U.S. EPA Compendium Method TO-17

Document Title:  Determination of Volatile Organic Compounds in Ambient Air Using Active Sampling Onto Sorbent Tubes
Developer:  U.S. Environmental Protection Agency
Describes a sorbent tube/thermal desorption/gas chromatographic-based monitoring system for VOCs in ambient air at 0.5 to 25 ppb concentration levels. Updates Compendium Method TO-1 covering newer generation thermal desorption systems as well as new sorbents that can be used singly or in multi-sorbent packings. Includes guidelines for sorbent selection. Covers all aspects of sample collection and thermal desorption GC/MS analysis.