Relevant Drug Testing uses the latest in testing equipment in the drug testing program. The use of the device ensures there is no operator objectivity or subjectivity as it completes its analysis independently keeping similar standards at all times. Oral Fluid Drug Testing Newcastle is the best testing method for incident, cause, and return-to-work testing in workplaces. The whole process allows operators to speed up the test, allowing for more tests to get completed within a set time frame.