Drug Test Resources
Essential resources for your drug test program.
Redwood Toxicology Laboratory's (RTL) Resource Library includes comprehensive information to help our clients understand all aspects of drug testing.
Do you have questions about specimen collection and chain of custody? Do you need more information on drug interactions and street names? The general drug information, listed below, can answer some of these questions.
Convenient account management forms for re-ordering drug testing supplies, reordering a test, and requesting updates to your account information.
Accurate & reliable drug testing —The following is an explanation of RTL's screening and confirmation procedures/cutoff levels.
The following is a guide on how to properly label and package specimens being sent to RTL for screening & confirmation testing.
RTL's objective is to provide its clients with all the tools possible to help deter and prevent drug abuse. Reliable and useful on-site screening device resources are essential to this objective.
This information will assist you in understanding specific drugs of abuse and how Redwood Toxicology Laboratory's wide range of urine and oral fluid screening programs test for each drug.
The Resource Library includes information available in our printed Reference Guide,