Licensed, Bonded and Certified

Leaaf is a certified Small Entrepreneurship (Hudson Initiative), a Disadvantaged Business Enterprise (DBE) and an Economically Disadvantaged Woman-Owned Small Business (EDWOSB) with the U.S. Small Business Administration. Leaaf’s staff upholds a variety of environmental certifications and participates in safety and quality assurance training with such agencies as the Louisiana Department of Environmental Quality (LDEQ) and the U.S. Environmental Protection Agency (EPA).

  • Economically Disadvantaged Woman-Owned Small Business (EDWOSB)
  • Disadvantaged Business Enterprise (DBE)
  • Louisiana Small Entrepreneurship (Hudson Initiative)
  • Professional Geologists
  • Professional Engineers
  • Asbestos Inspectors, Supervisors and Instructors
  • Lead Inspectors, Risk Assessors and Instructors
  • LDEQ Underground Storage Tank (UST) Workers
  • Naturally Occurring Radioactive Material (NORM) – Inspector
  • Louisiana Licensed Drilling Company
  • Louisiana Licensed Commercial Contractor
    • Specialty (Hazardous Waste Treatment/ Removal
    • Specialty (Install, Repair or Close USTs)
  • RAC (LDEQ Response Action Contractor)
  • Louisiana Solid Waste Transporter License
  • Mold Remediation Contractor
  • Asbestos Abatement Contractor
  • HAZWOPER Worker and Supervisor (29 CFR 1910.120)
  • Transportation Worker Identification Credential (TWIC)
  • Hazardous Materials Transportation (49 CFR 172.704)
  • Hazardous Waste Management (40 CFR 265.16)
  • Lead/Asbestos Awareness Training
  • Radiation Safety Training
  • NEHA Risk Communication Training
  • HAZCOM Training (29 CFR 1900.1200)
  • First Aid and Adult CPR (Red Cross) Trainer
  • Hazardous Materials Transportation (49 CFR 172.704)
  • Construction Safety Supervisor
  • ASTM Phase I and Phase II Environmental Site Assessment Training
  • Certified Environmental Specialist (CES)
  • Mold and Indoor Air Quality Training
  • Groundwater Science Certification (University of Ohio)
  • Quality Project & Program Management, EPA
  • Construction Quality Management for Contractors, USACE
  • EPA Environmental Sampling Protocol
  • EPA Storm Water Runoff Training
  • Quantitative Risk Assessment & Cost Training (Society of Risk Analysis)
Leaaf maintains, at a minimum, the following insurance coverage:

  • Workmen’s Compensation
  • General Liability
  • Professional Liability (with Errors and Omissions)
  • Automobile Liability
  • 541620 – Environmental Consulting Services (Primary)
  • 238910 – Site Preparation Contractors
  • 541330 – Engineering Services
  • 541380 – Testing Laboratories
  • 541690 – Other Scientific and Technical Consulting Services
  • 562111 – Solid Waste Collection
  • 562910 – Remediation Services

Our Services


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Leaaf is the recognized leader in soil, groundwater, and air quality investigations with 100+ years of staff experience.

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