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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Indoor Air. 2013 Sep 23;24(2):213–220. doi: 10.1111/ina.12065

Table 2.

Overview of PM measurements by fuel type and time of day.

Mean minutes in a day over 1000 μg/m3
By fuel type:
    - Principally use biomass 66
    - Clean fuel users 35
By ventilation:
    - Two or more windows 34
    - Fewer than two windows 53
By time:
    - 6am – 12am 7
    - 12am – 6pm 7
    - 6pm – 12pm 18
    - 12pm – 6am 9
By use of kerosene:
    - No reported use 31
    - Any reported use 51