
DOT Drug Testing Maryland — Mobile Employer Collections
Qualified mobile DOT urine specimen collection for Maryland employers and motor carriers. We provide on-site federal compliance support at your yard, terminal, or project site, 24/7.
01
DOT Urine Collections
Mobile specimen collection for pre-employment, random, post-accident, reasonable-suspicion, return-to-duty and follow-up testing when authorized by the employer/program.
02
Breath Alcohol Collections
Mobile breath alcohol collection support using qualified collection procedures to assist employers in maintaining federal compliance at the work site.
03
Employer Collection Support
Scheduled and urgent mobile collection support for employers that may already have a laboratory, MRO, TPA or C/TPA arrangement in place.
How Mobile DOT Collection Works

01
Request Collection
The employer provides the testing reason, donor information, collection location, and applicable laboratory or program instructions.
02
Confirm Testing Instructions
Required collection details, forms, and program instructions are confirmed before service.
03
Mobile Specimen Collection
A DOT-qualified collector meets the donor at the approved location and follows the applicable chain-of-custody collection process.
04
Laboratory & MRO Process
Specimens are prepared and sent according to the employer’s designated laboratory or program instructions. Laboratory testing and MRO review are handled by the appropriate laboratory and MRO.
Trucking & Motor Carriers
Construction
Utilities
Waste & Environmental Services
Logistics & Distribution
Passenger Transportation
Equipment & Field-Service Fleets
Government Contractors with DOT-Covered Operations
Who We Serve
Mobile DOT Drug Testing Across Maryland
ProActive Testing Solutions provides mobile DOT specimen collection services throughout Maryland, including Baltimore, Columbia, Towson, Annapolis, Laurel, Bowie, Silver Spring, Rockville, Frederick, and surrounding communities. Additional mobile service is available in Washington, DC and Northern Virginia where applicable.
We come to approved employer, workplace, fleet, and jobsite locations for scheduled and urgent collection needs. ProActive is a mobile service and does not represent these cities as physical office locations.
Why Choose ProActive




Mobile Collection
Reduce employee travel and time away from operations with mobile specimen collection at approved employer, workplace, fleet, and jobsite locations.
24/7 Mobile Availability
Support for applicable scheduled, urgent, after-hours, weekend, and holiday collection needs.
Existing Program Friendly
ProActive can provide collection support using an employer’s established laboratory, MRO, TPA or C/TPA instructions when appropriate.
Chain-of-Custody Handling
Collection documentation and specimen handling follow the applicable collection process and employer program instructions.
DOT Drug Testing Maryland FAQs
Do you provide mobile DOT drug testing in Maryland?
Yes. ProActive Testing Solutions provides mobile DOT urine specimen collection services for employers throughout Maryland, with additional service in Washington, DC and Northern Virginia where applicable.
Can ProActive collect if our company already has a laboratory, MRO or TPA?
Yes. ProActive can provide mobile collection support using the employer’s existing program instructions and established laboratory, MRO or TPA/C/TPA relationships when appropriate.
Do you provide post-accident DOT collections?
Yes. When an employer or DER determines that a DOT post-accident collection is required, ProActive can provide mobile collection support based on availability and the employer’s applicable collection instructions.
