W161, H161, and R161 Preliminary results

Shipped: April 11, 2016

W161 Preliminary results

Sample NumberOrganismTotal Colony Count (Group Means)
Membrane Filtration Method cfu/100mL
Total coliformsThermotolerant coliformsE.coli
W161-1E. coli33±3, MU 8%28±7, MU 7%33±3, MU 8%
W161-2E. coli33±3, MU 8%28±7, MU 7%33±3, MU 8%
W161-3No organisms present0 ± 00 ± 00 ± 0
W161-4Enterobacter aerogenes34±4, MU 11%0 ± 00 ± 0

MU: measure of uncertainty

H161 Preliminary results

SamplesTotal Colony Count (Group Means)
H161-189±19, MU 21%
H161-20±0
H161-399±16, MU 16%
H161-4 89±19, MU 21%

R161 Preliminary results

SamplesOrganismTotal Colony Count cfu/100mL
R161-1Pseudomonas spp.352±113, MU 32%
R161-2E. coliTotal coliforms: 53±5, MU 10%
Thermotolerant coliform: 51±7, MU 15%
Fecal coliforms: 53±5, MU 10%
R161-3Enterococus spp.79±11, MU 21%

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

Posted in Water Microbiology Results