HED 044 Lecture Notes - Lecture 21: Endocrine Disruptor, Bioaccumulation, Vinyl Chloride
2 Nov 2020
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Harmful to brain and nervous system, especially of children. Contamination of drinking water by lead pipes and lead solder for copper pipes. Air pollutant from use in gasoline until banned in the 1980s. Was used in paint until 1977 still a threat in old housing peeling paint or contaminated dust. Young children should be screened for blood lead levels. Rachel carson"s silent spring - 1962 - beginning of environmental movement. Ddt and other pesticides - now banned. Yusho accident (japan) contamination of cooking oil other similar accidents. Endocrine disruptors, after reproduction, nervous system, immune system, maybe cancer. Soluble in fat, persists in environmental, very stable. Was widely used because of fire resistance. Used in insulation: still used in roofing, gaskets, brake linings. Still a danger from deteriorating walls and ceilings. Fibrous dust causes scarring of lungs (asbestosis) and mesothelioma (cancer) Libby, montona whole area affected from mines. Worl trade center clean up and rescue workers.
