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Major Duties : The chemical operations specialist operates , performs operator maintenance or supervises the use of nuclear , biological and chemical detection and decontamination equipment , smoke generators , and assists in the establishment , administration , training and application of NBC defense measures . No extensive study has considered the chemical body burden of Canadians , although separate studies have reported the presence of individual compounds - - for example , research documenting a dramatic rise of PBDEs in breast milk . The chemical operations specialist operates , performs operator maintenance or supervises the use of nuclear , biological and chemical detection and decontamination equipment , smoke generators , and assists in the establishment , administration , training and application of NBC defense measures . " Ahead of many in the world , he is very clear on the relationship between poor diet and poor health , and the impact of chemical farming methods in reducing the quality of the food grown . " A profitable business with high quality products , adhesives resins are not core to our chemicals operation , which is increasingly focused on supplying our tire businesses with synthetic rubber , " said Robert J. Keegan , Goodyear chairman and chief executive officer . The Fox remains , however , the Defense Department 's best chemical detection system . The most important chemical removal process in wetland soils is sorption , which results in short-term retention or long-term immobilization of several classes of contaminants . His chemical body burden is the product of his childhood and current exposures in the U.S ., as well as chemical exposures accumulated during seven years of work and travel across Asia and Africa.Among his diverse experiences , Davis has evaluated farmer training programs to reduce pesticide use in Indonesia , supervised refugee resettlement in Thailand 's refugee camps , observed elections in Sri Lanka , edited news in Korea , and assisted community organizing efforts with farmer groups in the Philippines . What 's more , little is known about what our chemical body burden truly is .