TRINITY offers customized environmental solutions for our clients. Our consulting services range from Phase I Environmental Site Assessments to characterization of soil, groundwater and soil vapor, to site remediation.

Our field services include soil, groundwater and soil vapor assessments, remedial investigations and pilot studies, remedial system design and construction, operations, maintenance, and optimization of all types of remediation systems, and groundwater monitoring and sampling. We also provide expert witness services, regulatory negotiations, environmental compliance assistance, risk assessment services, site closure requests, and State Board Petitions.

TRINITY holds a California General Engineering Contractors License with Hazardous Substances Removal Certificate (A-HAZ No. 913467), and provides construction services including soil and groundwater treatment system construction, aboveground and underground storage tank removal, facilities demolition and remedial excavation.

TRINITY holds a California Well Drillers License (C-57) to provide specialty environmental services associated with conducting soil gas investigations and pressure grout well abandonment services for our closure sites.  In addition, TRINITY holds a California Demolition License (C-21) to provide facilities and building demolition services for abatement, remediation, site development and redevelopment projects.


With all of our services you can expect:

  • Quick response to service needs
  • Safety consciousness and prioritization
  • Honesty, trust and integrity
  • Client focus and commitment
  • Technical competence and accuracy
  • Competitive rates
  • In-depth regulatory knowledge and client advocacy