Primary organic aerosol

Industrial processes primary organic aerosols from, 48 secondary organk aerosols from, 101 Infmed spectra of aerosols, 68 Inhalation. See also Respiratory tystem of ozone, 165... 

There is strong evidence that plant leaves contribute a significant amount of leaf wax as primary organic aerosol particles (Simoneit 1977, 1986, 1989 Gagosian et al. 1982 Simoneit and Mazurek 1982 Wils et al. 1982 Doskey and Andren 1986 Standley and Simoneit 1987 Sicre et al. 1990 Simoneit et al. 1990). 

Several hundred organic compounds have been identified in primary organic aerosol emissions. In spite of this these studies have been able to identify compounds representing only 10-40% of the emitted organic mass depending on the source. Even if our knowledge of the molecular composition of OC has increased significantly, the complexity of the mixture is such that tracer compounds are still necessary to unravel the contributions of the various sources. 

Table 14.8 presents chemical compounds that have been identified as primary organic aerosol components (Rogge et al. 1991, 1993a-e) together with their annual average... 

TABLE 14.8 Compounds Identified in Primary Organic Aerosol Emissions from a Series of Sources and Ambient Aerosol Concentrations of Fine Aerosol Organic Compounds Measured in Pasadena, California, during 1982... 

TABLE 14.9 Tracer Compounds for Atmospheric Primary Organic Aerosol Sources... 

Table 13.8 presents chemical compounds that have been identified as primary organic aerosol components (Rogge et al., 1991, 1993a-e) together with their annual average ambient mass concentrations in the Los Angeles air basin. These ambient concentrations are the cumulative results of a variety of primary sources and secondary aerosol production. Normal alkanoic acids, aliphatic dicarboxylic acids, and aromatic polycarboxylic acids are... 

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