After a half-century of use in products ranging from electrical transformers to caulk to paint, PCBs were banned in the late 1970s as one of the
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/researchers-find-little-known-pcb-pretty-much-everywhere
[2] http://admin.indiaenvironmentportal.org.in/category/author/barbara-fraser
[3] http://admin.indiaenvironmentportal.org.in/category/journal/environmental-science-technology
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sewage-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pcbs
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pesticides-and-toxins
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/toxicity-studies
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us