W192 Drinking Water – Final Results – Survey Shipped: July 8, 2019
W192 Final results(PDF)
Challenge Individual Challenges and Water Methodology Charts (pdf)
W192-1: Enterobacter species MPN MF ES PA - All
W192-2: E. coli MPN MF ES
W192-3: No organisms present MPN MF ES
W192-4: E. coli MPN MF ES
Method and Analysis Time (hs) Charts MPN Time MF Time ES Time
MPN: most probable number; MF: membrane filtration; ES: enzyme substrate; PA: presence/absence
