Module 5 Quiz
Go to the AMOCO MSDS site for styrene monomer,http://hazard.com/msds/mf/amoco/files/01259000.html . Questions 1 through 8 refer to styrene. http://hazard.com/msds/mf/amoco/files/01259000.html
1. If you were drawing an NFPA fire diamond for styrene, what number goes in
the Red portion of the diamond?
2. What number goes in the Yellow?
3. What number goes in the Blue?
4. What goes in the White?
a.) Water reactive
5. Translate those numbers to words and write a long sentence that describes the hazards to fire fighters from a tank of styrene monomer.
6. If you cross check the MSDS for styrene and the NIOSH book, you will note
several different exposure limits. (I'm not sure why they list the years the
standards changed, but only the latest is important.) Which one is the lowest:
7. Regarding the LEL contrast that with the PEL.
a.) The LEL is about 2000-fold higher than the PEL
b.) The LEL is about 200-fold higher than the PEL
c.) The LEL is about 20-fold higher than the PEL
d.) The PEL is higher.
8. There is another conflict, between the details of the MSDS sheet and NIOSH regarding the effect of styrene on the skin. Write a few lines describing the difference.
9.) What was the chemical that injured thousands of people in Bhopal:
a.) Menthol-indol cyanide
b.) Methyl isocyanate
c.) Morphine isopropyl carbonate
d.) Nothing, it was just a fabrication of the lawyers.
10.) There were several problems at the Bhopal plant that a proper process
safety analysis may have discovered and perhaps some operations problems. Which
of these does the story mention? (Choose two that are correct.)
a.) Inappropriate introduction of water into the storage tank
b.) Cows wandering inside the plant
c.) A leaking vent line released the MIC directly to the atmosphere
d.) Drunken employees
e.) Neither the scrubber or flare tower was operational at the time of the incident.
f.) Lack of earthquake protection.
11.) A careful analysis of possible similar incidents in the mid-1980's disclosed
that such a disaster could not occur in the U.S., especially at Union Carbide,
with their heighten safety awareness.
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