W173 & H173 Preliminary results

Shipped: October 23, 2017

W173 Preliminary results

Sample NumberOrganismTotal Colony Count (Group Means)
Membrane Filtration Method cfu/100mL
Total coliformsThermotolerant coliformsE.coli
W173-1Enterobacter species33±6.2, MU 19.1%00
W173-2Enterobacter species33±6.2, MU 19.1%00
W173-3E. coli54±8.6, MU 16.2%56±8.3, MU 14.9%54±8.6, MU 16.2%
W173-4E. coli35±8.9, MU 26.1%40±6.1, MU 15.3%35±8.9, MU 26.1%

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

H173 Preliminary results

SamplesOrganismTotal Colony Count (Group Means)
H173-1E. coli
83±10.6, MU 12.8%
H173-2No organism present0
H173-3E. coli 170±15.0, MU 8.8%
H173-4Enterobacter species 104±25.9, MU 24.9%

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

Posted in Water Microbiology Results, WBNews