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Science 13 December 1974:
Vol. 186. no. 4168, pp. 1037 - 1038
DOI: 10.1126/science.186.4168.1037
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Articles

Sunday and Workday Variations in Photochemical Air Pollutants in New Jersey and New York

W. S. Cleveland 1, T. E. Graedel 1, B. Kleiner 1, and J. L. Warner 1

1 Bell Laboratories, Murray Hill, New Jersey 07974

Concentration distributions of air contaminants and meteorological variables in New Jersey and New York for workdays (Mondays through Fridays, omitting holidays) and Sundays are compared by means of quantile-quantile plots. The ozone distributions are slightly higher on Sundays, and the primary pollutant distributions are lower. These results raise serious questions about the validity of current concepts underlying ozone reduction in urban atmospheres.


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Science. ISSN 0036-8075 (print), 1095-9203 (online)