Question

According to the Noise Pollution (Regulation and Control) Rules, 2000, of the Ministry of Environment Forests, India, the day time and night time noise level limits in ambient air for residential area expressed in dB (A) L_eq are

1. 50 and 40
2. 55 and 45
3. 65 and 55
4. 75 and 70

Answer 1

Correct Answer - Option 2 : 55 and 45

Ambient air quality standards in respect of Noise as per Noise Pollution (Regulation and Control) Rules, 2000, of the Ministry of Environment & Forests, India are tabulated below:

Category of Area/Zone	Day time	Night time
Industrial Area	75	70
Commercial Area	65	55
Residential Area	55	45
Silence Zone	50	40