Event
- Event ID
- 622
- Quality
- Description
The release occurred at a dyestuffs intermediates plant. Hydrogen escaped from leak in pipe connection to a cylinder. Householders nearby evacuated for a short while.
- Event Initiating system
- Classification of the physical effects
- Unignited Hydrogen Release
- Nature of the consequences
- release, no ignition
- Macro-region
- Europe
- Country
- United Kingdom
- Date
- Component involved
- joint/connection (generic)
- Failure mode
- leak
- Initiating cause
- unknown
- Root causes
- Date entry in HIAD
- 01/01/2020
Facility
- Application
- Chemical industry
- Sub-application
- paints (dyes, pigments) production
- Hydrogen supply chain stage
- All components affected
H2 supply line
- Process temperature range [C]
- ambient temperature (-50°C to +50°C)
- Process pressure range [MPa]
- unknown
- Location type
- Unknown
- Location
- industrial area
- Operational condition
- UNKNOWN
Emergency & Consequences
- Number of fatalities
- 0
- Number of injured persons
- 0
- Post-event summary
Householders nearby evacuated for a short while.
In-depth data
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Probable IGNITION SOURCE
References
- Sources categories
- ICHEME
- Reference & weblink
Event of the UK database ICHEME.
https://www.icheme.org/knowledge/safety-centre/resources/accident-data/Primary source CHEMICAL AGE, 1974, 12 JUL.
(unavailable)YORKSHIRE POST, 1974, 15 JUL.;
1974, 19 JUL. DAILY TELEGRAPH