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首页> 美国政府科技报告 >NIOSH (National Institute for Occupational Safety and Health) Testimony on Velsicol Chemical Co., Leptophos Before the Subcommittee on Agricultural Research and General Legislation, Senate Committee on Agriculture, Nutrition, and Forestry, by Bobby F. Craft, December 13, 1977
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NIOSH (National Institute for Occupational Safety and Health) Testimony on Velsicol Chemical Co., Leptophos Before the Subcommittee on Agricultural Research and General Legislation, Senate Committee on Agriculture, Nutrition, and Forestry, by Bobby F. Craft, December 13, 1977

机译：NIOsH（国家职业安全与健康研究所）关于农业研究和一般立法小组委员会的Velsicol化学公司，Leptophos的证词，参议院农业，营养和林业委员会，Bobby F. Craft，1977年12月13日

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The testimony concerned experience of the National Institute for Occupational Safety and Health (NIOSH) in investigating leptophos (21609905), known by the trade name Phosvel. Potential problems among employees at the Velsicol Chemical Company in Bayport, Texas involved the manufacturing and packaging of leptophos. Reports of the chemical being neurotoxic to mammals and fowl were causing concern as applications were being made to increase its use in this country. A visit was made to this facility but no operations involving leptophos were witnessed. Two of the 26 workers NIOSH examined had evidence of mild neurological dysfunction; 12 cases of serious neurological disorders had been previously identified. An attempt was made to medically study all present and former employees. A substantial number of workers reported that they had experienced one or more symptoms usually associated with exposure to organophosphates at some time during the preceding 5 year period. Of 155 workers examined, 63 had abnormalities in one or more of the objective tests or examinations. Eleven of the 63 had abnormal neurological examinations. Most of these also had abnormalities in nerve function, psychological tests or performance tests. NIOSH concluded that a substantial number of workers had neurological, electromyographic, electroneurographic, and psychological performance abnormalities. Due to the presence of other neurotoxic agents it was not possible to clearly establish a causal association of these findings with exposure to leptophos.

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