Redwood Toxicology Laboratory Home

GSA Advantage Drug Screening Devices


Contract #: GS-07F-0310T



GSA Advantage® is the government's central online shopping superstore. GSA Advantage provides online access to millions of products and services from thousands of federal contractors. Members enjoy all the benefits that GSA Advantage has to offer including full purchasing privileges, e-mail updates, the ability to store order history and more.

If you are a GSA member, then you may order Redwood Toxicology Laboratory, Inc.'s (RTL) instant, on-site drug screening devices directly through the GSA Advantage system.

Order GSA Drug Tests from Redwood Toxicology
View GSA Drug Tests from Redwood Toxicology

Order Drug Tests through GSA
  1. Visit GSA Advantage at:  » www.gsaadvantage.gov.
  2. Select your items and place them into your online basket. If you have any questions about any of the products on our schedule, call us at (800) 255-2159 ext. 4359.
Order Drug Tests through Redwood Toxicology Lab
  1. Contact RTL and request a GSA quote by calling (800) 255-2159 ext. 4359 or email gsa@redwoodtoxicology.com.
  2. RTL will respond to your request and provide a quote with GSA pricing and delivery terms.
  3. Your agency will then issue a purchase order to RTL referencing GSA contract # GS-07F-0310T. You may also provide your Government Purchase Card number for immediate payment.

Screening devices provide only a preliminary test result. Any positive result obtained with these drug screens is presumptive and should be confirmed by an alternate method such as GC/MS.

To learn more about our GSA contract call:    800-255-2159 ext. 4359
›› Contact us online

›› How to order on-site devices