W161 Drinking Water – Final Results – Survey Shipped: 11 April, 2016

W161 Final results (PDF)


ChallengeIndividual Challenges and Water Methodology Charts (pdf)
W161-1: E. coliMPNMFESPA - All
W161-2: E. coli MPNMFES
W161-3: no organisms present MPNMFES
W161-4: Enterobacter species MPNMFES
Method and Analysis Time (hs) ChartsMPN TimeMF TimeES TimePA Time

MPN: most probable number; MF: membrane filtration; ES: enzyme substrate; PA: presence/absence

Posted in Water Microbiology Results