Remove the following text:CASE 2. Reverberation TimeCore learning spaces with an enclosed volume of 20,000 cubic feet orlarger must meet an RT of 1.5 seconds. For each core learning space, theRT must be calculated separately for the 500 Hz, 1,000 Hz, and 2,000 Hzbands; all 3 RT values must meet the stated requirement.Insert the following text:Compliance with ANSI Standard S12.60-2002Core learning spaces with an enclosed volume of 10,000 cubic feet or lessmust meet an RT of .6 seconds or less, 10,000 to 20,000 cubic feet mustmeet an RT of .7 seconds or less, and 20,000 cubic feet or larger mustmeet an RT of 1.5 seconds or less.