In late April, the NIOSH National Personal Protective Technology Laboratory (NPPTL) issued an regarding N95 respirators that are being improperly sold by Toolway Industries in Canada. The N95s in question are being sold with NIOSH approval numbers 84A-3323, 84A-5530, and 84A-6766. According to NPPTL, the approval numbers are valid, but they were not issued to Toolway Industries. NPPTL warns individuals who have purchased any products from Toolway Industries bearing these three approval numbers that the products have not been tested or approved by NIOSH. To verify if a respirator is NIOSH-approved, the agency suggests checking the respirator approval markings or the , which is available online. NIOSH posts notices on its website as it becomes aware of counterfeit respirators or those misrepresenting NIOSH approval. The also contains previously issued notices, plus examples of counterfeit respirators and misrepresentation of NIOSH approval. NPPTL is the division of NIOSH that works to prevent diseases, injury, and death for workers relying on personal protective equipment.