)
1 A 4 b ii
(1.4%)
2 C
(1.3%)
1 A 4 c ii
(1.3%)
1 A 2 f
(1.2%)
1 A 3 b iv
(0.9%)
2 B 5
(0.9%)
94.31