Below is a handy guide to plastics (Note to enlarge click on image.)
Use along side this guide from PBS on the safety of plastics SmartPlastics.pdf to help you make informed decisions about the plastics you buy and use.
TIPS FOR USE OF PLASTIC CONTAINERS WITH FOOD from PBS
•Avoid heating food in plastic containers. Heat can release chemicals so avoid heating food in plastic containers. For the same reason, only drink cold liquids from plastic containers.
• Wash plastic containers in mild detergents. Harsh detergents help liberate chemical from plastics making the container much more likely to leach chemicals into food.
• Avoid using plastic packaging where you can. For example, bring reusable bags when grocery shopping, and your own “to-go” containers when dining out.
• Select safe plastics for food storage
. Only use plastic containers with the recycling #1, #2, #4 and #5 for food storage. Consider switching to glass storage containers since plastic containers can leach chemicals into the environment and your food as they age and
Image from Seathos Foundation