Polynuclear Aromatic Hydrocarbons and Other Pollutants in Los Angeles Air

Carcinogenic air pollutants in relation to automotive traffic in New York

“…Since we assumed that both carbon monoxide and lead originate primarily from automobiles, the correlation between these pollutants was of special interest (Colucci and Begeman, 1969b). The correlation coefficient for these pollutants for all samples at all sites, 0.90, is significantly nonzero with 99% confidence.…”