2 Matching Annotations
  1. May 2020
  2. Nov 2019
    1. EPA Method 1603 is an approved drinking water assay that quantifies generic E. coli

      This drinking water assay contains a membrane (0.45 µm) filtration step to remove bacteria from the water sample prior to enrichment on selective and differential media. The bacteria CFUs are quantified directly on the filter following a lengthy enrichment