W203 Drinking Water – Final Results – Survey Shipped: October 26, 2020
W203 Final results(PDF)
Challenge Individual Challenges and Water Methodology Charts (pdf)
W203-1: E. coli MPN MF ES PA - All
W203-2: E. coli MPN MF ES
W203-3: E. coli MPN MF ES
W203-4: Enterobacter species 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
