Skip to main content
. 2009 Oct 4;53(8):815–827. doi: 10.1093/annhyg/mep070

Table 3.

Summary data of filter aerosol penetration and filter airflow resistance for FFRs following various decontamination treatmentsa

FFR model Treatment Average initial sodium chloride penetration (%P) Standard deviation of penetration Average initial resistance (mmH2O) Standard deviation of resistance
N95 FFRs
N95-A As-received 0.121 0.08 7.6 0.83
UVGI 0.072 0.04 7.6 0.29
EtO 0.101 0.06 7.3 0.10
VHP 0.071 0.04 7.8 0.21
Microwave 0.105 0.07 7.9 0.06
Bleach 0.262 0.18 8.1 0.47
N95-B As-received 1.00 0.64 9.4 0.68
UVGI 0.76 0.43 10.3 0.12
EtO 0.667 0.39 9.7 0.10
VHP 0.659 0.34 9.6 0.50
Microwave 1.06 0.74 9.0 0.40
Bleach 0.629 0.34 9.8 0.30
N95-C As-received 1.48 0.94 6.9 1.61
UVGI 1.77 0.96 7.1 1.68
EtO 1.82 1.12 6.9 1.47
VHP 1.47 0.91 6.5 2.37
Microwave 1.46 0.82 6.2 0.61
Bleach 1.13 0.79 8.0 3.06
Surgical N95 respirators
SN95-D As-received 1.57 0.83 8.4 0.50
UVGI 1.86 0.97 9.2 0.44
EtO 0.90 0.49 8.1 0.32
VHP 0.71 0.50 8.6 1.04
Microwave 0.711 0.44 8.7 0.64
Bleach 0.561 0.38 9.6 0.29
SN95-E As-received 0.335 0.19 6.1 0.15
UVGI 0.371 0.21 7.1 0.61
EtO 0.498 0.32 6.7 0.40
VHP 0.542 0.32 7.1 1.28
Microwave Melted Melted Melted Melted
Bleach 0.233 0.12 6.6 0.56
SN95-F As-received 0.716 0.37 6.7 0.17
UVGI 0.720 0.37 6.6 0.26
EtO 0.687 0.35 6.3 0.25
VHP 0.727 0.37 6.5 0.29
Microwave 0.652 0.33 5.4 0.72
Bleach 0.692 0.35 5.9 0.46
P100 FFRs
P100-G As-received 0.009 0.01 13.1 0.79
UVGI 0.005 0.00 13.1 1.21
EtO 0.003 0.00 12.8 0.57
VHP 0.006 0.01 13.4 1.23
Microwave 0.002 0.00 13.1 0.62
Bleach 0.006 0.00 13.6 0.92
P100-H As-received 0.007 0.01 15.8 0.87
UVGI 0.007 0.01 16.0 1.82
EtO 0.003 0.00 15.2 0.64
VHP 0.010 0.01 15.0 1.27
Microwave 0.000 0.00 15.8 0.30
Bleach 0.010 0.01 15.1 0.81
P100-I As-received 0.008 0.00 16.4 0.85
UVGI 0.012 0.01 16.5 0.10
EtO 0.006 0.00 15.9 0.76
VHP 0.007 0.00 16.2 0.93
Microwave Melted Melted Melted Melted
Bleach 0.004 0.00 17.0 0.98
a

Filter aerosol penetration and filter airflow resistance testing performed using a TSI 8130 AFT (n = 3).