Table 1. First-Tier (Group 1), Odor Impact-Priority Compoundsa.
GC column retention time (min) | tentative chemical ID | odor descriptor | |
---|---|---|---|
group 1 | 12.0 | beta-myrcene | “characteristic”, “geranium leaf” |
10.4 | alpha-pinene | “characteristic”, “pine” | |
13.9 | unknown (likely a C4-substituted pyrazine) | “musty”, “nutty”, “foul” | |
16.7 | unknown (likely trans-2-nonenal) | “musty”, “cardboard”, “vegetable” | |
13.1 | d,l-limonene | “citrus” |
Dominant impact-priority subset at the time of on-site assessment and odor collection.