Comparison of Sampling Methods for Carbonaceous Aerosols in Ambient Air

Measurement methods for fine particle carbon were showed greater variability than could be accounted for by compared under field sampling conditions.Sampling differences in analytical methods, and these differences methods included filtration, impaction, and adsorption-are attributed to sampling methodology.The highest corrected filtration.Systems were operated side-by-side reported concentrations were obtained by quartz filter for nine consecutive days in the Los Angeles Basin.sampling; the lowest were from the sum of the impactor Analytical methods were compared separately.For or-stages (excluding the quartz afterfilters).Positive artifact ganic carbon and total carbon, ambient measurements from the adsorption of gaseous vapors on quartz fiber