Table 2. Two-Step Strategy (i.e., 2 s Odor-Cued Grab Sample into the m-FEP Bag Grab Sample Followed by Immediate Extraction of the Bagged Air Sample with Sorbent Tubes) Enhanced Analytical Detection of Odor-Causing Odorants.

two-step, odor-cued grab sample into the m-FEP bag followed by extraction of bagged air with sorbent tubes	MS detector response to naphthalene	∼response differential
sample #1	83,915	13.5 × direct
sample #2	54,851	8.8 × direct
mean	69,383	11.5 × direct
Direct Air Sampling with Sorbent Tubes
sample #1	6216	1 × two-step