5. CFU/ l Time (minutes)

6. g/ l Time (minutes)

7. Gain 1 Gain 5 Gain 10 Gain 50 Gain 200 Figure 18. Fluorometric Calibration Curve for Sodium Fluorescein

8. Log Normal Probability Aerodynamic Mass Distribution of B atrophaeus on 16 Jan 2008 (Trial 1) Measured by Cascade Impactor Outside TFA. Aerodynamic Mass Median Diameter = 1.5 microns with Geometric Standard Deviation of 1.6 (Table 4)

9. Figure 14. Log Normal Probability Aerodynamic Mass Distribution of Sodium Fluorescein at a Nozzle Pressure of 170 psig as Measured by Cascade Impactor Outside TFA. Aerodynamic Mass Median Diameter = 2.1 microns with Geometric Standard Deviation of 1.5 (Table 7)

10. Log Normal Probability Aerodynamic Mass Distribution of Sodium Fluorescein at a Nozzle Pressure of 300 psig as Measured by Cascade Impactor Outside TFA. Aerodynamic Mass Median Diameter = 1.2 microns with Geometric Standard Deviation of 1.8 (Table 7)