On february 12, 1989, union carbide discovered that acrolein was leaking from their production facility on…

Original warning text

Union Carbide; Norco, Louisiana.
Norco, Louisiana.
1. On February 12, 1989, Union Carbide discovered that acrolein was leaking from their production facility on the Mississippi River near Norco Ferry, 20 miles west of New Orleans. The production unit was shut down for testing and repair, but on February 27, a water quality alarm alerted Union Carbide that one gallon of acrolein and isopropyl ether per hour were leaking in the cooler water exchange system. Although the production unit was reported shut down, product continued to be lost. USCG district 8.
2. COMMODITY: ACROLEIN.
3. POSITION 29.996N 090.413W. NOAA INCIDENTNEWS 6671: https://incidentnews.noaa.gov/incident/6671