If coliform bacteria are native to human colons, why the big concern over coliform contamination? Table 4 MPN Index" (MPN Index Based on 95 Percent Confidence Limits)Number of tubes giving positive reaction out ofNumber of tubes giving positive reaction out of5 undilutedsamples(dilutionfactor-1)5 dilutionsof 10(dilutionfactor-10)5 undilutedsamples(dilutionfactor-1)5 dilutionsof 1005 dilutionsof 105 dilutionsof 100(dilutionfactor-100)MPN IndexMPN Index(dilutionfactor-100)per100 ml.(dilutionfactor-10)per100 ml<2126232723334341523130114401153016115045160275070952902953802312311033140111533170311513014170314220317542801354350117240117513002155001269002224160052 1600*Multiply the MPN Index by the smallest dilution tactor from the series used when dilutions other than 1, 10, and 100 are used. Standard Methods forthe Examination of Water and Wastewater, 10th ed.

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If coliform bacteria are native to human colons, why the big concern over coliform contamination?

Curren'S Math For Meds: Dosages & Sol

11th Edition

ISBN:9781305143531

Author:CURREN

Publisher:CURREN

Chapter6: Oral Medication Labels And Dosage Calculation

Section: Chapter Questions

Problem 7.2P

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Question

If coliform bacteria are native to human colons, why the big concern over coliform contamination?

Table 4 MPN Index" (MPN Index Based on 95 Percent Confidence Limits)
Number of tubes giving positive reaction out of
Number of tubes giving positive reaction out of
5 undiluted
samples
(dilution
factor-1)
5 dilutions
of 10
(dilution
factor-10)
5 undiluted
samples
(dilution
factor-1)
5 dilutions
of 100
5 dilutions
of 10
5 dilutions
of 100
(dilution
factor-100)
MPN Index
MPN Index
(dilution
factor-100)
per
100 ml.
(dilution
factor-10)
per
100 ml
<2
1
26
2
3
27
2
3
33
4
34
1
5
23
1
30
1
1
4
40
1
1
5
30
1
6
1
1
50
4
5
1
60
2
7
50
70
9
5
2
90
2
9
5
3
80
2
3
12
3
110
3
3
140
1
11
5
3
3
170
3
11
5
130
14
170
3
14
220
3
17
5
4
280
13
5
4
350
1
17
240
1
17
5
1
300
21
5
500
1
26
900
2
22
4
1600
5
2 1600
*Multiply the MPN Index by the smallest dilution tactor from the series used when dilutions other than 1, 10, and 100 are used. Standard Methods for
the Examination of Water and Wastewater, 10th ed.

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