Table 4. Effectiveness of room air cleaner and TLA air cleaner.

Duration of the operation, h	Setting B: Room air cleaner		Setting C: TLA device
	Fraction 1	Fraction 2	Fraction 1	Fraction 2
	Reduction rate (H), %
0.118	3.0	7.1	80.3	82.5
0.5	32.3	51.5	99.2	99.5
1.5	79.1	90.8	99.7	99.8
2.0	82.1	92.8	99.7	99.9
9.0	89.9	95.5	99.7	99.9
	Cleaning efficiency (CE) (#/m3 h1)
0.118	8.1E+06	3.1E+06	1.3E+08	1.8E+07
0.5	2.2E+07	5.6E+06	4.0E+07	5.3E+06
1.5	1.7E+07	3.2E+06	1.2E+07	1.7E+06
2.0	1.3E+07	2.4E+06	9.5E+06	1.3E+06
9.0	3.2E+06	5.4E+05	2.1E+06	2.8E+05