Live Report of Samples Received by UNC

📍 A note on geography. Seeing more samples from one location doesn't mean that that location is seeing more of this substance than other places. These are early days, and programs are preferentially sending us samples that they think might contain it. The widespread nature of the substance does provide clues about the extent of its distribution. There are plenty of places we don't get samples from, so not seeing a location on this list doesn't mean carfentanil is not present locally.

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Column Names

sampleid is the UNC tracking number.

date_collect is the date sample was collected by local harm reduction program.

state_county is the state and county of sample collection.

abundance designates if carfentanil was detected in primary or trace abundance. "Trace" is designated is the peak is less than 5% peak height of most abundant species detected on chromatogram.

expectedsubstance are the substances it was sold as or expected to be based on participant experience or harm reduction program FTIR analysis.

lab_num_substances_any are the number of unique molecules detected by GCMS. "1" means that only carfentanil was identified on GCMS.

other_drugs is other substances detected on GCMS in the sample beyond carfentanil, in primary or trace abundance.

color relates to the physical appearance of the original power/rock form of the street drug

sensations and overdose are self-reported by the participant donating the sample. Blank values indicate no response was received by UNC.

Primary or Trace abundance?

When carfentanil is detected, "trace" is designated if the peak is less than 5% peak height of most abundant species detected on chromatogram, also considering shape of peak, etc.

Powder or Pill?

Overdoses

Sensations Reported

Sensations reported for samples that also contained carfentanil. Nearly all samples contained other psychoactive substances, so this does not represent sensations specific to carfentanil, but rather sensations in situ with other substances in the real world drug supply.

List of other substances found in carfentanil-containing samples, in either primary or trace abundance, as detected by GCMS using untargeted search.

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