Dry-Cleaned Clothes (Perc)

Traditional perchloroethylene dry cleaning.

56Moderate burden · out of 100
Cleaner swapAir out garments; choose 'green' cleaners

How this score is built

  1. 100Start
  2. 77Chemical hazard 5 × 4.6−23
  3. 63.4Everyday exposure 4 × 3.4−13.6
  4. 56Persistence 3 × 2.6−7.8, then rounded to 56
  5. ModerateThe band56 sits in 40–59.

What each input rests on

The three ratings behind the score, and the studies each rests on
InputRatingEvidence
Chemical hazard5/10unsourced input
Everyday exposure4/10unsourced input
Persistence3/10

Ratings are editorial. A study listed here supports the rating; it did not compute it. How the index is built

What this means for you

Perc is a probable carcinogen that lingers in freshly cleaned fabric. Air garments outside the bag before wearing, or use wet/green cleaners.

Evidence strength: moderate

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Lower-exposure choices