Investigators say it’s still not clear what caused a toxic chemical to leak from a valve at a suburban Houston plant, killing four workers and injuring a fifth.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/texas-chemical-plant-investigates-toxic-leak-killed-four
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/guardian-uk
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hazardous-waste
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chemical-leakages
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/occupational-safety
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/occupational-health
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-waste