2.61. The following MPN test results were obtained for three water samples. Determine the MPN/100 mL using (a) the Poisson distribu- tion (Eq. (2.90)), (b) the MPN tables given in Appendix G, and (c) the Thomas equation (Eq. (2.91))- NUMBER OF POSITIVE TUBES SAMPLE SIZE, ml Sample A Sample B Sample C 0.1 4 0.01 4 0.001 0.0001 1 1 2150
2.61. The following MPN test results were obtained for three water samples. Determine the MPN/100 mL using (a) the Poisson distribu- tion (Eq. (2.90)), (b) the MPN tables given in Appendix G, and (c) the Thomas equation (Eq. (2.91))- NUMBER OF POSITIVE TUBES SAMPLE SIZE, ml Sample A Sample B Sample C 0.1 4 0.01 4 0.001 0.0001 1 1 2150
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Problem 2.61
![NUMBER OF POSITIVE TUBES
SAMPLE SIZE,
mL
Sumple A
Sample B
Sample C
0.1
0.01
0.001
0.0001
4
4
2
4
21
1
2.
2.61. The following MPN test results were obtained for three water
samples. Determine the MPN/100 mL using (a) the Poisson distribu-
tion [Eq. (2.90)]. (b) the MPN tables given in Appendix G, and (c)
the Thomas equation (Eq. (2.91)]).
NUMBER OF POSITIVE TUBES
SAMPLE SIZE
mL
Sample A
Sample B
Sample C
0.1
2.
4
0.01
2.
4
0.001
2.
0.0001
2.62. Four water samples have been analyzed for coliform bacteria using
the MPN test procedure. From the results given below, calculate the
MPN of each sample using (a) the Poisson equation [Eq. (2.90)). (b)
the MPN tables given in Appendix G, and (c) the Thomas equation
[Eq. (2.91)).
NUMBER OF POSITIVE TUBES
SAMPLE
DILUTION
Sample A
Sample B
Sample C
Sample D
10.00
1.00
0.10
3
2.
0.01
0.001
4.
0.0001
REFERENCES
2.1. Applebaum, S. B., (1968), Demineralization By Ion Exchange,
Academic Press, New York.
2.2. Benefield, L. D., J. F. Judkins, and B. L. Weand, (1982),
Chemirtru Fa
Process](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fded4d143-e6bc-43a7-af80-2ef19d02a5d5%2F830639ee-c55a-47ed-b1b4-1a419a30ce9c%2Fex0y2lh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:NUMBER OF POSITIVE TUBES
SAMPLE SIZE,
mL
Sumple A
Sample B
Sample C
0.1
0.01
0.001
0.0001
4
4
2
4
21
1
2.
2.61. The following MPN test results were obtained for three water
samples. Determine the MPN/100 mL using (a) the Poisson distribu-
tion [Eq. (2.90)]. (b) the MPN tables given in Appendix G, and (c)
the Thomas equation (Eq. (2.91)]).
NUMBER OF POSITIVE TUBES
SAMPLE SIZE
mL
Sample A
Sample B
Sample C
0.1
2.
4
0.01
2.
4
0.001
2.
0.0001
2.62. Four water samples have been analyzed for coliform bacteria using
the MPN test procedure. From the results given below, calculate the
MPN of each sample using (a) the Poisson equation [Eq. (2.90)). (b)
the MPN tables given in Appendix G, and (c) the Thomas equation
[Eq. (2.91)).
NUMBER OF POSITIVE TUBES
SAMPLE
DILUTION
Sample A
Sample B
Sample C
Sample D
10.00
1.00
0.10
3
2.
0.01
0.001
4.
0.0001
REFERENCES
2.1. Applebaum, S. B., (1968), Demineralization By Ion Exchange,
Academic Press, New York.
2.2. Benefield, L. D., J. F. Judkins, and B. L. Weand, (1982),
Chemirtru Fa
Process
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