Personal Monitoring System for Measuring Environmental Tobacco Smoke Exposure

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Abstract
A monitoring system, calibration system and bar code-based, computer sample tracking system for measuring personal exposures to environmental tobacco smoke (ETS) are described. The monitoring system collects both vapor and particulate phase ETS analytes on a sorbent tube and filter, respectively, using a single sampling pump. Several battery pack configurations are described which enable continuous sampling times of 16, 28 and 48 h. Detailed methodologies are presented for determining nicotine, 3-ethenylpyridine and myosmine in the vapor phase and respirable suspended particles, solanesol, scopoletin, UVPM and FPM in the particulate phase. Experiments conducted in a controlled-environment test chamber show that all analytes increase linearly with the number of cigarettes smoked. In addition, 3-ethenylpyridine is shown to track closely the vapor phase of ETS (as measured by CO and FID) while nicotine poorly estimates the vapor phase. These data support previously published findings that 3-ethenylpyridine is superior to nicotine as an ETS vapor phase marker.

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