i'm not dead after 7 years?
I did some cheesemaking for a brief time and this was a common question on the cheesemaking forum. it's an easy web page search and worth checking . Personally I like to know if I might poison family and friends. http://www.sterilite.com/general_info.html
General Sterilite Info
Q: What materials are used to manufacture Sterilite products?
A: Our products are made of polypropylene and polyethylene that are safe for food storage. No PVCs, Latex, Teflon, Phthalates chemicals, fungicides, Bishphenol A (BPAs), or antibacterial chemicals are used in our manufacturing process. Our clear (see-through) products are acid-free, and safe for storing photos, fabrics, craft, or hobby items and other keepsakes. We do not recommend the use of plastic products for negatives that are glass plate, nitrate or acetate-based.