Our Experts

Joseph Jones
Chief Operating Officer and Executive Vice President Ph.D., NRCC-TC
Dr. Joseph Jones is the Chief Operating Officer and Executive Vice President for USDTL with more than 25 years of experience in the forensic toxicology industry. Jones has provided expert testimony in a variety of venues throughout the country and appears as an author on over a dozen peer-reviewed scientific articles. Jones is listed by The National Registry of Certified Chemists as a Toxicological Chemist, is a CAP Laboratory Inspector, and is a qualified expert in drug testing in several venues including union arbitration, unemployment hearings, family court, civil court, criminal court and Military courts-martial. In addition, Jones frequently gives workshops, presentations, and webinars.
Contact USDTL
1.800.235.2367
Client Services
By Phone: 1.800.235.2367
Business Hours (CST)
Monday....................7am-7pm
Tuesday....................7am-7pm
Wednesday.............7am-7pm
Thursday..................7am-7pm
Friday........................7am-7pm
Saturday...................8am-5pm
Newsletters, Posters, and Catalogs
Our print materials will keep you up to date on the latest news in drug and alcohol testing.
Request Your Collection Supplies
For your convenience, USDTL provides test collection supplies at no additional charge.