Restricted Hours Noise Monitoring Results [1]
Station NM1
Date	Start Time	End Time	Weather	Noise level (dB(A)), 5 min			Major Construction Noise Source(s) Observed	Other Noise Source(s) Observed	Remarks	Temp. (°C)	Wind Speed (m/s)	Noise Meter Model / ID	Calibrator Model / ID
				Leq	L10	L90
05-Dec-10	10:00	10:05	Sunny	66	68	61	Noise from nearby playground and idling of private bus nearby (the last 10min)	Mainly traffic noise	-	22	0.2	RION- NL31 (S/N 00983400)	RION - NC73 (S/N 10997142)
	10:05	10:10	Sunny	69	70	66			-
	10:10	10:15	Sunny	68	70	66			-
	10:00	10:15	Sunny	68	70	65			Average results during 15 min monitoring
10-Dec-10	23:06	23:11	Fine	64	64	56	-	Mainly traffic noise	-	19	0.3	RION- NL31 (S/N 00983400)	RION - NC73 (S/N 10997142)
	23:11	23:16	Fine	60	63	56			-
	23:16	23:21	Fine	64	64	57			-
	23:06	23:21	Fine	63	64	56			Average results during 15 min monitoring
19-Dec-10	10:00	10:05	Sunny	65	67	62	-	Traffic noise	-	19	0.3	RION- NL31 (S/N 00983400)	RION - NC73 (S/N 10997142)
	10:05	10:10	Sunny	69	71	63			-
	10:10	10:15	Sunny	67	70	63			-
	10:00	10:15	Sunny	67	70	63			Average results during 15 min monitoring
23-Dec-10	23:08	23:13	Sunny	63	64	56	-	Traffic noise	-	18	0.2	RION- NL31 (S/N 00410224)	RION - NC73 (S/N 10997142)
	23:13	23:18	Sunny	62	63	57			-
	23:18	23:23	Sunny	63	63	56			-
	23:08	23:23	Sunny	63	63	56			Average results during 15 min monitoring
			Min.	60
			Max.	69
[1] No class was held at the school during the measurement period on 5, 10, 19, and 23 December 2010.