For the purposes of this article:

“Alcohol” means ethanol, isopropanol, or methanol.

“Drugs” means any substance considered unlawful for nonprescribed consumption or use under the United States Controlled Substances Act (21 U. S. C. §812).

“Employer” means any person, firm, company, corporation, labor organization, employment agency or joint labor-management committee, which has one or more full-time employee employed in the same business, or in or about the same establishment, under any contract of hire, express or implied, oral or written in the state. “Employer” does not include, for purposes of this article, the United States, the state, any of its subdivisions or any other public-sector incorporated municipalities, counties, or other local government entities, or any Native American tribe.

“Employee” means any person in the service of an employer, as defined in this section.

“Good faith” means reasonable reliance on facts, or that which is held to be factual without the intent to deceive or be deceived and without reckless, malicious or negligent disregard for the truth.

“Prospective employee” means any person who has made application to an employer, whether written or oral, to become an employee.

“Sample” means such sample of the human body capable of revealing the presence of alcohol or other drugs or other metabolites.

“Split sample” means a part of the sample that is sent to a first laboratory and retained unopened, and which is transported to a second laboratory in the event that the employee requests that it be tested following a verified positive test result of the primary specimen.