Acetyl chloride is a colorless, fuming liquid used primarily in the chemical industry.

a)How is acetyl chloride produced? If 915 gallons is produced and shipped, will DOT require the carrier to display the FLAMMABLE placard? Explain your answer.
b)When there is a bulk spill of this chemical, why is it necessary to prevent the liquid from entering nearby streams and lakes?

Here is everything you ever wanted to know about acetyl chloride.

http://en.wikipedia.org/wiki/Acetyl_chloride