Development of Sampling and Analytical Methods for Toxicants in Diesel Exhaust Streams.
Menzies KT; Beltis KJ; Wong CM
NTIS: PB/ 84-196625 :155 pages
The objective of this study was to develop and validate sampling and analytical methods for selected diesel exhaust contaminants. Three compound classes were studied including polynuclear aromatic hydrocarbons (pah), light oxygenates (carbonyls), and heavy oxygenates (odorants). Sampling and analysis were developed and validated in a laboratory and evaluated in a diesel exhaust or mine air matrix. A high-performance liquid chromatographic (hplc) method was evaluated for analysis of aldehydes and ketones in diluted diesel exhaust and mine air. A sampling method to collect odorants in diesel exhaust was developed by limited modification of available sampling schemes. The odorant analysis method evaluation is based on a diesel odor analysis system that utilizes liquid chromatography. The analytical methods developed for analysis of pah utilized either a reverse phase hplc or a capillary column gas chromatography-mass spectrometry technique coupled with various sample preparation steps. The developed procedures were found to be suitable for exhaust emission analyses.
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