Introducing Us
Diversified Environmental Field Services (DEFS) is the DBA for Diversified Drilling Inc. to provide complete environmental field services. DEFS has built the company upon over 20 years of experience of its personnel. During this time, we have been supporting many environmental consulting and engineering firms.
Our team is trained, insured, and experienced in meeting
regulatory requirements from DTSC, RWQCB, AQMD, and other
local agencies throughout Southern California. We provide end-
to-end field support for drilling, soil, vapor, and groundwater
investigations and remediation as a subcontractor to address
our clients’ needs.
We are based in Los Angeles County. However, we serve our customers in Orange, Riverside, San Bernardino, Ventura and San Diego Counties.
Environmental field services in a broad range are offered by DEFS as a sub-contractor for engineering and environmental consulting companies in Phase II , Phase III Environmental Site Assessments and soil and groundwater remediation. In addition, we assist our clients with obtaining necessary environmental permits and preparing required reports. Our services including but not limited to Soil Sampling, Groundwater Sampling, Soil Gas Sampling, Remediation Services, Environmental Construction, Direct Push Drilling, Hollow Stem Auger Drilling, Limited Access Drilling plus many other supplementary services. In addition, our services include site visits, documentation and liaison with engineers, builders and government authorities.
At DEFS, we also serve our customers in renting and operating remediation equipments such as HDVPE, Soil Vapor Extraction (SVE), Dual Phase Vapor Extraction (DPVE), Mobile Pilot testing, Water tank and …
DEFS’s personnel are professional and well trained technicians who try to be as a team with their clients to provide the best qualified end results. Above all, we strive to protect the safety of our community and the environment.
Today more than ever, clients demand quick, reliable, and cost-effective results throughout their projects. The breath of DEFS’s technical experience and comprehensive knowledge in Environmental Field methods has enabled the firm to provide cost effective services. We combine our expertise with innovative tools to maximize efficiency in any environment.