C

B



i


6_0x1

5_0x 10
6-OxlO2
5-Ox102





1_0x101


20x140


IOxl10


0-0


A-OxlO5



L4_xl0
4-0x104




-OxlO4
4j0x100
20x10-

0_0


10 100
 Particle diameter (mn)


Figure 4-2. Particle size distribution by number (solid line), mass (dotted line), and infectious
 count (mean with error bars) for MS2 aerosols generated from sterile DI water at low
 relative humidity.


10-3 -

104 -


10-5 -


10-6 -


10-8


50 100
 Particle


diameter (nm)


Figure 4-3. NPFU for MS2 aerosols generated from sterile DI water at three relative humidities.
 Data shown are the mean of three repetitions with error bars representing standard
 error.


--- Low RH
--- Medium RH
--- High RH
'..O. NTheoPFU