hearing loss in work place discussion

Four million workers go to work each day in damaging noise. Ten million people in the U.S. have a noise-related hearing loss. Twenty-two million workers are exposed to potentially damaging noise each year. Review the follwing website http://www.cdc.gov/niosh/docs/2001-103/ and then discuss your opinions on what companies can do to prevent hearing loss in the workplace.

few short paragraphs - please cite references - MUST be in by deadline