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Tacoma, Washington
Environmental Services in Tacoma, WA
Environmental site assessments and construction-phase environmental support that keep transactions and projects moving without surprises. Tacoma and the surrounding WA area is covered on a project basis through our Seattle, WA regional hub.
- Dispatched from
- Seattle, WA regional hub (25 mi) · project-based staffing
- Lead time
- Scheduled by phone or proposal; lead time confirmed when the scope is set
- Laboratory
- Sugar Land, TX laboratory under chain of custody, or a mobile laboratory for large projects
- Reporting
- Reviewed and issued under a documented quality system; formatted for owner, engineer, and building-official review
- Serving
- Tacoma and the surrounding WA area — Seattle, Spokane, Vancouver
- Coverage
- Washington statewide · 27 regional hubs
- Technicians
- ACI- and NICET-certified field staff; licensed professionals in Washington
- Call us
- (346) 420-5425
Scope
Environmental services in Tacoma
- Phase I Environmental Site Assessments for acquisitions and refinancing
- Phase II subsurface sampling when a Phase I identifies recognized environmental conditions
- Construction stormwater support: SWPPP compliance inspections
- Soil management screening for export and import of fill material
Full scope, standards list, and pricing basis: Environmental Services.
Local conditions
Environmental conditions in Tacoma
Tacoma's industrial waterfront history, active Port operations, and the region's legacy of timber, smelting, and rail activity mean that soil and groundwater conditions on many parcels carry environmental history that matters before the first shovel moves. Washington State's Model Toxics Control Act (MTCA) adds a regulatory layer beyond federal Superfund requirements, and Ecology's cleanup standards affect how transactions are structured and how construction-phase work is managed. Our environmental services team supports contractors, developers, and engineers across the Tacoma area with Phase I and Phase II environmental site assessments, soil and groundwater sampling, and construction-phase environmental monitoring—work dispatched through our Seattle regional hub. Every engagement is scoped to give you the information your lender, buyer, or permitting agency actually needs, documented in a format prepared for third-party review. The laboratory supporting analytical work operates under a documented quality system.
Western Washington's wet climate means soil disturbance during the long rainy season can accelerate contaminant migration and complicate remediation timelines, so early-phase environmental characterization is particularly useful before ground is broken. Tacoma's mix of former industrial, port-adjacent, and fill-influenced parcels makes pre-transaction soil and groundwater screening a practical step on a broad range of project types, not just obvious brownfields.
FAQ · Tacoma
How does Washington's Model Toxics Control Act differ from federal CERCLA requirements, and which governs cleanup on a Tacoma project?
MTCA is Washington's state-level hazardous-waste cleanup law and is typically the primary driver of remediation decisions on sites within the state. It establishes cleanup standards and a remedial action process administered by the Washington Department of Ecology. CERCLA applies concurrently on federally listed or federal-nexus sites. For most private commercial transactions and development projects in Tacoma, MTCA criteria govern sampling design, cleanup levels, and reporting format.
Our Tacoma site is near the waterfront and may have fill material of unknown origin. What additional sampling is typically warranted?
Fill of uncertain origin warrants soil characterization that goes beyond a standard Phase II grid. Sampling should target variable depths to identify fill boundaries, and analytical suites commonly include metals, petroleum hydrocarbons, semi-volatile organic compounds, and potentially PCBs given regional industrial history. If groundwater is encountered within the fill, screening wells are typically added. Sampling protocols follow ASTM D6282 for direct-push applications and applicable MTCA guidance for reporting thresholds.
Our GC needs to manage soil cuttings and excavated material during construction. What environmental support is required on a contaminated or suspect site in Tacoma?
Construction-phase environmental support typically includes soil characterization ahead of excavation to classify material as clean fill, potentially contaminated, or dangerous waste under Washington Administrative Code. A field technician can collect and document samples for laboratory analysis before material is staged or hauled. Waste determination affects disposal facility acceptance and transport manifesting. Scheduling is coordinated through our Seattle hub to align with your excavation sequence.
Which office covers environmental in Tacoma, WA?
Field work in Tacoma is dispatched through the Seattle, WA regional hub, about 25 miles away. Laboratory testing is performed in Sugar Land, TX under chain of custody, or in a mobile laboratory mobilized to large Tacoma projects.
Are the technicians you send to Tacoma certified?
Field sampling and testing in Tacoma are performed by our ACI- and NICET-certified technicians. Environmental engineering and professional services are delivered with professionals licensed in Washington, coordinated under one proposal.
Hiring: we staff this work locally. Field technician openings in Tacoma · all positions.
Scheduling & proposals
Need environmental services in Tacoma?
Call to schedule a technician, or send project documents for a written proposal.