This fact sheet includes research on waste at the Union Carbide factory and what it has found.
Links:
[1] http://admin.indiaenvironmentportal.org.in/reports-documents/research-waste-union-carbide-factory-and-what-it-has-found
[2] http://admin.indiaenvironmentportal.org.in/category/publisher/centre-science-and-environment
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-disasters
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bhopal-gas-disaster
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/union-carbide
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cse
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/toxic-wastes