Thirteen volunteer panelists were trained according to Standard Method 2170, flavor profile analysis (FPA). Following training these panelists underwent triangle test screening to determine whether or not they could detect the odorants used in this study. Following triangle testing, panelists underwent directional difference testing to determine if temperature affected odor perception when presented with two water samples. Following directional difference testing, panelists used FPA and evaluated water samples that contained odorants at either 25 C or 45 C. Samples containing geosmin cooled to 5 C were also evaluated.

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