GSR Proficiency Testing Scheme - ISO/IEC 17043 accredited

PT scheme on gunshot residues for forensic laboratories worldwide

Since 2010, quo data Gesellschaft für Qualitätsmanagement und Statistik mbH has independently organized and evaluated the annual rounds of the International Proficiency Testing Scheme for the Detection and Classification of Gunshot Residues (GSR Quality Scheme) on behalf of the European Network of Forensic Science Institutes (ENFSI).

Benefits of participating in the annual GSR PT rounds:

  • advanced sample material that allows for a comprehensive performance of your results
  • web-based tool for further internal quality control included
  • actively supported by members of the ENFSI expert working group "Firearms/GSR"
  • DIN EN ISO/IEC 17043:2010 accredited
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In the GSR Quality Scheme, specific samples for the detection and classification of typical GSR particles (containing lead, barium and antimony) are prepared synthetically and shipped to the participants who use their laboratory-specific procedure for the automated detection of GSR particles via SEM/EDS according to ASTM E1588.

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Since April 2022, this worldwide unique GSR Proficiency Testing Scheme by quo data Gesellschaft für Qualitätsmanagement und Statistik mbH has been accredited by the German accreditation body DAkkS according to DIN EN ISO/IEC 17043:2010.

The accreditation is valid for the scope listed in the annex of the accreditation certificate D‑EP‑21563-01-00. By means of this accreditation, quo data Gesellschaft für Qualitätsmanagement und Statistik mbH fulfils the requirements of ASTM E3255-21 Standard Practice.

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DAkkS akkreditiation logo
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The full scope of accreditation can be found in the DIN EN ISO/IEC 17043:2010 accreditation certificate and it's annex.

From the April 2016 Final Meeting of the international PT on Forensic Determination of Shooting Distance organized by QuoData and held at the QuoData head office in Dresden.

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A group of participants of the FDSD meeting 2016 on the stairs in the backyard of QuoData

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Participants of the FDSD meeting 2016 during a presentation

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A group of participants of the FDSD meeting 2016 in conversation with QuoData scientists

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From the April 2016 Final Meeting of the international PT on Forensic Determination of Shooting Distance organized by QuoData and held at the QuoData head office in Dresden.

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GSR2024 - Current information

We are delighted that 63 forensics laboratories worldwide are participating in this year’s PT round.

 

  • Submission of results was possible until 10 July 2024.
  • Participants are required to submit their results until 12 July 2023 via our Forensics PT Portal.
  • The final report of results and individual certificates are planned to be sent out on 30 September 2024.
  • Detailed information on the GSR2024 PT round is provided in the "Call for Participation" document.
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Further forensic PTs organized by QuoData

As a forensic expert, you might also be interested in our new Proficiency Testing Scheme for the Estimation of Shooting Distance by Chemographical Coloring. Please visit our SDD Proficiency Testing Scheme website for more information.

If you have any questions regarding one of our PT schemes in forensics, please do not hesitate to contact us using the following email address: forensics-pt@quodata.de.

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Screenshot of a diagram in the GSR PT
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Online GSR QC Analysis Tool

This web tool enables the automatic evaluation of uploaded quality control measurements of GSR PT samples from the years 2010 to 2023 and the "standard GSR sample".

Once you have imported your data a comprehensive PDF report is created as well as a dynamic chart which provides various selection criteria for a specific evaluation.

Open online tool