18 CFR § 1300.105 - National origin harassment.
It is TVA policy that all TVA employees are responsible for assuring that the workplace is free from national origin harassment. Accordingly, all employees must avoid any action or conduct which could be viewed as national origin harassment, including ethnic slurs and other verbal or physical conduct relating to an individual's national origin when such conduct:
(a) Has the purpose or effect of creating an intimidating, hostile, or offensive working environment;
(b) Has the purpose or effect of unreasonably interfering with an individual's work performance; or
(c) Otherwise adversely affects an individual's employment opportunities.