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Table 3.4.3.
The concentrations (units as Table 3.1.1) of particulate polycyclic aromatic compounds (PAC) and mutagenic activity and other inorganic components during a long-range transport episode on 22 April 1996 and comparison with the 1996 mean levels.
 

 

Impact of Regulations of Traffic Emissions on PAH Level in the Air

Compound 22 Apr. Conc. Ratio
22 Apr./Mean
Compound 22 Apr. Conc Ratio
22 Apr./Mean
Dibenzothiophene 0.19 2.0 NO 114 1.1
Phenanthrene 1.9 1.3 Gas NOy 172 1.3
Anthracene 0.43 1.1 SO2 6.5 2.5
2-methylphenanthrene 1.4 1.1 CO 2.0 1.1
3-methylphenanthrene 0.75 1.0 Ozone 19 1.6
1-methylphenanthrene 0.67 0.9 Soot 68 1.5
4,5-methylene-+9-methylphenanthrene 1.3 1.0 Particles 206 1.6
Methylphenanthrenes (total) 4.1 1.0 Chloride 1.7 0.2
Fluoranthene 5.7 1.1 Sulphate 4.5 1.6
Pyrene 8.7 1.0 Aluminium 2.7 1.9
Benzo(b)naphto(2,1-d)thiophene 0.8 2.0 Calcium 5.5 1.5
Benzo(ghi)fluoranthene+benzo(c)phenanthrene 3.7 1.0 Iron 4.1 1.5
Cyclopenteno(cd)pyrene 1.5 0.6 Lead 0.05 1.3
Benz(a)anthracene 3.2 1.0 Potassium 0.8 1.9
Chrysene+triphenylene 5.4 1.4 Zinc 0.3 1.7
Benzo(b+j+k)fluoranthene 10.5 1.6 Silicon 6.7 1.7
Benzo(a)fluoranthene 0.7 1.1 Bromide 6.6 1.1
Benzo(e)pyrene 5.5 1.8 Selenium 1.6 3.2
Benzo(a)pyrene 3.2 1.5 Barium 75 1.1
Perylene 0.9 1.8 Chromium 26 1.3
Indeno(1,2,3-cd)pyrene 3.1 1.6 Copper 114 1.4
Benzo(ghi)perylene 7.2 1.4 Manganese 112 1.0
Anthanthrene 1.0 1.6 Arsenic 6.4 2.1
Coronene 4.6 1.2 Nickel 8.6 1.4
Anthraquinone 6.4 1.6 Strontium 17 1.4
Benzanthrone 7.4 2.0 Cadmium 1.9 0.08
TA98+S9 335 7.0 Titanium 266 1.7
TA98-S9 192 5.7 Vanadium 23 1.9
TA98NR 78 5.2