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High-throughput GC-MS and LC-MS instrumentation for analysis of breath matrices
A) ATD-GC/MS; B) ATD-GC-TOF/MS; C) QqQ/MS; D) Q-TOF/MS. Instruments A and B have been utilized to analyze sorbent tubes to assess VOC levels in exhaled breath samples, while C and D have been used to analyze liquid filter extractions to detect EBA collected on different types of breathing masks. Photo credits: Chuck Gaul (U.S. EPA).
