Packaging materials may cause 55-gallon plastic drum controversy.
D002617:Chemical Industry; D006801:Humans; D011095:Polyethylenes / Q000009:adverse effects*; D011143:Polyvinyl Chloride / Q000009:adverse effects*; D011145:Polyvinyls / Q000009:adverse effects*
D011095:Polyethylenes; D011145:Polyvinyls; D011143:Polyvinyl Chloride