Advertisement'There's No Good Dust': What Happens After Quartz Countertops Leave The FactoryDecember 02, 2019Nell GreenfieldboycefacebookEmailThe Cambria factory in Minnesota manufactures slabs of engineered quartz for kitchen and bathroom countertops. If businesses don't follow worker protection rules, cutting these slabs to fit customers' kitchens can release lung-damaging silica dust. (Cambria)