This crime scene preservation toolbox talk template provides a comprehensive, step‑by‑step guide for police officers, forensic practitioners, and security personnel tasked with securing incident scenes. It covers hazards such as chemical exposure to ethanol or phenol preservatives, physical injuries from broken glass or unstable structures, slip risks on wet surfaces, and the psychological impact of working at violent crime scenes. Practical actions include establishing a BS EN‑146 cordon, wearing BS EN 374 nitrile gloves and BS EN 166 goggles, using PAS 377‑approved kits, implementing HEPA‑filtered contamination controls, and ensuring climate‑controlled transport in BS EN 126 containers. Documentation best practice, chain‑of‑custody procedures, and a post‑scene debrief meet quality standards. Suitable for law enforcement agencies, forensic laboratories, private security firms, and any organisation involved in crime scene management across the UK. Health and Safety at Work Act 1974, Control of Substances Hazardous to Health Regulations 2002 (COSHH), Police and Criminal Evidence Act 1984 – Section 3, Forensic Science Regulator Act 2021, and Workplace (Health, Safety and Welfare) Regulations 1992. Ensure that all records are retained for the statutory period of at least six months and that any digital media are backed up in secure, encrypted archives. Review and update procedures annually to reflect legislative changes.