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Cleaning plastic can release harmful chemicals — Level A1 — Aquafina bottles are made with 100% recycled plastic.

Cleaning plastic can release harmful chemicalsCEFR A1

21 Apr 2026

Adapted from Dave Roepke - Iowa State, Futurity CC BY 4.0

Photo by Zoshua Colah, Unsplash

Level A1 – Beginner
2 min
72 words
  • Researchers studied cleaning of plastic before recycling facilities today.
  • Some cleaning methods can release harmful chemicals into water.
  • The study is from Iowa State University research team.
  • It looked at polypropylene for dairy tubs and food.
  • Some methods did not release chemicals in tests here.
  • Ultrasonic and detergent methods released two chemicals in tests.
  • Reused wash water showed chemical levels that rose quickly.
  • Researchers suggest ways to reduce these chemical risks now.

Difficult words

  • researcherperson who studies and tests things
    Researchers
  • chemicalsubstance that can change things
    chemicals
  • recyclingprocess to make used items new
  • ultrasonicuses very high sound waves
  • detergentsoap used to clean things
  • reuseuse something again instead of throwing away
    Reused

Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.

Discussion questions

  • Do you clean plastic before you recycle it?
  • Do you ever reuse wash water when you wash things?

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