About Redwood Toxicology Section

What is Learning XChange® ?

Easily train on-location and at your speed. The Learning XChange® training portal is your complete system for on-demand training. Our in-depth training portal ensures you and your organization perform testing in a manner consistent with manufacturer and industry recommendations.

To access the Learning XChange system, please click here.

*PRODUCT TRAINING CERTIFICATE: RTL's product training certification ensures that collection, device testing and result interpretation are performed in a manner consistent with manufacturer recommendations. RTL's product training certification is NOT an accredited proficiency certification for DOT or workplace specimen collection/testing. Contact DATIA, SAPAA or Office of Drug & Alcohol Policy & Compliance (DOT) for more information on specimen collection/testing certification.

To learn more about Reditest screening devices call:


Contact Us

Laboratory: 800-255-2159

Products: 877-444-0049