Compact Dry LS (Listeria species) Compact Dry LS is a simplified medium to determine Listeria species by the combination of selective agents and chromogenic substrates. Incubation Manufacturer’s recommendation: 35±1℃ for 24±2 hours Result Interpretation Count light blue/blue colonies for Listeria species. Call usEmail usDownloadProcedures Related PostsCompact Dry CF (Coliform)September 22, 2023Compact Dry TCR (Total Viable Count Rapid)June 23, 2022Compact Dry ETC (Enterococci)June 23, 2022Compact Dry LM (Listeria Monocytogenes)April 12, 2022Compact Dry PA (Pseudomonas Aeruginosa)March 11, 2022Compact Dry TC (Total Viable Count)July 20, 2020Compact Dry EC (E. coli & Coliform)July 19, 2020Compact Dry YM (Yeast & Mold)July 18, 2020Compact Dry YMR (Yeast and Mold Rapid)July 17, 2020