Table 3.1 Acceptable Noise Level for Fixed Plant Noise

Time Period	NCO criteria			TM-EIA
	ASR ‘A’	ASR ‘B’	ASR ‘C’	ASR ‘A’	ASR ‘B’	ASR ‘C’
Daytime and Evening (0700-2300 hours)	60	65	70	55	60	65
Night-time (2300-0700 hours)	50	55	60	45	50	55

Source: IND-TM