DOT Drug Testing
Mobile DOT-compliant drug and alcohol testing for transportation, construction, and government employees across the greater Milwaukee, WI area.
Overview
Keystone DNA provides mobile, DOT-compliant drug and alcohol testing throughout the greater Milwaukee, Wisconsin area. We come to your job site, terminal, or office to collect samples from your employees — minimizing downtime and keeping your workforce compliant with Department of Transportation regulations.
Who Should Take This Test?
This service is for employers in transportation (truck drivers, CDL holders), construction, and local government who need DOT-regulated drug and alcohol testing for their workforce. We serve companies of all sizes across Milwaukee and surrounding communities.
What to Expect
Schedule an appointment and our certified collector travels to your location. We conduct urine drug screening and/or breath alcohol testing following strict DOT chain-of-custody protocols. Each collection takes about 15 minutes per employee. Negative results are typically reported within 24 hours, and confirmed positives within 48–72 hours.
Accuracy & Reliability
All testing follows DOT-regulated procedures using HHS-certified laboratories. Results meet all federal DOT standards for accuracy and chain-of-custody integrity.
Key Highlights
- On-site collection at your location
- DOT-compliant chain-of-custody
- Serving Milwaukee & surrounding areas
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