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【多选题】
下列关于采样点的选择原则,正确的有( )。
A.
选择有代表性的工作地点,其中不应包括空气中有害物质浓度最高的点,而是应当包括空气中有害物质浓度最低、作业人员接触时间最短的工作地点
B.
在不影响作业人员工作的情况下,所选用的采样点应尽可能的靠近作业人员
C.
在评价工作场所防护设备或措施的防护效果时,应根据设备的情况选定采样点再进行采样
D.
采样点在工作地点的上风向,应远离排气口和有可能会产生涡流的地点
E.
采样点在工作地点的下风向,应远离排气口和可能会有涡流产生的工作地点
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