Visit the EST Associates home pageLearn about our Safety, Quality, and Reliability!


EST is committed to the health and safety of our employees, our subcontractors, the public and our environment. We conduct our work in accordance with a detailed Corporate Health and Safety Program (HASP) and site-specific health and safety plans. Since the company's inception EST has maintained an exemplary safety record.

Below are some of the safety programs and certifications that EST has been active with in recent years:

  • Employee Health at Work Program
  • 40-Hour HAZWOPPER
  • 8-Hour Annual Refreshers
  • 10-hour Construction Safety
  • Confined Space Entry
  • CPR/First Aid
  • Approved Pacific Industrial Contractor Screening (PICS) Contractor
  • Exxon Mobil Loss Prevention System (LPS)
  • Shell API — Service Station Contractor Safety Program
  • Amtrak Contractor Safety Awareness Training
  • Sunoco-Transportation Worker Identification Credentials (TWIC)


    At EST we understand the importance of quality in the execution of our work. Quality is the foundation upon which EST's reputation has been built, and we are constantly striving to improve the quality of our management systems, our training programs, and our field services. EST complies with established protocols and procedures in the execution of our work. In addition, we prepare, review and adhere to detailed Quality Assurance/Quality Control (QA/QC) programs to ensure that our work is executed according to the highest industry standards.


    At EST we believe that reliability is the foundation of any successful business. From the top down and the bottom up, we strive to be reliable in all aspects of our work. That means making all reasonable efforts to stay on schedule and on budget, performing our work in a safe, reliable manner, and returning phone calls or emails promptly to address client problems or concerns. We have worked hard to ingrain this attribute into our company culture, and we are always open to feedback from our clients. We hope all of this will allow EST to remain one of the most dependable and reliable environmental service companies in the industry.


    Sampling & Monitoring

    Groundwater Sampling

    Wastewater Sampling

    Permit Management

    Stormwater Sampling

    Soil Sampling

    Surface Water & Sediment Sampling

    Soil Vapor Intrusion

    Pipeline Services

    Flow Monitoring

    CCTV Investigations

    Smoke Testing

    Dye Testing

    Flow Isolation

    Manhole Inspections

    Building Inspections

    Line Acceptance Testing

    Operations & Maintenance

    Groundwater Treatment Systems

    Wastewater Treatment Systems

    Contract/Part-Time Licensed Operators

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