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TABLE 14-1 <br /> AIRBLAST LIMITS <br /> Low-Frequency Limit of Measuring Maximum Level <br /> System, in Hz (t3dB) in dB <br /> 0.1 Hz or lower - Flat response 135 peak <br /> 2 Hz or lower - Flat response 132 peak <br /> 6 Hz or lower - Flat response 130 peak <br /> C - Weighted, Slow response 109 C <br /> 14-3 Revised 04/11/88 <br />