W181 Drinking Water – Final Results – Survey Shipped: April 09, 2018

W181 Final results(PDF)


ChallengeIndividual Challenges and Water Methodology Charts (pdf)
W181-1: Enterobacter speciesMPNMFESPA - All
W181-2: BlankMPNMFES
W181-3: E. coli MPNMFES
W181-4: Enterobacter species MPNMFES
Method and Analysis Time (hs) ChartsMPN TimeMF TimeES Time

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



Posted in critiques, Water Microbiology Results