Abstract: A chemical impairment detection system and method of use comprising a video surveillance system adapted to record a facial image of a tester, the video surveillance system having a camera with a lens having a field of view from which the camera views images and distinguishes whether those images have appropriate construction or contrast of light intensity. The invention further comprises a control and relay module having a proper view and position determiner adapted to determine whether the facial image of the tester is properly positioned within the field of view during a chemical impairment detection test, and a test prompter to alert the tester when to begin the chemical impairment detection test. The present invention further comprises a chemical impairment detection sampling device in operable communication with and responsive to the video surveillance system, the sampling device adapted to receive a chemical impairment detection test sample from the tester.

Abstract: A system, device, and method for determining whether an individual has consumed, is intoxicated, or is otherwise impaired by alcohol is disclosed. Further, a device capable of positively identifying the person who provides the impairment test is disclosed. The impairment detection and interlock system disclosed accomplishes this with the use of a video camera that selectively saves images, and an attitude evaluator and, in some embodiments, an exposure evaluator, which ensures that the video camera captures the identity of the tester. A device holster may also be used to facilitate video surveillance.