Measurements of ammonia, nitric acid and particulate nitrate were made at urban sites in
Commerce City, Colorado, and Warren, Michigan and at rural locations near Abbeville …

It has long been suspected that there are two important mechanisms for the formation of
atmospheric paniculate nitrates. Here it is suggested that different mechanisms operate in …

Declining urban air quality affects socioeconomic stability, public health, and ecosystems
and is demanding attention of the administration to address environmental sustainability …

Based on data collected at rural sites in South Dakota, Louisiana and Virginia during the
summers of 1978–1980, the factors controlling the diurnal behavior of O3 near the surface …

Laboratory and field studies have been carried out to determine the equilibrium constant for
the system, N2O5⇌ NO3+ NO2. In the laboratory studies a 170‐m multiple‐pass cell was …

Background measurements of ozone, sulfates, and other species are fundamental inputs
required for regional-scale modeling of summertime ozone and haze episodes in the …

A continuous ambient automobile pollution monitoring pr1ogramme was initiated in the
Johannesburg region in May 1982 and shows that automobile pollution levels which give …

As a result of the 1975 Moodus Conference, a task force was established to analyze the
ozone data from the 19 Moodus states and to assess the importance of ozone transport …

The ozone distribution observed for April to September, 1976 and 1977, have been
categorized and analyzed according to episodes. The major characteristics of the 40 ozone …

In the ambient environment, concentrations of air pollutants vary on a diurnal cycle, resulting
in various patterns of concurrent and sequential exposures of plants. The response of …