I’ve been searching for a guide just like this for weeks. Leave it up to the brilliant minds at the David Suzuki Foundation to create it — a ‘handy, printable, perfect-for-your-fridge guide to which plastics are safer –which plastics are safe for what use and which are safe to re-use! Hurray!
Get your (pdf) guide to ‘Safer Plastics’ - Plastics by Number from the David Suzuki Foundation.