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.
| Resource Library | ||||||
| Lab Cut-offs/Methods Accurate & Reliable drug testing — The following is an explanation of RTL's screening and confirmation procedures/cut-off levels. |
Specimen Collection 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. |
Labeling & Shipping 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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| Result Reporting 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. |
Device Resources 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. |
Frequent Questions Our toxicology experts have resolved questions and concerns for thousands of customers. The questions listed here are constantly updated, expanded, and refined to ensure that you have access to the very latest information. |
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| Collection Network If you are a collection site or TPA agency and wish to work directly with Redwood Toxicology Laboratory, please join our referral network. |
Drug Information 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. |
Useful Links 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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| Online Reporting webtoxicology.com - RTL's web based reporting application is your agency's solution to managing drug screen results. Internet reporting is available at no charge to our clients. |
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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.







