Table 4     Complaints about and Administrative Measures Taken against Specified Construction Project Types within Areas Designated under the Noise Regulation Law

Number of complaints   Administrative measures
Work using pile drivers 95 Received reports 284
Work using rivet drivers 5 Conducted on-site inspection 1,256
Work using rock crushers 945 Took measurements 375
Work using air compressors 32
Number found to be exceeding regulatory standards
Work involving construction of concrete plants 6 Issued warning to redress situation 0
Work using back hoe dredgers 271 Issued order to redress situation 0
Work using tractor shovels 49    
Work using bulldozers 23 Conducted administrative guidance 1,312

Ministry of the Environment, Government of Japan