November 21, 2022
Drug Checking Quarterly Report (Q3 2022): Philadelphia, Pennsylvania, USA
Summary and Key Findings:
  • 219 samples were tested between May and September 2022
  • Fentanyl-xylazine (tranq-dope) proportions varied greatly
  • The average fentanyl purity was 11.7% (range: 0.3-34.8%)
  • The average xylazine purity was 33.8% (range: 0-64.8%)
  • Most dope samples (91%) contained fentanyl and xylazine
  • Synthetic cannabinoids remain dynamic and unpredictable
  • Counterfeit Xanax tablets tested positive for clonazolam
  • Cocaine purity varied greatly (average: 37.8%, range: 0.2-81.8%)
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