Table 2: Microbial populations in this study.

CommunityMicroorganisms includedCulture method

Culturable heterotrophsAll bacteria capable of growth and colony formation on a mixture of complex organic carbon compoundsGrowth on 0.1 X Trypticase Soy Agar (TSA) after incubation for 5 days at 25°C

Triclosan-resistantSubset of the heterotrophic community resistant to the biocide triclosanGrowth on 0.1 X TSA supplemented with 2.0 μg mL−1 (final concentration) triclosan