Migizi Group is a full-service environmental, geotechnical and industrial hygiene/safety consulting firm focused on providing our clients with expert-level consulting and project management.

Migizi Group is a small business formed in 2012 through an incorporation of environmental, geotechnical and health and safety professionals with an average of 20+ years industry experience and involvement within the Western United States. We serve a variety of both public and private clients in the educational, medical, legal, construction, real estate, and manufacturing sectors. We pride ourselves on the fact that our clients have worked with or known the Principals of the firm most of their careers.

Migizi Group personnel include engineers, industrial hygienists, safety professionals, geologists, hazardous material and environmental project managers that are dedicated to assisting the business community and government entities in the management of regulated materials. Migizi Group has established and executed the mission of working with our customers to balance cost with customer risk management objectives. By utilizing speed, intensity, and responsiveness, our services will provide maximum value with output matched to customer needs.

Migizi Group is well versed in the construction process and well qualified to manage the regulated material aspect of large and small construction projects from initial inspection surveys through development of construction specifications and bidding to final closeout submittals. Migizi Group personnel have provided these regulated material consulting services repeatedly to the United States Army Corp of Engineers (USACE), Joint Base Lewis-McChord, Puget Sound Naval Station, Naval Air Station Whidbey Island, Washington State University and multiple public school districts. Migizi Group contracts directly with building owners for specific projects or programs and with design build contractors to provide the needed hazardous material expertise.


Migizi Group principals are industry leaders specializing in industrial, commercial & governmental safety & health, environmental consulting & remediation. The scope of Migizi Group’s services encompasses a wide variety of customer groups, including multi-store retail operations, industrial & manufacturing facilities, public utilities, warehouse & light manufacturing operations, commercial offices, small strip to regional shopping centers, institutional & governmental facilities, lending & mortgage institutions, trust departments, health care facilities, & multi-unit residential sites. Migizi Group’s core services can be grouped into eight categories: Environmental Due Diligence, Indoor Air Quality, Occupational Safety & Health, Facilitiy Services & Remediation, Regulated Building Materials, Civil Engineering, Erosion Control & Geotechnical Engineering.

Geotechnical Engineering

Foundation engineering, CM, landslide and retaining wall engineering, regulatory compliance and other geotechnical services.

Civil Engineering, Stormwater & Erosion Control

Grading, Pavements, Erosion Control, Permitting, Embankment Design & Stormwater Engineering.


ASTM E1527-13 Phase I Environmental Site Assessments (ESAs), Transaction Screens, Confidential Due Diligence, Phase II ESAs, Soil Vapor Evaluation & Sampling.

Facilities Services & Remediation

Construction Monitoring, Soil and Groundwater Remediation, Site Characterization, Groundwater Monitoring, RCRA Facility Closure, Review & Estimating.

Regulated Building Materials

Asbestos, Lead and Other Hazards Survey, Design, and Project Administration, Lead-Paint Management Services including HUD & OSHA Compliance Audits, Hazardous Materials Risk Assessments, Compliance Programs, Training Services, Plans & Training.

Industrial Hygiene

Employee Training & OSHA Exposure Assessments, Risk Assessments, Safety Programs, Construction QA, HAZWOPER Plans, Radiological Safety Plans, DIE IWCP, ISMS & OSHA 851 Matrixes, and Expert Review.

Indoor Air Quality

IAQ Investigations, Consulting, Biological & Non-Biological Particulate Air Sampling, Air Quality Monitoring (Carbon Dioxide, Carbon Monoxide, Temperature & Relative Humidity), Mold Amplification Inspection and Sampling, Remediation Design and Project Administration.


Construction Monitoring (CM), Cross Sonic Logging, Vibration Monitoring, Hydro-Acoustic Monitoring, Constructability Review, Quality Control / Assurance, Fill Control and Testing.

Recent Projects

Port of Bremerton - Facilities & Planning
Facility Decontamination Technical Assistance & Peer Review

Migizi Group provided technical assistance and peer review of a facility decontamination project under agreement with the Port of Bremerton. The decontamination project was being performed in response to chemical residue potentially associated with a historic plating operation at the facility. We reviewed condition assessment reports, developed the post-cleaning acceptance criteria and reviewed cleaning acceptance reports. Other technical assistance included reeving Health and Safety Plans, Site Work Plans, reviewing and summarizing contractor employee exposure monitoring and perimeter monitoring data.



Jason Souza

CEO, Principal Scientist

Doug Henry

President, Principal Scientist

James Brigham

Principal Engineer

Casey Lowe

Principal Engineer

Zach Logan

Staff Geologist

Jessica Bizak

Office Manager

Kyle Long

Senior Technician

Contact & Locations