Derek Robinson

Weekly Reports

February 9th - February 15th, 2026

This week we checked 191 samples. 63.4% (121/191) of samples checked this week were as expected, with no cuts or adulterants detected. Weekly Report February 9 - February 15 2026Weekly Report February 9 - February 15 2026.pdf3 MBdownload-circle Want to be notified when we release these reports?

Monthly Reports

January 2026 Monthly Report

A update to this blog post and the PDF report were made on February 20th, 2026: Quantification data for ethylflualprazolam was removed from table 4 and the corresponding table in the PDF report. In this blog post, we discuss our January 2026 report and provide more information on how to

Weekly Reports

February 2nd - February 8th, 2026

This week we checked 127 samples. 61.4% (78/127) of samples checked this week were as expected, with no cuts or adulterants detected. Weekly Report February 2 - February 8 2026Weekly Report February 2 - February 8 2026.pdf3 MBdownload-circle Want to be notified when we release these reports?

Weekly Reports

January 26th - February 1st, 2026

This week we checked 133 samples. 51.1% (68/133) of samples checked this week were as expected, with no cuts or adulterants detected. Weekly Report January 26 - February 1 2026Weekly Report January 26 - February 1 2026.pdf3 MBdownload-circle Want to be notified when we release these reports?

Weekly Reports

January 19th - January 25th, 2026

This week we checked 160 samples. 57.5% (92/160) of samples checked this week were as expected, with no cuts or adulterants detected. Weekly Report January 19 - January 25 2026Weekly Report January 19 - January 25 2026.pdf3 MBdownload-circle Want to be notified when we release these reports?

Weekly Reports

January 12th - January 18th, 2026

This week we checked 145 samples. 58.6% (85/145) of samples checked this week were as expected, with no cuts or adulterants detected. Weekly Report January 12 - January 18 2026Weekly Report January 12 - January 18 2026.pdf3 MBdownload-circle Want to be notified when we release these reports?

Weekly Reports

January 5th - January 11th, 2026

This week we checked 176 samples. 47.2% (83/176) of samples checked this week were as expected, with no cuts or adulterants detected. Weekly Report January 5 - January 11 2026Weekly Report January 5 - January 11 2026.pdf3 MBdownload-circle Want to be notified when we release these reports?

Monthly Reports

December 2025 Monthly Report

In this blog post, we discuss our December 2025 report and provide more information on how to interpret the results. The PDF report can be found at the end. Key findings: * The median fentanyl concentration found across all drug categories was 14.4% * The median fluorofentanyl concentration found across all

Weekly Reports

December 15th - December 31st, 2025

During this two week period we checked 298 samples. 68.5% (204/298) of samples checked were as expected, with no cuts or adulterants detected. Weekly Report December 15 - December 31 2025Weekly Report December 15 - December 31 2025.pdf3 MBdownload-circle Want to be notified when we release these

Weekly Reports

December 8th - December 14th, 2025

This week we checked 140 samples. 62.1% (87/140) of samples checked this week were as expected, with no cuts or adulterants detected. Weekly Report December 8 - December 14 2025Weekly Report December 8 - December 14 2025.pdf3 MBdownload-circle Want to be notified when we release these reports?

Monthly Reports

November 2025 Monthly Report

In this blog post, we discuss our November 2025 report and provide more information on how to interpret the results. The PDF report can be found at the end. Key findings: * The median fentanyl concentration found across all drug categories was 9.6% * The median fluorofentanyl concentration found across all

Weekly Reports

December 1st - December 7th, 2025

This week we checked 145 samples. 66.9% (97145) of samples checked this week were as expected, with no cuts or adulterants detected. Weekly Report December 1 - December 7 2025Weekly Report December 1 - December 7 2025.pdf4 MBdownload-circle Want to be notified when we release these reports? Join

Weekly Reports

November 24th - November 30th, 2025

This week we checked 79 samples. 59.5% (47/79) of samples checked this week were as expected, with no cuts or adulterants detected. Weekly Report November 24 - November 30 2025Weekly Report November 24 - November 30 2025.pdf3 MBdownload-circle Want to be notified when we release these reports?

Weekly Reports

November 17th - November 23rd, 2025

This week we checked 155 samples. 51.0% (79/155) of samples checked were as expected, with no cuts or adulterants detected. Weekly Report November 17 - November 23 2025Weekly Report November 17 - November 23 2025.pdf4 MBdownload-circle Want to be notified when we release these reports? Join our

Weekly Reports

November 10th - November 16th, 2025

This week we checked 102 samples. 64.7% (66/102) of samples checked were as expected, with no cuts or adulterants detected. Weekly Report November 10 - November 16 2025Weekly Report November 10 - November 16 2025.pdf4 MBdownload-circle Want to be notified when we release these reports? Join our

Weekly Reports

November 3rd - November 9th, 2025

This week we checked 84 samples. 56.0% (47/84) of samples checked were as expected, with no cuts or adulterants detected. Weekly Report November 3 - November 9 2025Weekly Report November 3 - November 9 2025.pdf3 MBdownload-circle Want to be notified when we release these reports? Join our

Monthly Reports

October 2025 Monthly Report

In this blog post, we discuss our October 2025 report and provide more information on how to interpret the results. The PDF report can be found at the end. Key findings: * The median fentanyl concentration found across all drug categories was 7.3% * The median fluorofentanyl concentration found across all

Weekly Reports

October 27th - November 2nd, 2025

This week we checked 211 samples. 61.6 % (130/211) of samples checked were as expected, with no cuts or adulterants detected. Weekly Report October 27 - November 2 2025Weekly Report October 27 - November 2 2025.pdf3 MBdownload-circle Want to be notified when we release these reports? Join our

Weekly Reports

October 20th - October 26th, 2025

This week we checked 153 samples. 55.6% (85/153) of samples checked were as expected, with no cuts or adulterants detected. Weekly Report October 20 - October 26 2025Weekly Report October 20 - October 26 2025.pdf3 MBdownload-circle Want to be notified when we release these reports? Join our

Weekly Reports

October 13th - October 19th, 2025

This week we checked 74 samples. 47.3% (35/74) of samples checked were as expected, with no cuts or adulterants detected. Weekly Report October 13 - October 19 2025Weekly Report October 13 - October 19 2025.pdf3 MBdownload-circle Want to be notified when we release these reports? Join our

Weekly Reports

October 6th - October 12th, 2025

This week we checked 81 samples. 49.4% (40/81) of samples checked were as expected, with no cuts or adulterants detected. Weekly Report October 6 - October 12 2025Weekly Report October 6 - October 12 2025.pdf3 MBdownload-circle Want to be notified when we release these reports? Join our

Monthly Reports

September 2025 Monthly Report

In this blog post, we discuss our September 2025 report and provide more information on how to interpret the results. The PDF report can be found at the end. Key findings: * The median fentanyl concentration found across all drug categories was 8.6% * The median fluorofentanyl concentration found across all

Weekly Reports

September 29th - October 5th, 2025

This week we checked 81 samples. 45.7% (37/81) of samples checked were as expected, with no cuts or adulterants detected. Weekly Report September 29 - October 5 2025Weekly Report September 29 - October 5 2025.pdf2 MBdownload-circle Want to be notified when we release these reports? Join our

Weekly Reports

September 21st - September 28th, 2025

This week we checked 106 samples. 53.8% (57/106) of samples checked were as expected, with no cuts or adulterants detected. Weekly Report September 22 - September 28 2025Weekly Report September 22 - September 28 2025.pdf4 MBdownload-circle Want to be notified when we release these reports? Join our

Weekly Reports

September 15th - September 21st, 2025

This week we checked 122 samples. 65.6% (80/122) of samples checked were as expected, with no cuts or adulterants detected. Weekly Report September 15 - September 21 2025Weekly Report September 15 - September 21 2025.pdf3 MBdownload-circle Want to be notified when we release these reports? Join our