22,209 samples completed from 42 states. Last updated Friday, June 12, 2026.
818723
From Muskegon, Michigan on May 18, 2026
Assumed to be ketamine
2 major substances detected:
- dimethyl sulfone (methylsulfonylmethane MSM)
- ketamine
Looks = white, fine, powder
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Major substances in graph:
Peak: 2.32 = dimethyl sulfone (methylsulfonylmethane MSM)
Peak: 7.14 = ketamine
Method(s): GCMS
Record for Sample 818723 last updated May 29, 2026