TNAG-1613-FCO40-2221-Executive-Council-of-Hong-Kong-memoranda-and-minutes-of-meet-1987 — Page 233

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Table 2 Basic Noise Levels (BNLs)

ASR

A

B

C

Time Period

All days during the evening

| (1900 to 2200 hours), and

holidays (including Sundays)

60

65

70

I during the day-time and evening | | (0700 to 2200 hours)

All days during the night-time | | (2200 to 0700 hours)

45

50

55