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DOT-COMPLIANT · ON-SITE EMPLOYER DRUG TESTING

Longview, Washington Mobile Drug & Alcohol Testing

Columbia River Port · Timber & Paper Industry · BNSF/UP FRA · I-5 FMCSA — Mobile collections in Southwest Washington's industrial hub.

Longview anchors Cowlitz County's heavy industrial economy — home to the Port of Longview (a major Columbia River grain export and bulk cargo terminal), Weyerhaeuser's timber operations, Nippon Paper, and one of the Pacific Northwest's most significant rail junctions where BNSF and Union Pacific interchange. The Columbia River barge industry adds USCG compliance obligations. I-5 carries dense CDL freight between Portland and Seattle. OnSite Employer Testing serves Cowlitz County and the Kelso-Longview industrial corridor.

OnSite Employer Testing coordinates mobile drug testing collections at your Longview-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.

Southwest Washington's Timber, Rail, and River Industrial Base

Longview anchors Cowlitz County's heavy industrial economy — home to the Port of Longview (a major Columbia River grain export and bulk cargo terminal), Weyerhaeuser's timber operations, Nippon Paper, and one of the Pacific Northwest's most significant rail junctions where BNSF and Union Pacific interchange. The Columbia River barge industry adds USCG compliance obligations. I-5 carries dense CDL freight between Portland and Seattle. OnSite Employer Testing serves Cowlitz County and the Kelso-Longview industrial corridor.

FRA 49 CFR Part 219 governs BNSF and UP employees at the Longview junction — a key West Coast Class I interchange. USCG 46 CFR Part 16 applies to Port of Longview merchant mariners. FMCSA 49 CFR Part 382 covers I-5 CDL fleets. Washington I-502 does not affect DOT testing.

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

Industries Served in Longview

Port and maritime

Port and maritime — Port of Longview grain and bulk cargo. We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Longview market.

Timber and forest products

Timber and forest products — Weyerhaeuser, Nippon Paper. We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Longview market.

Railroad

Railroad — BNSF/UP Longview interchange junction. We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Longview market.

CDL freight

CDL freight — I-5 Portland-Seattle corridor. We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Longview market.

Columbia River barge operations

Columbia River barge operations. We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Longview market.

Healthcare

Healthcare — PeaceHealth St. John Medical Center. We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Longview market.

Construction and utilities

Construction and utilities. We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Longview market.

Applicable RegulationsLongview, WA

Employers in Longview commonly coordinate testing under:

  • FRA 49 CFR Part 219 — BNSF and Union Pacific engineers, conductors, dispatchers, and MOW employees at Longview's major BNSF/UP interchange junction
  • USCG 46 CFR Part 16 — Merchant mariners at Port of Longview Columbia River terminal (coordination available)
  • FMCSA 49 CFR Part 382 — CDL drivers on I-5, SR-4, and SR-432 serving Port of Longview and Cowlitz County industrial freight
  • DOT Return-to-Duty & Follow-Up — SAP-supervised employees

Testing Services Available in Longview

We coordinate the following collections for Longview-area employers:

On-Site Collections in Longview

Pre-employment, Random, Reasonable Suspicion, Post-Accident — urine, oral fluid, and EBT

Timber and paper manufacturing panels — Weyerhaeuser, Nippon Paper, sawmill workforces

Washington I-502 Compliance — recreational cannabis does NOT affect DOT-regulated employees

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

Do you serve both BNSF and Union Pacific crews at the Longview interchange?

Yes. FRA 49 CFR Part 219 post-accident, reasonable suspicion, and random collections are available for both BNSF and UP crews at the Longview junction.

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.

Mobile Testing for Longview's Port, Rail, and Timber Workforce

Port of Longview, BNSF/UP, Weyerhaeuser, and I-5 carriers — get compliant mobile collections dispatched to your Cowlitz County site today.