Maybe. As a defective respirator attorney, I have seen masks cause black lung disease in coal miners and silicosis lung disease in factory workers. I handled defective mask cases for three years and helped countless injured workers. Coal dust found in surface and underground mines has been known to move right through the mask and/or respirators and settling in coal miner’s lungs. Likewise, factory workers are oftentimes exposed to silica dust and particles which can move through the masks. Silica … Continue Reading >