1. Section 4.1
2. Madden Al Analysis of Air Samples for the Polar and Non‐Polar VOCs Using a Modified Method TO‐14 Tekmar Application Report Vol 5.3 Cincinatti1994.
3. Schnute B. McMillan J. TO‐14 Air Analysis Using the Finnigan MAT Magnum Air System Application Report No. 230 1993.
4. Section 4.4