What is BPA? What Petfood cans contain it?

Visions & Voices of Garrard Co: "BPA or Bisphenol A is a hot topic these days with health conscious consumers and petsumers. Pet owners, concerned about the risks associated with BPA are contacting their pet food companies asking if canned pet foods contain the chemical. However, many Pet Food answers to the BPA questions seem to be as varied as pet food itself. Which pet food companies are using BPA lined cans and which are not…you judge by their responses and the available information. "