Rooms

Leq dB(A)

NC

Recommended dB(A)

Recommended NC

Subjective assessment

103

51.2

44

40 - 50

35 - 45

Moderate

116

42.8

37

40 - 50

35 - 45

Quiet

117

42.8

37

40 - 50

35 - 45

Quiet

118

46.1

41

40 - 50

35 - 45

Quiet

Lab 128

47.6

45

50 - 50

35 - 45

Moderate