HSE L138 — Dangerous Substances and Explosive Atmospheres Regulations 2002 — Approved Code of Practice

HSE L138 — Dangerous Substances and Explosive Atmospheres Regulations 2002 — Approved Code of Practice. HSE Approved Code of Practice supporting DSEAR. Provides practical guidance on hazardous area classification, ignition control, and emergency arrangements. This page provides a structured summary, key provisions, and practical guidance on the application of HSE L138 to UK fire safety engineering, building design, and Building Safety Act compliance.

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