Guidance

Contamination detection: DNA elimination samples (FSR-GUI-0019)

Guidance on providing DNA elimination samples to detect inadvertent contamination by staff who pose a DNA contamination risk within the criminal justice system.

• From: Forensic Science Regulator
• Published: 20 February 2026

Applies to England and Wales

Documents

Contamination Detection: DNA Elimination Samples (accessible)

Ref: FSR-GUI-0019

HTML

Contamination Detection: DNA Elimination Samples

Ref: FSR-GUI-0019

PDF, 436 KB, 23 pages

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Details

This document gives guidance and advice on providing DNA elimination samples to detect inadvertent contamination.

It applies to organisations whose staff pose a risk of DNA contamination to items processed for DNA profiling delivered into the criminal justice system in England and Wales.

Published 20 February 2026