R221 Preliminary Results

Shipped: April 04, 2022

R221 Preliminary results

Method Group Mean/Median/MU%
R221-1: Pseudomonas aeruginosaR221-2: E. coliR221-3: Enterococus spp.
Membrane Filtration
cfu/100ml
180/172/24.785/83/23.3269/260/17.1
Enzyme Substrate/MPN
MPN/100ml
142.9/142.5103.3/111.2*103.7/93.3

MU (%): Measurement Uncertainty in percentage outliers excluded in group means

*outliers were not included in group mean/median/MU calculations

Posted in critiques, Water Microbiology Results