Evaluation and Management of Health and Safety Risks of Chlorine Gas in Transportation Routes

Background: More than 90% of goods movement in Iran is done by road transport. A significant part these materials dangerous goods. Considering that chlorine gas considered a toxic and oxidizing substance, predicting the way release mortality due to accidental leakage can be crucial tool adopting preventive strategies. This study aims evaluate safety transportation analyze consequences its release. Materials Methods: cross-sectional-analytical was conducted 2020 Tehran. The risk rating index used measure quantitative hazardous materials. PHAST software determine consequence possible accident scenarios on route. In final stage, according amount traffic, time manner response emergencies fire emergency organization were simulated using Pathfinder software. Results: this evaluation, calculated as 192. worst scenario catastrophic rupture second half 2021. As result accident, up radius 1800 m from center leak, concentration equal 20 ppm, is, ERPG3 limit. simulation results showed poisonous leads death 10% people 192 around scenario. Conclusion: sudden chlorine, which need escape move away site, it found takes more 24 minutes leave ERPG-3 area. assumed average speed 1.15 m/s naturally sensitive much lower conditions an concluded involved may suffer severe irreparable damage.