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1984年起,美国政府工业卫生学家会议(ACGIH)开始制定化学物质的生物接触指数(BEI),其后逐年增订一部分。现摘录ACGIH已通过和拟制定的BEI(1992～1993)。已通过的生物接触指数
Since 1984, the American government’s Conference of Industrial Hygienists (ACGIH) has begun to formulate the bio-contact index (BEI) of chemical substances, and thereafter it is updated annually. Now excerpt ACGIH has passed and proposed BEI (1992 ~ 1993). The biological contact index passed