What is the maximum Leq allowed for customers over any continuous 2-hour period?

What is the maximum Leq allowed for customers over any continuous 2-hour period?

• A. 85 dBA
• B. 94 dBA
• C. 90 dBA
• D. 100 dBA

Answer: (B)

Leq is the time-weighted average of sound energy over a specified period, so for a fixed-duration exposure, the limit is expressed as the maximum average level allowed in that window. For customers, the standard sets a two-hour continuous window, and the highest permissible average energy in that window is 94 dBA. That means a two-hour period with an average level up to 94 dBA stays within the allowed exposure; exceeding it would mean the noise dose for that visit is too high. The other numbers correspond to different durations or standards and don’t apply to this two-hour limit.

Leq is the time-weighted average of sound energy over a specified period, so for a fixed-duration exposure, the limit is expressed as the maximum average level allowed in that window. For customers, the standard sets a two-hour continuous window, and the highest permissible average energy in that window is 94 dBA. That means a two-hour period with an average level up to 94 dBA stays within the allowed exposure; exceeding it would mean the noise dose for that visit is too high. The other numbers correspond to different durations or standards and don’t apply to this two-hour limit.