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12,250 samples completed from 40 states. Last updated Wednesday, April 23, 2025.
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603307

From Roanoke City, Virginia on April 14, 2025

Assumed to be heroin; fentanyl

3 major substances detected:

  • 1,3-Diacetin
  • acetaminophen
  • tetracaine

But we found lots of contaminants too, with traces of menthol + caffeine + medetomidine + xylazine + 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.

Xylazine causes serious skin problems. These can happen anywhere on the body and don't heal quickly. And, xylazine can come on stronger than traditional dope and knock you out, so be mindful of your surroundings. It's best to avoid dope with xylazine. You might need medical attention to prevent long-term damage.

Looks = yellow, fine, powder

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

Major substances in graph:

Peak: 4.74 = 1,3-Diacetin

Peak: 6.4 = acetaminophen

Peak: 8.4 = tetracaine

Method(s): GCMS

Record for Sample 603307 last updated April 23, 2025