Department of Health and Human Services An employee notified of a positive controlled substance or alcohol test result may request an independent test of their split sample at the employee’s expense. If the test result is negative, the Employer will reimburse the employee for the cost of the split sample test. An employee who has a positive alcohol test and/or a positive controlled substance test may be subject to disciplinary action, up to and including dismissal, based on the incident that prompted the testing, including a violation of the drug and alcohol free work place rules.