Mine Safety and Health: Tampering Scandal Led to Improved Sampling Devices

HRD-93-63 Published: Feb 25, 1993. Publicly Released: Mar 05, 1993.
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Pursuant to a congressional request, GAO reviewed the Mine Safety and Health Administration's (MSHA) development and use of tamper-resistant devices, particularly cassettes and pumps, for collecting coal dust samples in its respirable coal dust program.

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