Introduction to Dieldrin Dieldrin is an organochlorine insecticide that was widely used in agricultural and termite control applications from the 1950s until its restriction in most countries. Chemically related to aldrin, which converts to dieldrin in the environment and biological systems, this persistent organic pollutant (POP) has a half-life of approximately five years and poses significant environmental and health risks . Despite global bans under the Stockholm Convention, understanding the dieldrin market remains important for regulatory compliance, environmental cleanup efforts, and historical research. The international community classified dieldrin among the “dirty dozen” persistent organic pollutants targeted for elimination under the Stockholm Convention, which has been ratified by 184 countries .…