Foam EAR plugs		
Health Hazard Assessment Data from Felix Sachs - USAARL data		
Freq(Khz) Mean_Gain(dB) StDev_Gain(dB) Note: -10dB Gain = 10dB Attenuation		
0.063	-6	0
0.125	-19.3	0
0.25	-20.1	0
0.5	-23.2	0
1	-23.4	0
2	-26.1	0
4	-35.8	0
8	-37.6	0
