However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. Respond to requests for Indoor Air Quality studies using direct-reading instruments and other sampling methods to evaluate airborne contaminants and comfort parameters (such as carbon monoxide, carbon dioxide, volatile organic compounds, particulates, temperature, and relative humidity).