A new office building in San Diego has an average annual PM 2.5 of 21 ug/m3. Wha

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试卷: WELL AP v2模拟题 A卷[查看]
A new office building in San Diego has an average annual PM 2.5 of 21 ug/m3. What type of filter is required to meet Part 1: Implement Particle Filtration of Feature A12: Air Filtration?圣地亚哥的一座新办公楼的年平均 PM 2.5 为 21 ug/m3。需要什么类型的过滤器才能满足A12：空气过滤中部分1：实施颗粒物过滤的要求？
A: MERV 10 or M5
B: MERV 14 or F8
C: MERV 8 or G4
D: MERV 12 or M6

参考答案: D