Microbial populations in this study.
All bacteria capable of growth and colony formation on a mixture of complex organic carbon compounds
Growth on 0.1 X Trypticase Soy Agar (TSA) after incubation for 5 days at 25°C
Subset of the heterotrophic community resistant to the biocide triclosan
Growth on 0.1 X TSA supplemented with 2.0
(final concentration) triclosan