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Table 3.4.4.
Comparison of the ratio between PAH (sum of benzo(e)pyrene (BeP) and indeno-(1,2,3-cd)pyrene (IP)) and mutagenic activity, TA98-S9, TA98+S9) and TA98NR) at H.C. Andersens Boulevard and a suburban area during incidence of local pollution and during incidence of long-range transport episodes.
 

 

Impact of Regulations of Traffic Emissions on PAH Level in the Air
Type and year (BeP+IP)/TA98-S9 (BeP+IP)/TA98+S9 (BeP+IP)/TA98NR
Street, Local, 1996 0.21 0.17 0.44
Street, Local, 1993 0.36 0.57 0.90
Street, Local, 1992 0.26 0.18 0.35
Street, Local 1986-1987 0.32 0.32 0.49
Street, 22 April 1996 0.04 0.03 0.11
Street, 24 Jan. 1992 0.14 0.10 0.17
Street, LRT 1986-1987 0.20 0.21 0.32
Suburb, LRT 1989-1990 0.20 0.20 0.39