Fig. 2From: Relating volatiles analysis by GC–MS to Oddy test performance for determining the suitability of museum construction materialsMaterial suitability determined by EGA (shaded histogram bars) compared to actual averaged Oddy test results (height of histogram bars). Color indications are described in the text. Actual Oddy test result scores are displayed on the y-axis by the height of the histogram bars. Error bars indicate 1σ of the average score and highlight the variability between trained readers along with variability in the test itselfBack to article page