Monitoring DDT and PCB in airborne fallout.
D000397:Air Pollution / Q000032:analysis*; D003634:DDT / Q000032:analysis*; D008722:Methods; D008991:Monitoring, Physiologic; D010573:Pesticide Residues / Q000032:analysis; D011078:Polychlorinated Biphenyls / Q000032:analysis*; D013548:Sweden; D013997:Time Factors
D010573:Pesticide Residues; D003634:DDT; D011078:Polychlorinated Biphenyls