American Vanguard Corporation

[1] American Vanguard trades on the New York Stock Exchange (NYSE) under the ticker symbol "AVD.

In 1991, over 19,000 gallons of metam sodium manufactured by Amvac Chemical Corporation spilled from a train derailment into Shasta Lake.

[7] In 2001, AMVAC began producing the herbicide DCPA (Dimethyl tetrachloroterephthalate, trade name Dacthal) for the American market.

[8] In 2007, Amvac paid $300,000 in a pre-trial settlement with six workers who were exposed to dibromochloropropane (DBCP) on a Dole Food Company-operated banana plantation in the 1970s.

[11] In August 2024, the Environmental Protection Agency (EPA) issued an emergency order to immediately remove DCPA from the market.