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Workers are confronted with serious occupational hazards when they chip out hardened concrete from the interior of mixer drums on concrete trucks. The training materials provided here were developed to give workers the knowledge they need to conduct this work safely and efficiently. The recommendations included are intended to be feasible for both the worker and the employer, and to represent the best practices for safely conducting this work. Also included here are the resource materials that safety directors need ensure that programs such as respiratory protection, hearing conservation, and lockout/tagout are fully and effectively implemented.

These training materials were developed by the Safety, Health, and Environmental Technologies Division at Georgia Tech Research Institute, in Atlanta, Georgia, as part of the Susan Harwood Training program for 2004. These training materials are posted on our website at Additional copies of the materials on CD-ROM may be requested by email to

Funding for this project was provided under grant number 46D3-HT02 from the Occupational Safety and Health Administration, U.S. Department of Labor. It does not necessarily reflect the views or policies of the U.S. Department of Labor, nor does mention of trade names, commercial products, or organizations imply endorsement by the U.S. Government.

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