What is the consequence of incorrect test type selection on Line F?

Selecting an incorrect test type for a drug screening can lead to significant issues in the testing process. In the context of Line F, if the test type chosen does not align with the required parameters for the sample being collected, the sample cannot be processed by the Department of Transportation (DOT). This occurs because the DOT has strict guidelines in place regarding the specific tests that need to be performed on samples depending on the intended purpose of the test, such as pre-employment drug screens or random drug testing.

An improper selection not only creates a procedural error but also reflects a lack of adherence to DOT regulations, which could ultimately jeopardize the testing chain of custody and render the results invalid. This is critical in ensuring safety within transportation sectors, where compliance is paramount. Thus, the consequences of an incorrect test type selection can significantly hinder the testing process, confirming that the sample is unable to be processed by the intended regulatory body.