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Table 3: UV-18X Test data and results (testing with lamp on)
Sample
Number
Air
Sampling
Duration
(min)
Airflow
Velocity
(fpm)
Serratia
marcescens
Positive hole
count
Corrected
Particle
Counts
CFU/FT
3
of air
(count/min)
%Survival
CFU/Control
Log
Reduction
%
Effective
1
2.5 1000 21 22
2
2.5 1000 27 28
3
2.5 1000 28 29
4
5 1000 48 51
Total min = 12.5
Total Corrected
Particle Counts
= 130 10.40 9.67 1.01 90.33
Control:
107.50
1
5 500 8 8
2
5 500 10 10
3
5 500 17 17
4
10 500 28 29
Total min = 25
Total Corrected
Particle Counts
= 64 2.56 0.95 2.02 99.05
Control:
269.00