THC - Marijuana Can a donor test positive through passive inhalation because he was in the same room with someone smoking marijuana? This is a question that has had a long history. It has been shown that it is possible to have minute detectable levels of THC from passive inhalation, although with th...

The NATIONAL TOXICOLOGY SPECIALISTS (NTS) team has implemented and/or managed nationwide drug free workplace programs for more than 16 years. We provide businesses and professional assistance programs complete solutions for substance abuse testing. We can help you with: Drug & Alcohol Testing : ...

what we do > policy review Policy Review How do you handle a Negative Dilute Sample? Are you aware of the Newest Class of Dilute Samples (Highly Dilute) from The May, 2003 DOT Regulatory Update? Whats the latest with Adulterants? Have you reviewed the latest DOT Regulations? When was the last time y...

what we do > expert witness Expert Witness Dr. Howard Taylor our board certified Toxicologist, SAMHSA Laboratory inspector, and Breath Alcohol Instructor is sometimes called on to review drug and alcohol test results from other laboratories and testing facilities by attorneys. Also, Dr. Greg Elam, o...

what we do > AP / SAP consultation AP / SAP Consultation Call us or email us to see what types of training you are required to have. Many employers are required to provide training for Employees and Supervisors. Covered employees must receive at least 60 minutes on the effects and consequences of pr...