Three-Tier Approach to Chemical Spill Response
Abstract
Major chemical spills create special problems in protection of both public and worker health. The current standard of practice for a major spill requires the evacuation of personnel for a specified distance downwind, using exposure limits and dispersion models to define a toxic corridor's safe and unsafe areas. The implication of this practice is that there is significant health risk inside the toxic corridor and no significant risk beyond the corridor. Because of the high level of uncertainty in both the exposure limits and the dispersion modeling used, these corridors are understandably conservative in an attempt to develop a high degree of confidence that people outside the toxic corridor are not endangered. However, this conservative practice can result in very large, predicted, toxic hazard corridors creating evacuation problems and additional hazards
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1993
- Accession Number
- ADP008714
Entities
People
- Keith D. Chandler