Air contaminant tests reveal the following concentrations over an 8-hr shift.(All values in ppm):
$\begin{array}{|l|c|c|c|c|}
\hline & \begin{array}{c}
(\mathrm{PEL}=150) \
\text { Isobutyl } \
\text { acetate }
\end{array} & \begin{array}{c}
(\mathrm{PEL}=1000) \
\text { Ethyl } \
\text { Chloride }
\end{array} & \begin{array}{c}
(\mathrm{PEL}=300) \
\text { Cyclohexane }
\end{array} & \begin{array}{c}
\text { (PEL=25) } \
\text { Diethylamine }
\end{array} \
\hline 8: 00-9: 00 \mathrm{am} & 15 & 400 & 200 & 20 \
\hline 9: 00-11: 00 \mathrm{am} & 10 & 200 & 100 & 10 \
\hline 11: 00-1: 00 \mathrm{pm} & 10 & 300 & 150 & 10 \
\hline 1: 00-4: 00 \mathrm{pm} & 5 & 100 & 50 & 5 \
\hline \hline
\end{array}$ Show all calculations to justify your answers to the following:
a.Is the PEL for any individual substance exceeded?
b.Is the AL for any individual substance exceeded?
c.Is the PEL for the mixture exceeded?
d.Is the AL for the mixture exceeded?

Question

Air contaminant tests reveal the following concentrations over an 8-hr shift.(All values in ppm):
 $\begin{array}{|l|c|c|c|c|}
\hline & \begin{array}{c}
(\mathrm{PEL}=150) \
\text { Isobutyl } \
\text { acetate }
\end{array} & \begin{array}{c}
(\mathrm{PEL}=1000) \
\text { Ethyl } \
\text { Chloride }
\end{array} & \begin{array}{c}
(\mathrm{PEL}=300) \
\text { Cyclohexane }
\end{array} & \begin{array}{c}
\text { (PEL=25) } \
\text { Diethylamine }
\end{array} \
\hline 8: 00-9: 00 \mathrm{am} & 15 & 400 & 200 & 20 \
\hline 9: 00-11: 00 \mathrm{am} & 10 & 200 & 100 & 10 \
\hline 11: 00-1: 00 \mathrm{pm} & 10 & 300 & 150 & 10 \
\hline 1: 00-4: 00 \mathrm{pm} & 5 & 100 & 50 & 5 \
\hline \hline
\end{array}$ Show all calculations to justify your answers to the following: 
a.Is the PEL for any individual substance exceeded?
b.Is the AL for any individual substance exceeded?
c.Is the PEL for the mixture exceeded?
d.Is the AL for the mixture exceeded?

Quizplus · Accepted Answer

The Answer of Air contaminant tests reveal the following concentrations over an 8-hr shift.(All values in ppm):
 $\begin{array}{|l|c|c|c|c|}
\hline & \begin{array}{c}
(\mathrm{PEL}=150) \
\text { Isobutyl } \
\text { acetate }
\end{array} & \begin{array}{c}
(\mathrm{PEL}=1000) \
\text { Ethyl } \
\text { Chloride }
\end{array} & \begin{array}{c}
(\mathrm{PEL}=300) \
\text { Cyclohexane }
\end{array} & \begin{array}{c}
\text { (PEL=25) } \
\text { Diethylamine }
\end{array} \
\hline 8: 00-9: 00 \mathrm{am} & 15 & 400 & 200 & 20 \
\hline 9: 00-11: 00 \mathrm{am} & 10 & 200 & 100 & 10 \
\hline 11: 00-1: 00 \mathrm{pm} & 10 & 300 & 150 & 10 \
\hline 1: 00-4: 00 \mathrm{pm} & 5 & 100 & 50 & 5 \
\hline \hline
\end{array}$ Show all calculations to justify your answers to the following: 
a.Is the PEL for any individual substance exceeded?
b.Is the AL for any individual substance exceeded?
c.Is the PEL for the mixture exceeded?
d.Is the AL for the mixture exceeded?

Air Contaminant Tests Reveal the Following Concentrations Over an 8-Hr