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21,165 samples completed from 42 states. Last updated Monday, May 4, 2026.
Data Use & Protection Statement
Spectra image for sample 605235

605235

From Pittsburgh, Pennsylvania on April 4, 2026

Assumed to be fentanyl

2 major substances detected:

  • medetomidine
  • tetracaine

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

There were just traces of fentanyl. This could have been contamination, like if drugs were stored in old bags. But since fentanyl is so potent you should be prepared. Consider getting fentanyl test strips online or from a harm reduction program if you weren't expecting it. Carry naloxone (Narcan) to reverse overdoses. Even traces of fentanyl could be a problem if you don't use opioids regularly. Don't use alone so someone can help if you go out.

Looks = white, powder

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

Major substances in graph:

Peak: 7.38 = medetomidine

Peak: 8.36 = tetracaine

Method(s): GCMS

Record for Sample 605235 last updated April 29, 2026