Product endorsement policy and telephone headsets.

OSHA interpretation letter responding to questions about product endorsement and telephone headsets, stating that OSHA does not endorse commercial products and has no separate noise standard for headsets. The noise standard at 29 C.F.R. 1910.95 applies indirectly, with a permissible exposure limit of 90 dBA as an 8-hour time-weighted average and hearing conservation requirements at 85 dBA or…