Super R.I.C.!

Sources:

Resin Identification Codes (Recycling Numbers):

• https://www.goodhousekeeping.com/home/g804/recycling-symbols-plastics-460321/

• https://sustainablepackaging.org/101-resin-identification-codes/

• https://www.coda-plastics.co.uk/blog/a-guide-to-plastics-and-resin-codes

• https://yesstraws.com/blogs/news/types-of-plastic-plastic-numbers-guide

• https://www.deluxe.com/products/support/resin-identification-code/

• (History of RIC) https://www.astm.org/SNEWS/SO_2008/wilhelm_so08.html

Styrofoam (#6 plastic):

• https://science.howstuffworks.com/environmental/green-science/polystyrene-recycling.htm

• https://www.countryliving.com/uk/homes-interiors/interiors/a29697121/is-polystyrene-recyclable/