Environmental Engineering Reference
In-Depth Information
= Outdoor
= Indoor, no smokers
= Indoor, one smokers
= Indoor, > one smokers
120
110
100
90
80
70
60
50
40
30
20
10
0
Nov Dec Jan FebMar Apr
Nov
1976
Dec Jan FebMar Apr
May Jun Jul Aug Sep Oct
1977
1978
FIGURE 23.4  Effect on cigarette smoking on indoor concentrations of respirable particles (approximately
PM 10 ). (From Spengler, J.D., Atmos. Environ ., 15, 23, 1981.)
increases in indoor PM that are between 1 and 2 orders of magnitude of the background PM con-
centrations (Figure 23.5).
The noncombustion component of indoor aerosol makes the largest contribution to total mass
(Figure 23.3). Of greatest interest are the biologically active components of this aerosol. The details
related to the components of this aerosol are covered in Chapter 10.
500
End sauteing
Indoor PM (0.02−0.5)
Outdoor PM (0.02−0.5)
Indoor PM (0.7−10)
Outdoor PM (0.7−10)
400
300
200
Begin sauteing
100
0
2045
2115
1945
2015
Time (EDT)
FIGURE 23.5  PM 10-2.5 and PM 0.7-1 concentrations from a sautéing event in one home. EDT: eastern daylight
savings time. (From Abt, E. et al., Environ. Health Perspect ., 108, 35, 2002.)
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