What we offer
Professional Mobile Collection Services
ONSPOT brings certified, compliant specimen and DNA collection directly to your workplace — no lab visits, no disruption to your operations.
Workplace Drug Testing
Our certified collectors perform observed and unobserved urine specimen collections following strict chain-of-custody protocols. We serve employers, staffing agencies, transportation companies, and courts requiring DOT and non-DOT compliant testing.
DOT & Non-DOT Compliant
Collections meet all federal DOT guidelines and standard non-DOT employer requirements.
Chain of Custody
Every specimen is handled with documented chain-of-custody forms to ensure legal defensibility.
Pre-Employment & Random Testing
We support pre-employment screening, random pools, post-accident, and reasonable suspicion collections.
On-Site Collection
We come to your facility, job site, or any agreed location across the Baltimore metro area.
Who we serve
- Employers & HR Departments
- Staffing Agencies
- Transportation Companies
- Courts & Legal Firms
- Construction & Trades
- Healthcare Organizations
Who we serve
- Family Law Attorneys
- Immigration Attorneys
- Courts & Government Agencies
- Individuals & Families
- Healthcare Providers
- Social Services
Certified DNA Specimen Collection
ONSPOT provides professional buccal swab DNA collection for paternity testing, immigration cases, legal proceedings, and ancestry purposes. Our collectors follow strict protocols to ensure sample integrity and chain-of-custody compliance.
Legal & Personal Testing
Collections accepted for court-admissible paternity, immigration, and legal DNA testing.
Buccal Swab Collection
Non-invasive cheek swab method performed by a trained, certified collector.
Chain of Custody Documentation
Full documentation provided to ensure sample integrity from collection to lab.
Mobile Convenience
We travel to your location — home, office, or facility — across the Baltimore area.
How it works
Simple, Streamlined Process
Getting started with ONSPOT is straightforward. We handle the logistics so you can focus on your business.
01
Request Services
Contact us by phone or through our inquiry form with your collection needs and preferred location.
02
Schedule a Visit
We confirm availability and schedule a convenient time to come to your workplace or facility.
03
On-Site Collection
Our certified collector arrives, verifies identity, and performs the collection following all required protocols.
04
Lab Submission
Specimens are properly packaged and submitted to the designated laboratory with full chain-of-custody documentation.
Compliance & credentials
Certified, Compliant, and Trustworthy
Every collection we perform meets the highest standards for accuracy, legal defensibility, and confidentiality.
Ready to Schedule a Collection?
Contact ONSPOT today to discuss your testing needs and get a mobile collection scheduled at your location.