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17,981 samples completed from 41 states. Last updated Thursday, December 11, 2025.
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602816

From Concord, North Carolina on November 20, 2025

Assumed to be fentanyl

4 major substances detected:

  • methamphetamine
  • acetaminophen
  • 4-ANPP
  • fentanyl

And we also found traces of lidocaine + ethyl 4-ANPP. Trace substances in small quantities are usually harmless, but can sometimes cause health problems. Unexpected sensations may be due to these.

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 = unknown color, powder, fine

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

Major substances in graph:

Peak: 3.87 = methamphetamine

Peak: 6.22 = acetaminophen

Peak: 9 = 4-ANPP

Peak: 10.09 = fentanyl

Method(s): GCMS

Record for Sample 602816 last updated December 2, 2025