Diversified Environmental Field Services offers professional soil testing, soil gas sampling, remediation, and pilot testing to ensure safe environmental practices.

We’re a small, experienced team offering hands-on field support for environmental consultants and engineers across Southern California. Whether it’s soil testing before a construction project or remediation during a cleanup, we show up on time, ready, and with the right tools.

For over 20 years, DEFS has been the go-to partner for accurate pilot testing, dependable soil gas sampling, and trusted field solutions. We don't just send techs we work as part of your team.

Diversified Environmental Field Services offers professional soil testing, soil gas sampling, remediation, and pilot testing to ensure safe environmental practices.

We’re a small, experienced team offering hands-on field support for environmental consultants and engineers across Southern California. Whether it’s soil testing before a construction project or remediation during a cleanup, we show up on time, ready, and with the right tools.

For over 20 years, DEFS has been the go-to partner for accurate pilot testing, dependable soil gas sampling, and trusted field solutions. We don't just send techs we work as part of your team.