The Explosives Officer 1 of Mines Division, Mr TSE Wai-tong, said, ”quarry operators are required to apply for and obtain approvals from Mines Division for blasting to ensure that the blast design, arrangement and monitoring plan are in line with the safety and environmental standards.”

The Explosives Officer 1 of Mines Division, Mr TSE Wai-tong, said, ”quarry operators are required to apply for and obtain approvals from Mines Division for blasting to ensure that the blast design, arrangement and monitoring plan are in line with the safety and environmental standards.”

The Explosives Officer 1 of Mines Division, Mr TSE Wai-tong, said, ”quarry operators are required to apply for and obtain approvals from Mines Division for blasting to ensure that the blast design, arrangement and monitoring plan are in line with the safety and environmental standards.”

The Explosives Officer 1 of Mines Division, Mr TSE Wai-tong, said, ”quarry operators are required to apply for and obtain approvals from Mines Division for blasting to ensure that the blast design, arrangement and monitoring plan are in line with the safety and environmental standards.”