For purposes of the hearing conservation program, employee noise exposures shall be computed in accordance with appendix A and Table G-16a, and without regard to any attenuation provided by the use of personal protective equipmentâ (1910.95(c)(1)).
The platysma is a superficial muscle that overlaps the sternocleidomastoid. It is a broad sheet arising from the fascia covering the upper parts of the pectoralis major and deltoid; its fibers cross the clavicle, and proceed obliquely upward and medially along the side of the neck.
dysplastic nevus. Dermatology A premalignant skin lesion characterized by irregular, > 5 mm in diameter macules numbering from a few to hundreds with a central papule, variegated dark color and lenticular changes.