2026-02-06 Correspondence Claims

Spatial Comparison of Acoustic Energy behind Workstation 3

-50
25 250 2500 25000

-70

-110

Level (dB)
8

g

-170

-210
Frequency Hz (Log Scale)

—— Left Ear (Glass Reflection) | ——Right Ear(Direct Open Rack) © ——Behind Head (Shielded)

Calibration Check: 1000 Hz Tone

25 250 2500 25000

Level (dB)
8

-100

120

-140

-160
Frequency in Hz (Log Scale)

—Level (48)