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14,100 samples completed from 41 states. Last updated Tuesday, July 1, 2025.
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811559

From Everett, Washington on May 19, 2025

Assumed to be fentanyl

3 major substances detected:

  • acetaminophen
  • 4-ANPP
  • fentanyl

Fentanyl is potent and the amount changes by batch. If you weren't expecting it, consider getting test strips online or from a harm reduction program. Carry naloxone (Narcan) to reverse overdoses. Don't use alone so someone can help if you go out.

Looks = white, powder, dull

Need free supplies and advice to keep you safe? Find your nearest harm reduction program at harmreduction.org

Major substances in graph:

Peak: 6.39 = acetaminophen

Peak: 9.17 = 4-ANPP

Peak: 10.34 = fentanyl

Method(s): GCMS

Record for Sample 811559 last updated June 9, 2025