Column: Breaking down what's recyclable, and what's not - Point/Plover Metro Wire
Resin identification code - Wikipedia
Resin Identification Codes
Shawnee County Kansas - The Plastic Recycling Symbol or "Resin Identification Code" is used to show the consumer which type of plastic resin was used to make the product. These numbers alone
What is resin code? How are resin codes numbered?
Recycling Myth of the Month: Those numbered symbols on single-use plastics do not mean 'you can recycle me' - Oceana