An employee at a municipal water treatment plant was experiencing chest pain, nausea, and burning of the eyes and throat. The industrial hygienist has determined that it may be due to chlorine exposure at which levels?

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Question 1

An employee at a municipal water treatment plant was experiencing chest pain, nausea, and burning of the eyes and throat. The industrial hygienist has determined that it may be due to chlorine exposure at which levels?

	Coke
	Carbon black
	Coal gas
	Coal tar pitch
	Coal tar
	Creosote oil
	Coal tar distillate
	Anthracite
	Lignite
	Charcoal

A.	Coal that has a specific gravity of 1.29
B.	Residue remaining after wood, nut shells or peach pits are heated in the absence of air
C.	Liquid produced from the heating of coal that can be used for waterproofing when sealing roofs
D.	Solid residue that is left when coal and coal tar pitch are heated in the absence of air
E.	Mixture consisting of ammonia, carbon monoxide, hydrogen cyanide, methane, and hydrogen sulfide produced when coal is heated in the absence of air
F.	A finely divided form of carbon that is produced when coal tar burns in a furnace with limited air
G.	Coal that has 0.4 to 1.9% sulfur content
H.	Any fraction obtained by distilling coal tar
I.	Residue left after coal is heated to 350 deg C in the absence of air
J.	Product obtained from the distillation of coal tar

1. Coal gasification electric power plants are now operating commercially in the United States and in other nations. This technology produces clean-burning hydrogen that can be transferred to customer facilities by pipeline. Hydrogen can also be transported in bulk by highway or rail.

a. If there is a spill of liquid hydrogen, why will it likely burst into flame spontaneously?

b. Why do experts recommend the use of a thermal-imaging camera for detecting a hydrogen leak from a pipe fitting connected to a steel cylinder of hydrogen?

Your total response must be at least 200 words in length.

1. A chlorine manufacturing company offers a rail carrier 2700 lb (1227 kg) of liquefied compressed chlorine for transportation contained in a ton-container.

a. Describe how this rail carrier will comply with DOT transportation requirements.

b. Provide at least two examples to demonstrate the corrosive nature of chlorine gas.

Your total response must be at least 200 words in length.