Where an employer uses objective data to satisfy the exposure assessment requirements under paragraph (d)(2) of this standard, the employer must make and maintain a record of the objective data relied upon.
The employer must ensure that objective data are maintained and made available in accordance with the Records Access standard (§ 1910.1024).
The beryllium-containing material in question;
A description of the process, task, or activity on which the objective data were based; and
Other data relevant to the process, task, activity, material, or airborne exposure on which the objective data were based.