Trusted Environmental Solutions, Nationwide
ASTM-compliant Phase I & II assessments, UST removal, radon mitigation, and full remediation oversight — delivered by Environmental Professionals and Professional Geologists with one-week turnaround.
What We Do
Complete Environmental Solutions
From Phase I due diligence to full remediation oversight — every service your property transaction or investigation needs.
Phase I Site Assessment
ASTM-compliant due diligence assessments with one-week turnaround for lenders and buyers.
Phase II Site Assessment
Custom-tailored subsurface investigations including soil, groundwater, and soil vapor sampling.
UST Removal
Safe excavation, removal, and disposal of underground storage tanks with full regulatory compliance.
Radon Assessment & Mitigation
Radon testing and mitigation system design for residential and commercial properties.
Property Condition Assessments
Comprehensive property evaluations for lenders, investors, and buyers nationwide.
HUD Reporting
Specialized reporting for HUD-financed transactions, meeting all federal requirements.
OER Designations (NYC)
NYC Office of Environmental Remediation E Designation support and compliance.
Mitigation System Design
Custom remediation and mitigation systems tailored to site-specific conditions.
Operation & Maintenance Plans
Ongoing O&M programs for institutional controls and post-remediation compliance.
Why Choose Us
What Sets Tetra Apart
Property owners and lenders across the country rely on Tetra for accurate, timely, and actionable environmental reporting.
Competitive Pricing
Fair, transparent pricing that reflects the actual scope and complexity of your project — not a one-size-fits-all rate.
One-Week Turnaround
Time is critical in any real estate transaction. Our Phase I ESAs are delivered in one week — faster than industry standard.
Certified Professionals
Every assessment is conducted by licensed Environmental Professionals or Professional Geologists to ASTM standards.
Our Work
From the Field
Highlights from ongoing national operations.
Cropsey Avenue Gasoline Station
Former gasoline station with petroleum contamination successfully remediated through NYSDEC-approved solvent injection program.
Brownfield Dry Cleaner Site
Phase I ESA revealed 40 years of dry cleaning operations. Extensive Phase II work documented chlorinated solvent contamination using 10+ borings, monitoring wells, and soil vapor implants.
Industrial Loop Assessment
One-day investigation using monitoring wells and soil vapor probes to determine off-site contamination impact. Result: no further action required.
Where We Operate
Three Regional Offices
With offices on both coasts and in the Midwest, we serve property owners and lenders across the entire United States.
Ready to Start Your Assessment?
Contact us today for a free quote. We typically respond within one business day.