[Studies on the distribution of and polyaromatic hydrocarbons in particulate substances in the vicinity of an expressway. 1. The present conditions of pollution by particulate substances].
D000393:Air Pollutants / Q000032:analysis*; D002248:Carbon Monoxide / Q000032:analysis; D007564:Japan; D009589:Nitrogen Oxides / Q000032:analysis; D010316:Particle Size; D011083:Polycyclic Compounds / Q000032:analysis*; D001335:Vehicle Emissions / Q000032:analysis*
D000393:Air Pollutants; D009589:Nitrogen Oxides; D011083:Polycyclic Compounds; D001335:Vehicle Emissions; D002248:Carbon Monoxide