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We have two locations. Walk-in customers need to go to the administrative offices.
See the directions page for more info.
DUI and DUID FAQ's Other Services FAQ's

DUI and DUID samples

What are the Colorado rules & regulations pertaining to DUI/DUID samples?
You can get a complete copy of those rules & regulations here.
What is the procedure for having a second sample tested?
To have us test a second sample, use the following steps:
  1. Complete a Request For Analysis form.
  2. If necessary, send a DA's release as well.
    Please call if you are unsure whether or not this is necessary.
  3. Send the completed form along with payment to:
    ChemaTox Laboratory, Inc
    PO Box 20590
    Boulder, CO 80308
    or fax it to: (303)440-0668
    If paying by check or money order, please mail it with a copy of the Request For Analysis form. Please note on the form that you have already faxed a copy.
How much does it cost for a second sample test?
We charge $65 for the test. If the sample is located along the Colorado Front Range, our courier can pick it up. The courier cost depends on whether the sample is located. A list of courier charges is available here.
How can I pay for my testing?
We accept checks, money orders, Visa, Mastercard and Discover. You can pay with cash on-site. The Request For Analysis form has a payment section that you should fill out.
When do I get my report?
We guarantee that we will have results for blood-alcohol and drug screens 2 weeks after we receive the sample. If your sample requires additional work, generally confirmation and quantitation on GC/MS, it typically takes 8 to 12 weeks.
It has been more than 2 days and I don't have my results, where are they?
We mail a report after the test has been completed. If you need results more quickly, please make sure to request that we fax the results on your Request For Analysis.
I've been told there are no retained breath samples, what does that mean?
Beginning in January 2007, Colorado jurisdictions began switching over to a new rule pertaining to breath testing. This regulation does not require the capture of a second sample for testing by an independant laboratory. This rule is:
Department of Public Health and Environment 5 CCR 1005-2, Part 6: Evidential Breath Testing - Collection and Testing Procedures after Installation of Intoxilyzer 5000EN Software Revision 1358.XX.
A full copy of these rules is available online.
NOTE: They still collect second samples for blood tests. These are available to be retested by the defendant.
You did the testing on the first sample for the police; can you test the second sample as well?
Yes. We are an independant laboratory and do not have a specific affiliation with any law enforcement agency. Our interest lies in the quality of the science; not the specific outcome in any case. Our goal is to provide the most accurate testing we can to ALL of our clients.
I would like to have another laboratory test the second sample, what do I need to do to have you send it elsewhere?
We charge $15 to package and mail second samples. Send us a letter along with the fee telling us where you would like the second sample sent. In addition, we will require a release from the appropriate District Attorney's office.
I want to send a sample to you. How should I package it?
Blood and urine samples can be sent through the U.S. Mail. Samples should be wrapped in a packing material of some type and placed in a box. Do NOT send test tubes in envelopes, regardless of any bubble wrapping they may contain. These can be crushed in transit. You can also use the standard shipping companies (FedEx, UPS, DHL, etc.) to send samples.

Other Services


Do you offer expert testimony?
Yes. Our chemists are qualified as expert witnesses in forensic toxicology.
How much to you charge for expert testimony?
We charge $200 per hour for testimony time. Other charges apply for travel and case preperation. Consult our pricing schedule for details.
What do I have to do to schedule you for a case?
Call our office to have your case calendared. Before we will appear we will require the following payment in advance:
  • Calendaring fee (non-refundable)
  • 1 hour case preparation time (this includes time for a pre-trial conference)
  • Driving time
  • Mileage
After the trial, you will be billed for actual testimony time, any additional case preparation time, and any additional expenses.
How can I pay for your services?
We accept checks, money orders, Visa, Mastercard and Discover. You can pay with cash on site.

Testing Services (not DUI/D related)

Do you perform Urine Analysis?
Yes. Please consult our pricing schedule.
I have an unknown substance, can you test it for drugs? Can you identify it?
Yes. Please call for more information.
Can you test a controlled substance that has been taken as evidence by the police?
Yes. We have a DEA registration. This allows us to receive and test controlled substances.
Do you perform DNA testing?
No. DNA Services of America has a Denver location and they should be able to help you.
Do you perform blood typing tests?
No. Quest Diagnostics, which has facilities all over the country can perform these types of tests.
Do you perform hair analysis?
No. Forensic Laboratories, Inc. located in Denver, CO can perform these tests.
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PO Box 20590, Boulder, CO 80308   (303)440-4500
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