Is Airborne 2,4,6-Trichloroanisole (TCA) a Threat for Bottled Wine?

Figure 2

Concentration (ng/L) of d₅-TCA in wine samples and closure extracts after 6, 12, and 24 months of storage (Natural Cork, Agglomerated Cork and Synthetic Stoppers). The values are means of three replicates ± standard deviations (<1 means < LOQ; nd means < LOD).