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美国ACGIH1984—1985年作业环境中化学物质阈限值(TLV)与1983—1984年版比较,有了较大的变动,其中新增加的化学物质4种,修订了TLV的物质11种,拟修改的158种(不包括二氧化硅、硅酸盐等煤尘)。现将以上173种化学物质的TLV列表如下。表中化学物质名称前面标有~+号者为增加的,标有~*号者为此次修订TLV的,其余为拟修改的;物质名称后面注明(皮)者表示该物质可
The United States of America ACGIH1984-1985 Environmental Impact Assessment Value (TLV) of the Environmental Impact Assessment (TLV) compared with the 1983-1984 edition, there have been major changes, of which 4 kinds of new chemicals added, revised TLV substance 11 species, to be modified 158 species (excluding silica, silicate and other coal dust). The TLVs for the above 173 chemicals are tabulated below. In the table, the “+” sign is added in front of the name of the chemical substance. The person marked with “*” is the TLV revised this time and the rest is intended to be revised; the person who is marked with the skin after the substance name indicates that the substance may be