The Environmental Protection Agency and at least one retailer have done an about face on a chemical linked to dozens of deaths, but health advocates want more. Methylene chloride is an ingredient in paint strippers. It’s sold at hardware stores and it’s also used commercially. Serious acute risks Beth Kemler is with the group Safer Chemicals, Healthy Families. "I don't think that there is a way that you could possibly warn the public enough. I think it just needs to be off the shelves," she says