The Mississippi Supreme Court found the pollution exclusion ambiguous under the facts presented. Omega Protein, Inc. v. Evanston Ins. Co., 2022 Miss. LEXIS 90 (Miss. March 31, 2022).
Omega Protein, Inc., entered a contract with Ascu-fab to perform welding and other fabrication work at their facility. Accu-fab was required to have CGL coverage naming Omega as an additional insured. Accu-fab purchased a $1 million primer policy from Colony Insurance Company and a $5 million excess policy issued by Evanston Insurance Company.
Accu-fab performed welding and other fabrication work on a large metal storage tank used for the temporary storage of stickwater, which was a liquid composed of water, fish oil, and fish solids. An explosion occurred at the Omega plant while Accu-fab workers were welding and grinding on a large metal tank that was used for the temporary storage of stickwater. One of Accu-fab's workers , Jerry Lee Tayler, was killed, another was seriously injured, and still others suffered less serous injuries.