1. The Use of Headspace With Sample Concentration to Meet Alberta Tier 1 VOC Guidelines Pat Steffes K’(Prime) Technologies Inc. April 25, 2013

2. Current Techniques 2 Purge and Trap CTC Headspace Traditional Headspace

3. 3 ITEX (In-Tube Extraction)

4. ITEX Technique 4

5. Chromatography 5

6. Calibration Curve 6

7. 0.1 ppb Vinyl Chloride Standard 7

8. Integration of Carbon Tetrachloride at 0.4 ppb 8

9. Further Work Determine life cycle of traps and heaters Experiment with other trap materials 9

10. Thanks  Preston Kulmatycki for application work and application note  Joe Crumbaugh and Brenda Chomin of WEALA