Urine drugs of abuse
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.
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| Accurate & Reliable drug testing — The following is an explanation of RTL's screening and confirmation procedures/cut-off levels. |
The manner in which specimens are collected and handled is very important. Specimens must be handled and controlled by collection site personnel throughout the collection process. |
The following is a guide on how to properly label and package specimens being sent to RTL for screening & confirmation testing. |
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| RTL's objective is to provide its clients with all the tools possible to help prevent drug abuse. Reliable and useful toxicology reports are essential to this objective. |
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. |
If you are a collection site or TPA agency and wish to work directly with Redwood Toxicology Laboratory, please join our referral network. |
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| 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 following links provide comprehensive information on drugs, drug and alcohol abuse, drug abuse prevention, drug testing, recovery programs and general health related sites. |
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The Resource Library includes information available in our printed Reference Guide, delivered to all new clients. To download a PDF of our Reference Guide, click here.