Kitty litter used to absorb liquid in radioactive debris may have triggered a chemical reaction that caused a radiation leak at a below-ground U.S.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/kitty-litter-eyed-possible-culprit-new-mexico-radiation-leak
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/reuters
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hazardous-waste
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/radioactive-waste
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-management
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/toxic-wastes
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nuclear-wastes
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/radiation