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Herrera project engineers’ recommendations during this multi-faceted, fast moving operation were key to the successful completion of the project.~US Forest Service, Salmon/Cobalt Ranger District, Idaho – Harmony Mine Site, Time Critical Removal Action

 
With respect to Herrera, I'm privileged to have worked with two very capable and competent project managers... Both fully integrated themselves into and throughout the cleanup or investigatory processes, thus contributing to the overall success of both activities, including scoping, planning, and implementation phases. Moreover, both proved to be uniquely capable of representing EPA while working with other state and federal entities as well as with the public...

In summary, I look forward to the opportunity to continue to work with these (Herrera) individuals under any and all circumstances. I have complete confidence in their proven abilities and highly value and trust our working relationships.
~USEPA Coeur d’Alene Field Office

Hazardous Materials

Herrera provides engineering, scientific, and management support to evaluate and solve problems associated with hazardous materials (hazmat) and hazardous waste.

Over the past 15 years, we have served as the prime consultant in support of the U.S. Environmental Protection Agency, U.S. Army Corps of Engineers, U.S. General Services Administration, Washington State Department of Ecology, Washington State Department of Transportation, Port of Seattle, Sound Transit, City of Seattle, and private sector clients. Herrera also routinely provides hazmat support to planning and engineering firms as a team member for large-scale site development initiatives. We are proud of the many positive working relationships that we have developed with both clients and prime consultants and strive to exceed expectations on all projects. What sets us apart from other consultants is the unsurpassed expertise of our technical staff and the consistent high quality of our work product.

Environmental regulators and private clients praise Herrera for engineering and scientific support on cleanup investigations and assessment, remedial design, waste management, and regulatory compliance.

Hazardous Materials Services

  • Compliance Monitoring

  • Contaminant Source Tracking

  • Environmental Compliance

  • Environmental Documentation

  • Hazmat Construction Oversight

  • Mine Site Assessment, Stabilization, and Site Restoration

  • Pollution Source Control

  • Property Transfer – Due Diligence

  • Remedial Design

  • Sediment Management

  • Site Characterization

  • Site Development

  • Training Services

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