(AP) — This Easter, Americans will devour more than 1 billion Peeps — those radiant marshmallow chicks whose appearance on store shelves each year is as much a herald of spring as azaleas at the Masters. Scott Faber, senior vice president for governmental affairs for the nonprofit Environmental Working Group, said the only reason the chemical is still deemed safe by federal regulators is because of a loophole that has been exploited by chemical companies. ”The company noted its development team is looking for other options, “including colors derived form natural sources that can deliver the same visual impact and stability as their certified counterparts