W183 Drinking Water – Final Results – Survey Shipped: October 29, 2018
W183 Final results (PDF)
Challenge Individual Challenges and Water Methodology Charts (pdf)
W183-1: Enterobacter species MPN MF ES PA - All
W183-2: E. coli MPN MF ES
W183-3: E. coli MPN MF ES
W183-4: blank 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
