{"description":"Documents matching '\"Noise Reduction Rating\" hearing protectors'","count":7,"total_pages":1,"results":[{"title":"Product Noise Labeling Hearing Protection Devices"},{"title":"Occupational Noise Exposure for Railroad Operating Employees"},{"title":"Occupational Noise Exposure for Railroad Operating Employees"},{"title":"Hearing Conservation Program for Construction Workers"},{"title":"Health Standards for Occupational Noise Exposure"},{"title":"Health Standards for Occupational Noise Exposure"},{"title":"NIOSH Meeting"}]}