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Emerald J. Erickson-Mulanax, L.G., R.G.


Senior Geologist, Managing Senior
Issaquah, Washington

MS Geology
BS Earth and Space Sciences
14 years’ experience

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Emerald has more than 14 years of environmental consulting experience and conducts services for clients in Washington and Oregon that include soil, air, and groundwater monitoring and site assessments. She also manages remedial investigation and cleanup projects, and identifies sustainability and climate change adaptation needs for sites. Emerald has additional experience in underground storage tank closure, remedial construction observation, compliance monitoring, U.S. Environmental Protection Agency 104(e) response preparation, Superfund site cleanup allocation processes and environmental response preparation, insurance claims evaluation, and litigation support.


  • Licensed Geologist, Washington
  • Registered Geologist, Oregon

Professional Certifications and Registrations

  • HAZWOPER Site Supervisor

Fun Facts

Emerald enjoys outdoor activities such as hiking, camping, and playing soccer. When indoors she is an avid player of video and board games with her husband, Josh, and relaxing with their two cats Korben and Keanu. She is also a huge fan of the Seattle Mariners, Seahawks, and Sounders sports teams. Emerald is currently the commissioner of Farallon’s Fantasy Football league.


“Resilient Remediation: Addressing extreme weather and climate change, creating community value”

This article summarizes SURF’s (Sustainable Remediation Forum) research and organized knowledge exchanges to examine (1) the impacts of climate change and extreme weather events on hazardous waste sites, and (2) how we can mitigate...

Speaking Engagements


Key Projects

Sediment Cleanup in the Lower Duwamish Waterway

Sediment Cleanup in the Lower Duwamish Waterway

Farallon negotiated with EPA and developed scopes of work for conducting an Engineering...

Uranium Mine

Uranium Mine

Farallon reviewed leases, the operational history, reclamation plans, regulatory agency...

Phase I ESAs And Phase II Investigations

Phase I ESAs And Phase II Investigations

Farallon has performed and managed Phase I ESAs and Phase II subsurface investigations for...

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