Question - What currently phased out, odorless, colorless fumigant gas, used to control a wide variety of pests in agriculture and shipping, including fungi, weeds, insects, nematodes (or roundworms), and rodents, has been noted to be an important ozone depleting agent?
Answer - Methyl bromide (https://www.epa.gov/ods-phaseout/methyl-bromide; accessed November 2018)
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