Starting with MSHA's dwelling page--www.msha.gov--there are many extremely good sources of information about the fresh MSHA regulations. A brief sample: * Health Standards for Occupational Noise Exposure; Final sway (Sept. 13, 1999). Federal Register, 64 (176) pp49548-49634 and 49636-49637 Visit www.msha.gov/ 1999noise/noiserules.htm * Compliance Guide to MSHA's Occupational Noise position Standard (March 2000). Visit www.msha.gov/regs/ complian/guides/noise / guide303cover.htm * Audiometric Testing