Birdsfoot Delta

Mile 184.6 - LBD - Rubicon and Lion Copolymer

John Ruskey

20 Apr 2026

184.6 LBD - Rubicon and Lion Copolymer

The Rubicon plant in Geismar produces Methylene Diphenyl Isocyanate (MDI), Maleic Anhydride, Hydrochloric Acid (HCI), Polyols, Nitrobenzene, Aniline, Diphenylamine (DPA) used for the manufacture of Polyurethane Insulation, Furniture and Bedding, Adhesives, Coatings and Elastomers, Composite Wood Products, Footwear, Molded Plastics, and Pharmaceuticals. In September 2014 6 workers at the plant were exposed to Nitrobenzene (a toxin and possible human carcinogen), 3 required hospitalization.

Lion Copolymer is located on the other side of Rubicon and produces ethylene propylene diene monomer (EPDM) synthetic rubber.

Toxic Releases (TRI) for 2013 in pounds:

Lion Copolymer:
Air: 802,976
Water: 6,845

Rubicon:
Air: 324,039
Water: 110

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