HJ 2.4-2021 (English Version) PDF

Scope: + y Acoustic environment quality status quo. Further investigation and evaluation of sound sources [when necessary]) Select pre-capacity model y Model basic data collection and prediction content Acoustic environment impact pre-contribution evaluation | 2

HJ 2.4-2021 Referenced Document

GB 12348 Emission standard for industrial enterprises noise at boundary
GB 12523 Emisson standard of environment noise for boundary of construction site
GB 12525 Emission standards and measurement methods of railway noise on the boundary alongside railway line
GB 22337 Emission standard for community noise
GB 3096 Environmental quality standard for noise
GB 9660 Standard of aircraft noise for environment around airport
GB 9661 Measurement of aircraft noise around airport
GB/T 17247.1 Acoustics-Attenuation of sound during propagation outdoors-Part 1: Calculation of the absorption of sound by the atmosphere
GB/T 17247.2 Acoustics--Attenuation of sound during propagation outdoors--Part 2: General method of calculation
HJ 884 Technical guidelines of accounting method for pollution source intensity Basic principles
HJ/T 90 Norm on acoustical design and measurement of noise barriers

2021 HJ 254-2021 Technical specifications for acceptance of environmental protection facilities after completion of construction projects Electrolytic aluminum and aluminum carbon industry
2016 HJ 274-2015 Standard for national demonstration eco-industrial parks
2009 HJ 274-2009 Standard for Sector-integrate Eco-industrial Parks
2006 HJ/T 274-2006 Standard for sector-integrate eco-industrial parks (on trial)
1995 HJ/T 2.4-1995 Technical Guidelines for Noise Impact Assessment