Simulated workplace protection factor study of a quarter-facepiece elastomeric respirator

Figures & data

Figure 1. (A) View from side on subject. (B) Expanded view. (C) Probed respirator.

Table 1. Simulated workplace activities and sampling time.

	Activity	Time (sec)
0	Ambient sample	15
1	Taking vitals	120
2	Normal breathing	60
3	Sheet changing	120
4	Normal breathing	60
5	CPR	90
6	Normal breathing	60
7	Taking vitals	120
8	Normal breathing	60
9	Sheet changing	120
10	Normal breathing	60
11	CPR	90
12	Normal breathing	60
13	Taking vitals	120
14	Normal breathing	60
15	Sheet changing	120
16	Normal breathing	60
17	CPR	90
18	Normal breathing	60

Figure 2. NIOSH bivariate panel with subject number and facial dimensions.

Figure 3. Comparison of fit factors (FF95) and overall truncated simulated workplace protection factors (SWPF). Dotted line indicates a 1 to 1 correlation.

Table 2. Summary statistics – it actor (FF) in N95 mode, simulated sorkplace protection factor (SWPF) with truncated and non-truncated data.

	N95 FF	SWPF-truncated	SWPF
Minimum	48	94	126
Maximum	201	199	4330
Median	188	181	570
5^th percentile	48	94	153
95^th percentile	201	199	1508

Data availability

The data that support the findings of this study are available from the corresponding author, MS, upon reasonable request.