W193 & H193 Preliminary Results

Shipped: October 28, 2019

W193 Preliminary results

Sample NumberOrganismTotal Colony Count (Group Means)
Membrane Filtration Method cfu/100mL
Total coliformsThermotolerant coliformsE.coli
W193-1no organisms present0 ± 0, MU 0%0 ± 0, MU 0%0 ± 0, MU 0%
W193-2Enterobacter species14.3 ± 3.4, MU 23.7%
0 ± 0, MU 0%
0 ± 0, MU 0%
W193-3E. coli59.1±10.6, MU 18.0%58.9±11.4, MU 19.4%59.4±11.1, MU 18.6%
W193-4E. coli 28.8±7.0, MU 24.3%30.5±5.7, MU 18.8%

29.0±7.3, MU 25.2%

MU: measure of uncertainty

H193 Preliminary results

SamplesOrganismTotal Colony Count (Group Means)
H192-1E. coli 108.5±14.5, MU 13.4%
H192-2E.coli48.8±10.4, MU 21.2%
H192-3Enterobacterspecies 52.0±7.4, MU 14.2%
H192-4E.coli114.2±15.4, MU 13.5%

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

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