c) Assuming that at the time of release, 800 workers were exposed to the escaping ammon for 1200 s, using the probit relationship given by Eq. (5) and Figure QC-1, determine th ammonia concentration that would result in 160 of the workers dying. Pr = -15.6 +1.0 In (C².6t) (5) Where: Pr is the probit value C is the concentration of ammonia, ppm t is exposure duration, s 2 5 7 Probit Value Figure Qc-1: Lethality vs Probit value for ammonia Lethality Percentage 100 90 80 70 60 50 40 30 20 10 0 0
c) Assuming that at the time of release, 800 workers were exposed to the escaping ammon for 1200 s, using the probit relationship given by Eq. (5) and Figure QC-1, determine th ammonia concentration that would result in 160 of the workers dying. Pr = -15.6 +1.0 In (C².6t) (5) Where: Pr is the probit value C is the concentration of ammonia, ppm t is exposure duration, s 2 5 7 Probit Value Figure Qc-1: Lethality vs Probit value for ammonia Lethality Percentage 100 90 80 70 60 50 40 30 20 10 0 0
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
Related questions
Question
![Assuming that at the time of release, 800 workers were exposed to the escaping ammonia
for 1200 s, using the probit relationship given by Eq. (5) and Figure QC-1, determine the
ammonia concentration that would result in 160 of the workers dying.
Pr = -15.6 +1.0 In (C².6t) (5)
Where:
Pr is the probit value
C is the concentration of ammonia, ppm
t is exposure duration, s
1
2
3
5
7
Probit Value
Figure Qc-1: Lethality vs Probit value for ammonia
Lethality Percentage
100
90
80
70
60
50
40
30
20
10
0
0
CO
CO](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff40567ce-b323-48b4-b90b-040f0aca4cd7%2F13f2063b-2a6d-4e4e-a822-6786a51799d2%2Fcuksrkl_processed.png&w=3840&q=75)
Transcribed Image Text:Assuming that at the time of release, 800 workers were exposed to the escaping ammonia
for 1200 s, using the probit relationship given by Eq. (5) and Figure QC-1, determine the
ammonia concentration that would result in 160 of the workers dying.
Pr = -15.6 +1.0 In (C².6t) (5)
Where:
Pr is the probit value
C is the concentration of ammonia, ppm
t is exposure duration, s
1
2
3
5
7
Probit Value
Figure Qc-1: Lethality vs Probit value for ammonia
Lethality Percentage
100
90
80
70
60
50
40
30
20
10
0
0
CO
CO
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