1. THE HANDICAP RESULTING FROM NOISE-INDUCED HEARING LOSS Communication Self-Esteem Interaction with Environment Intimate Relationships

2. 1995 Construction Employment Data and NIOSH Estimates (1981-1983) of Numbers Exposed at or above 85 dBA

3. Average noise exposure levels (daily L eq ) by type of construction. (Adapted from Sinclair and Haflidson, 1995)

4. Average Daily Noise Exposure Levels (8-hour L eq ) of Heavy Equipment Operators and Associated Laborers in dBA

7. COMBINED EXPOSURES NOISE AND OTHER AGENTS   Lead u u Vibration u u Carbon Monoxide u u Chemicals u u Solvents Toluene Xylene

9. Estimated Numbers of Workers Exposed at or above 85 dBA and Percent using HPDs. (NIOSH percentage estimates (1981-1983) using 1995 Construction Employment Data.)

10. HEARING PROTECTOR USE AMONG CONSTRUCTION WORKERS

11. HEARING PROTECTORS PRACTICAL CONSIDERATIONS

12. AUDIOMETRIC TESTING

13. ACCIDENTS IN CONSTRUCTION

14. BACK-UP ALARMS

15. Diesel-powered rotary drills………... Electrically driven rotary drills……... Machine-Mounted percussion…….. drills (surface) Crawler tractors……………………... Electric shovels and draglines…….. Diesel-powered draglines, cranes… shovels, and hydraulic excavators Haulage trucks……………………… Scrapers……………………………... Front-end loaders…………………... Graders………………………………. Coal augers…………………………. QuietedUnquieted |||||||||||||||||||||||| |||||||||||||||||||||||| 708090100110120 Typical worker exposure, dBa SURFACE MINING EQUIPMENT INDEX