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testRI Study Archive

 

Last Updated: 12/2023.
The drug supply continues to change and can change rapidly. The testRI study was conducted between May 2022 and December 2023 and the results of this study might not reflect the drug supply today. This page is still available for research and reference purposes.


On this page you can find an archive of our testRI Local Drug Supply Updates.

testRI was a study to find out what was in Rhode Island’s local drug supply. It is important to know that the samples collected and tested only showed us a small part of the drug supply in Rhode Island. These results may not represent the broader drug supply in the state.

To learn more about how we collect and test samples, read our published manuscript.


What was tested?

Below is a list of all the samples that were tested. We show where we collected samples and what substances we found in each sample. We also show the substance the person thought they were using under the “sold as” column.

Legend:
O = Opioids; S = Stimulants; B = Benzos; C = cannabinoids; A = Other active cut; M = Starting materials/byproducts;
H = hallucinogen/dissociative; * indicated substances that make up most of a sample


If you are interested in obtaining a copy of this data, please email rachel_wightman@brown.edu



What do the substances mean?

 
You can learn more about the substances we found during our study in this glossary.
 

If you are interested in obtaining a copy of this data, please email rachel_wightman@brown.edu


Supply Updates

 

August 2023

August 2023

August 2023 Supply Update
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July 2023

July 2023

July 2023 Supply Update
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June 2023

June 2023

June 2023 Supply Update
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May 2023

May 2023

May 2023 Supply Update
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April 2023

April 2023

April 2023 Supply Update
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March 2023

March 2023

March 2023 Supply Update 1
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February 2023

February 2023

February 2023 Supply Update 1
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February 2023 Supply Update 2
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January 2023

January 2023

January 2023 Supply Update 1
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January 2023 Supply Update 2
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December 2022

December 2022

December 2022 Supply Update 2
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December 2022 Supply Update 1
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November 2022

November 2022

November 2022 Supply Update 2
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August 2022 Supply Update
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September 2022

September 2022

September 2022 Supply Update 1
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September 2022 Supply Update 2
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August 2022

July 2022

July 2022

July 2022 Supply Update
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July 2022 Supply Update
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June 2022

June 2022

June 2022 Supply Update
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June 2022 Supply Update
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May 2022

May 2022

May 2022 Supply Update
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May 2022 Supply Update
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