Shipped: October 29, 2018
W183 Preliminary results
Sample Number Organism Total Colony Count (Group Means)
Membrane Filtration Method cfu/100mL
Total coliforms Thermotolerant coliforms E.coli
W183-1 Enterobacter species 36±4.6, MU 13%
0
0
W183-2 E. coli 58±4.0, MU 7%
54±4.2, MU 8%
58±4.0, MU 7%
W183-3 E. coli 17±4.5, MU 26%
19±3.9, MU 21%
17±4.5, MU 26%
W183-4 Blank 0 0 0
MU: measure of uncertainty
H183 Preliminary results
Samples Organism Total Colony Count (Group Means)
H183-1 E. coli 119±18.4, MU 15%
H183-2 E. coli 67±6.6, MU 10%
H183-3 Blank 0
H183-4 Enterobacter species 63±13.4, MU 21%
MU (%): Measurement Uncertainty in percentage outliers excluded in group means
ISO17043