(1) disciplinary actions for employees subject to discipline under Section 67-19-37;
(2) the testing of employees for the use of controlled substances or alcohol as provided in Section 67-19-36;
(3) the confidentiality of drug testing and test results performed under Section 67-19-36 in accordance with Title 63G, Chapter 2, Government Records Access and Management Act; and
(4) minimum blood levels of alcohol or drug content for work effectiveness of an employee.