To carry out " law of environmental protection of People's Republic of China " and " law of prevention and cure of noise pollution of environment of People's Republic of China " , protect an environment, noise pollution of railroad of prevention and cure, my department decision discharges a standard to national environment noise " railroad border noise is restricted value and measurement technique " (GB 12525-90) undertake modification. Announce modification plan now, carry out since October 1, 2008.
　　
Hereby announcement.
　　
Accessory: " noise of iron roadside bound is restricted value and measurement technique " (GB 12525-90) modification plan

Two years on July 30

Thematic word: Environmental protection discharges standard railroad noise to revise plan announcement