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FAA · FMCSA · FRA · ON-SITE EMPLOYER TESTING

Mobile Drug & Alcohol Testing in Tri-Cities / Kingsport, Tennessee

On-site DOT-compliant collections at Eastman Chemical Company — the largest employer in Tennessee and one of the world's largest specialty chemical manufacturers — PHMSA pipeline and chemical operations, Holston Army Ammunition Plant DOD explosives manufacturing contractors, and Tri-Cities Regional Airport FAA pilot and crew employer programs.

On-site DOT-compliant collections at Eastman Chemical Company — the largest employer in Tennessee and one of the world's largest specialty chemical manufacturers — PHMSA pipeline and chemical operations, Holston Army Ammunition Plant DOD explosives manufacturing contractors, and Tri-Cities Regional Airport FAA pilot and crew employer programs. Tri-Cities / Kingsport anchors chemical manufacturing & pipeline (phmsa), defense explosives manufacturing (dod), aviation — pilots & crew (faa) employer demand — including Eastman Chemical Company Kingsport; Holston Army Ammunition Plant (HAAP); Tri-Cities Regional Airport (TRI); Appalachian Power / AEP, and related operators across Tennessee. For safety-sensitive CDL drivers, pipeline workers, railroad crews, defense contractors, and aviation employees who cannot leave a shift for a clinic visit, mobile collection keeps operations staffed while meeting federal custody requirements.

OnSite Employer Testing coordinates mobile drug testing collections at your Tri-Cities / Kingsport-area facility, yard, terminal, or job site. We do not operate a clinic. Review how it works or browse all locations we serve across the region.

Why Tri-Cities / Kingsport Employers Need Mobile Testing

Eastman Chemical Kingsport PHMSA chemical pipeline covered-function operator on-site collections

Holston Army Ammunition Plant DOD contractor collections coordinated with base security access protocols

program design and compliance obligations remain your responsibility under applicable law — we coordinate the collections

Industries We Serve in Tri-Cities / Kingsport

Eastman Chemical Company Kingsport

Eastman Chemical Company Kingsport — largest TN employer PHMSA chemical pipeline campus (PHMSA-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Tri-Cities / Kingsport market.

Holston Army Ammunition Plant (HAAP)

Holston Army Ammunition Plant (HAAP) — DOD explosives manufacturing contractor workforce (Non-DOT-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Tri-Cities / Kingsport market.

Tri-Cities Regional Airport (TRI)

Tri-Cities Regional Airport (TRI) — American Eagle/Delta FAA pilot and crew employer programs (FAA-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Tri-Cities / Kingsport market.

Appalachian Power / AEP

Appalachian Power / AEP — PHMSA electric transmission contractor fleet NE Tennessee (Non-DOT-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Tri-Cities / Kingsport market.

Domtar / Resolute Forest Products

Domtar / Resolute Forest Products — paper manufacturing CDL fleet FMCSA (FMCSA-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Tri-Cities / Kingsport market.

Norfolk Southern Tri-Cities

Norfolk Southern Tri-Cities — FRA covered-service railroad employees (FRA-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Tri-Cities / Kingsport market.

TDOT Region 1 Tri-Cities

TDOT Region 1 Tri-Cities — I-81/US-11W construction CDL contractor fleets (FMCSA-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Tri-Cities / Kingsport market.

Applicable Regulations

Employers in Tri-Cities / Kingsport commonly coordinate testing under:

  • 49 CFR Part 40 — DOT collection and laboratory procedures
  • 49 CFR Part 199 — PHMSA Eastman Chemical pipeline and chemical distribution operators
  • DOD contractor drug-free workplace requirements — FAR 52.223-6 for Holston AAP contractors
  • 14 CFR Part 120 — FAA safety-sensitive TRI pilot, crew, and maintenance employer programs
  • 49 CFR Part 219 — FRA covered service Norfolk Southern Tri-Cities
  • 49 CFR Part 382 — FMCSA CDL paper manufacturing and logistics carrier fleets
  • Tennessee Drug-Free Workplace Act (T.C.A. § 50-9-101 et seq.) — workers' comp premium discount

Testing Services Available in Tri-Cities / Kingsport

We coordinate the following collections for Tri-Cities / Kingsport-area employers:

On-Site Collections in Tri-Cities / Kingsport

Tri-Cities Regional Airport FAA pilot, crew, and maintenance employer on-site collections

Norfolk Southern Tri-Cities FRA covered-service random and post-incident collections

Domtar / Resolute paper CDL fleet pre-employment and random pool management

Tennessee DFWP Act compliant collections — workers' comp premium discount

Use our instant quote calculator to scope your collection or visit our service areas page for broader coverage context.

Questions from employers in this region

Eastman Chemical is the largest employer in Tennessee — what PHMSA requirements apply to their Kingsport campus?

Eastman Chemical operates one of the largest integrated specialty chemical campuses in the world at Kingsport, including PHMSA-regulated chemical feedstock pipeline systems. Covered-function employees operating or maintaining those systems are subject to 49 CFR Part 199 anti-drug and alcohol misuse prevention requirements. We coordinate PHMSA-compliant on-site collections for Eastman Chemical and their contractor employers at the Kingsport campus.

Holston Army Ammunition Plant manufactures military explosives — can you coordinate DOD contractor testing there?

Yes. We coordinate with your HAAP contractor security officer and program manager to arrange collector credentialing under DOD installation access protocols. All collections meet FAR 52.223-6 drug-free workplace requirements for federal defense manufacturing contracts.

Nationally coordinated collection support

OnSite Employer Testing is headquartered in Illinois and coordinates mobile and on-site employer testing across selected regions and employer locations—including through partner collectors when your program, timing, and geography allow. Availability depends on location, timing, test type, site access, collector availability, and scheduling needs.

Scope collections for your Tri-Cities / Kingsport-area operation

Share your facility address, expected donor count, test reason, and DOT or non-DOT status — we confirm what is workable and send a written proposal.