Multi-disciplined solutions for any environmental issue

Simplicity
We make complex environmental issues easily understandable
Communication
Visual communication takes place through pictures, graphs and charts
Efficiency
Efficiency is about subtracting the obvious and adding the meaningful
OUR Services
  • Indoor Air Quality/Industrial Hygiene
    • COVID-19 Environmental Testing and Remediation
    • Fire Impact Assessments
    • Mold Assessments
    • Microbial Investigations (bacteria/viruses)
    • Lead Paint Testing
    • Asbestos testing and monitoring
    • Indoor Air Quality (VOCs, Dust, Mites)
    • Silica Air Monitoring
    • Water Intrusion Work Plans including Source Identification
    • Water Intrusion and Mold Clearance Reports (PRVs)
  • Environmental Impact Statements/Environmental Assessment (EIS/EA)
    • Hawaii Chapter 343 Environmental Assessments (EA)
    • National Environmental Policy Act (NEPA EA/EIS)
    • Feasibility Studies and Plan Formulation
    • Integrated Natural Resources Management Plans
    • Biological Assessments
    • Coral Resource Management and Mitigation Plans
  • Human Health & Ecological Risk Assesment
    • Human Health Risk Assessment
    • Bioavailability Testing
    • Toxicological Studies
    • Litigation Support
    • Agency Negotiation
    • Risk Communication & Community Relations
    • Risk-Based Site Investigations
  • Other
    • Due Diligence: Phase 1 and Phase 2 Environmental Site Assessments
    • Air Modeling and Permitting
    • Environmental Permitting (NPDES, SWMP, SPCC, SWPCP, SMA, CUP)
    • Environmental Remediation
    • Stockpile Characterizations
    • Environmental Hazard Evaluations (EHE)/EHMP
    • UST and AST Investigations and Closures
Clients
American Savings Bank
  • Indoor Air Quality Testing
  • Mold Testing
  • Asbestos Testing
  • Lead Paint Testing
  • Water Intrusion Assessments
US Army Corp of Engineers
  • Feasibility Studies
  • NEPA EIS
  • Site Characterization
  • Human Health Risk Assessment
  • Mitigation Plans
PVT Land Company
  • Air Dispersion Modeling
  • Human Health Risk Assessment
  • Risk Communication & Community Relations

Marcus & Associates
  • Phase I and 2 Environmental Site Assessments
  • Environmental Remediation
  • Mold Assessments
James Campbell Company
  • Env. Remediation
  • Env. Monitoring
  • Env. Compliance
  • EHE/EHMP
  • Regulatory Interface
NAN Inc.
  • Qualified Environmental Consulting Services
  • Stockpile Sampling
  • Site Characterization
  • Contaminated Soil Management Plans
  • Waste Characterization
GDDesign Architects
  • Hazardous Materials Surveys
  • Risk Management Plans
  • Soil Characterization
  • Contaminated Soil Management Plans

KYA Design Group
  • Hazardous Materials Surveys
  • Risk Management Plans
  • Soil Characterization
  • Contaminated Soil Management Plans

President, Principal Scientist

Principal Technical Advisor
David Miyamoto, P.E.

Principal Environmental/Civil Engineer
Gabrielle Sumner, B.S.

COO/Geologist
Staff
Vincent Yanagita, B.S.

Principal Scientist
Mack Hironaka

Environmental Scientist
Christopher Corpus, B.S.

Environmental Scientist
Liz Polson

Environmental Scientist
Milton Yoshimoto, B.A.

Principal - Federal Programs
Lori Schmidt, B.A.

Information Technology - Human Resources
Helena DiLisa, M.A.

Environmental Scientist/Industrial Hygienist

About ERA
Established in 2006 in Honolulu, Hawai'i, ERA is a self-certified Economically Disadvantaged Woman Owned Small Business (EDWOSB) and a U.S. Small Business Administration (SBA) 8(a) Business Development program participant. ERA staff consist of professionals knowledgeable in biology, engineering, industrial hygiene, environmental planning, and geology. We are are proud to offer Hawaii's only consulting Ph.D. toxicologist knowledgeable in all aspects of chemical and biological exposures. Services provided by ERA include:

  • Comprehensive hazardous materials surveys and consulting
  • Mold and water intrusion testing and remediation
  • Phase 1,2 and 3 Site assessments
  • Feasibility studies
  • Human health and ecological risk assessments
  • Initial site selection and Environmental Impact Statements (EA/EIS)
  • Public consultation,
  • Environmental permitting (e.g., NPDES, Solid Waste Management Plan, etc.)
  • Regulatory reviews
  • EHE/EHMP
  • Environmental remediation
  • Operations and maintenance plans
  • Monitoring and environmental audits
  • Site decommissioning
  • Remediation and reclamation
  • Stormwater monitoring plans
  • Contaminated Soil Management Plans

We are dedicated to ensuring that our clients needs are met, and have demonstrated this through the successful completion of thousands of projects for private industry, city and county governments, the State of Hawai'i, and federal government entities. Our goal is to perform our work on-time and on-budget with principle, integrity and a commitment to excellence.

Contact Us
Environmental Risk Analysis
905A Makahiki Way
Honolulu, Hawaii 96826
rachelokoji@enviroriskhawaii.com (808) 783-6840
russellokoji@enviroriskhawaii.com (808) 425-0968

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