时间加权平均容许浓度
- 网络twa;PC-TWA;Permissible concentration-Time Weighted Average;permissible concentration-time weighted average,PC-TWA
时间加权平均容许浓度-
结论提出我国车间空气中奥克托今最高容许浓度建议值为4mg/m3，时间加权平均容许浓度为2mg/m3。
Conclusions It is proposed that MAC for octogen in the air of workplaces in this country may be set as 4 mg / m 3 , and its TWA 2 mg / m 3 .
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[结论]建议车间空气中尿素的最高容许浓度为10mg/m3，其时间加权平均容许浓度为5mg/m3。
[ Concentration ] The maximum allowable concentration ( MAC ) and the time weighted average allowable concentration ( TWA AC ) have been recommended 10 mg / m 3 , respectively .
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结论石油沥青（烟）最高容许浓度为8mg/m3，时间加权平均容许浓度为5mg/m3。
Conclusion The maximum allowable concentration ( MAC ) for petroleum asphalt fume is 8 mg / m ~ 3 and the time-weight average ( TWA ) is 5 mg / m ~ 3 .