603532

From Suffolk County, New York on July 11, 2025

Assumed to be heroin

2 major substances detected:

fentanyl
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.

Looks = tan, powder

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

Major substances in graph:

Peak: 10.31 = fentanyl

Peak: 9.16 = 4-ANPP

Method(s): GCMS

Record for Sample 603532 last updated July 24, 2025