Code of Federal Regulations Title 42. Public Health § 42.85.3 Procedures for requesting health hazard evaluations

(a) Requests for health hazard evaluations should be addressed to the National Institute for Occupational Safety and Health as follows:

(b) Requests for health hazard evaluations shall be submitted in writing and signed by either:  (1) The employer in whose place of employment the substance or physical agent is normally found, or (2) an authorized representative of employees (see § 85.3–1(e)) in the place of employment where the substance or physical agent is normally found.