Suspended particulate matter and benzo-(a)pyrene immissions.
D000393:Air Pollutants / Q000032:analysis*; D001580:Benzopyrenes / Q000032:analysis*; D002273:Carcinogens / Q000032:analysis; D003431:Cross-Cultural Comparison; D005860:Germany, West; D006813:Humidity; D010316:Particle Size; D012621:Seasons; D013557:Switzerland; D013696:Temperature; D014481:United States; D014505:Urban Population; D014887:Weather
D000393:Air Pollutants; D001580:Benzopyrenes; D002273:Carcinogens