Phase II of respirable coal mine dust rule

Eighteen months after its landmark rule aimed at preventing black lung disease took effect, the US Mine Safety and Health Administration (MSHA) is implementing its second phase

Phase II of respirable coal mine dust rule Phase II of respirable coal mine dust rule Phase II of respirable coal mine dust rule Phase II of respirable coal mine dust rule Phase II of respirable coal mine dust rule

A Colorado coal miner waiting for a black lung screening. Photo: NIOSH

In future underground coal mine operators are required to collect an increased number of coal dust samples, use a continuous personal dust monitor (CPDM) to measure dust levels in real time and notify