W172 Drinking Water – Final Results – Survey Shipped: July 10, 2017

W172 Final results(PDF)


ChallengeIndividual Challenges and Water Methodology Charts (pdf)
W172-1: E. coli MPNMFESPA - All
W172-2: Enterobacter speciesMPNMFES
W172-3: E. coli MPNMFES
W172-4: 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