It is lawful for an employer to test employees or prospective employees for the presence of drugs or alcohol, in accordance with the provisions of this article, as a condition of continued employment or hiring. However, in order to qualify for a bar from being subjected to legal claims for acting in good faith on the results of a drug or alcohol test, employers must adhere to the accuracy and fairness safeguards outlined in this article.
W. Va. Code § 21-3E-4