Oil drum spilling liquid onto the ground.

Hazardous Materials Management

We provide comprehensive hazardous materials services to support site due diligence, regulatory compliance, contaminant characterization, and remediation.

We lead Phase I Environmental Site Assessments and deliver clear, defensible documentation, coordinating with a network of trusted partners to execute field investigation, testing, and remediation. This integrated approach allows us to provide practical, scalable solutions for hazardous material issues ranging from building materials to subsurface contamination and vapor intrusion.

Key Services

  • Site Assessment & Due Diligence

    • Phase I and Phase II Environmental Site Assessments (ESAs)

    • TxDOT Hazardous Materials Initial Site Assessments (ISA)

    • Site Characterization and Conceptual Site Models (CSM)

    • Soil, Groundwater, and Soil Gas Sampling

    • Vapor Intrusion Investigation, Risk Modeling & Mitigation

    • Underground Storage Tank (UST) & Leaking Petroleum Storage Tank Investigation

  • Remediation & Risk Management

    • Remedy Selection & Implementation for Soil & Groundwater Contamination

    • In Situ & Ex Situ Remediation Technologies (e.g., ISCO, SVE, ZVI, GAC)

    • Long-Term Monitoring & Optimization of Remedial Systems

    • Risk-Based Correct Action Frameworks & Compliance Boundary Establishment

  • Building Hazardous Materials

    • Asbestos & Lead-Based Paint Inspection, Survey & Abatement Oversight

    • Hazardous Building Materials Survey for Demolition/Renovation

  • Why Zara

    • Trusted lead for Phase I ESAs and defensible documentation

    • Coordinated team approach with vetted, nationwide parters

    • Single point of accountability from due diligence through resolution

    • Regulator-aligned deliverables for agency and lender review

    • Practical, solution-oriented approach to managing risk