W161 Drinking Water – Final Results – Survey Shipped: 11 April, 2016
W161 Final results (PDF)
Challenge Individual Challenges and Water Methodology Charts (pdf)
W161-1: E. coli MPN MF ES PA - All
W161-2: E. coli MPN MF ES
W161-3: no organisms present MPN MF ES
W161-4: Enterobacter species MPN MF ES
Method and Analysis Time (hs) Charts MPN Time MF Time ES Time PA Time
MPN: most probable number; MF: membrane filtration; ES: enzyme substrate; PA: presence/absence
