Recently, Union Cabinet has approved the Ratification of seven chemicals listed under the Stockholm Convention on Persistent Organic Pollutants(POPs). Seven Chemicals : Chlordecone. Hexabromobiphenyl. Hexabromodiphenyl ether and Heptabromodiphenylether. Tetrabromodiphenyl ether and Pentabromodiphenyl ether. Pentachlorobenzene. Hexabromocyclododecane. Hexachlorobutadiene.