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20,174 samples completed from 41 states. Last updated Friday, March 20, 2026.
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816987

From Everett, Washington on February 23, 2026

Assumed to be fentanyl

4 major substances detected:

  • medetomidine
  • 4-ANPP
  • fentanyl
  • phenethyl 4-ANPP

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.

There are a lot of different substances in this sample. We don't know the harms that some of these can cause. Be careful and be prepared for unexpected reactions.

Looks = white, chunky, powder

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

Major substances in graph:

Peak: 7.39 = medetomidine

Peak: 9.24 = 4-ANPP

Peak: 10.47 = fentanyl

Peak: 14.03 = phenethyl 4-ANPP

Method(s): GCMS

Record for Sample 816987 last updated March 10, 2026