The Contractor shall provide drug testing for Agency staff. Testing shall include the collection of specimens for the initial drug screening and confirmation using gas chromatography/mass spectrometry (“GC/MS”) for only those specimens that indicate a positive result on the initial screening. a. The Contractor shall conduct employee drug testing in the following categories: (1) Pre-employment testing, (2) Post-accidental testing i. Post-accidental testing shall be done within three (3) hours, (3) Random testing of employees in positions determined to be safety-sensitive by the Agency, (4) Reasonable suspicion testing, (5) Return to duty testing, (6) Follow-up testing. b. The Contractor-provided drug testing shall be in accordance with the requirements of the Tennessee Drug-Free Workplace Act and 49 C. F. R. 40 at a Department of Health and Human Services (“DHHS”), Substance Abuse and Mental Health Services Administration (“SAMHSA”) certified laboratory. c. The Contractor shall have an online or web-based option for setting up appointments for testing.