The product, shipped to wholesalers and distributors in Alabama, Florida, Tennessee, Texas, and Virginia, was distributed in 20-pound bulk cartons containing individual vacuumed-packed tuna loins weighing five to seven pounds each.

The cartons bear the lot number 928378. Additionally, the cartons are marked with a SN# 43910, Best By: 07/06/12, UPC code 10075391967918 and item number 6217408, Jacksonville, Fla.-based Beaver Street said Thursday.

The company was notified by one of its customers about the problem on Oct. 27, conducted its own testing that same day, and sent samples to an independent lab, which verified the company's results of elevated levels in two of the 10 samples tested, Glenn Klauer, director of quality assurance, told IntraFish.

The