Category Archives: News Articles
Vapor Intrusion Mitigation Using HDD
DTD crews recently completed the installation of a horizontal SVE in Northern CA. The well is part remediation well and…
DTD Acquired by Ellingson
DTD is pleased to announce our acquisition by Ellingson. All of DTD’s management and staff are making the figurative move…
Minimizing Trenching using HDD at a Houston Superfund Site
DTD has finished installing a total of 21 conveyance lines at an active Superfund site in Houston, Texas. The source…
Discrete Soil Sampling Using HDD
DTD Crews recently completed a unique site characterization project. Field work involved the use of horizontal directional drilling (HDD) for…
Dual Purpose Horizontal Well
In December 2018, DTD installed a dual purpose horizontal well as part of a remediation pilot test at a chemical…
Coal Ash Basin Dewatering Presentation
Later this week, DTD Vice President, David Bardsley, will present a case study on Coal Ash Basin Dewatering. He will…
Horizontal SVE Wells in California
A DTD crew recently completed the installation of nine (9) horizontal remediation wells at a site in coastal California. The…
Remediation Journal article on HRX® well
The autumn issue of Remediation includes a comprehensive article on the HRX® Well installation that DTD assisted with this summer….
Arcadis/DTD Team Completed Prototype HRX Well Installation at VAFB
After nearly five years of joint planning, DTD has teamed with the global consulting firm, Arcadis, to install the first…
Horizontal Sub-Slab Depressurization Systems in California
Fugitive emissions are a significant issue in many urban areas where industrial sites are being re-purposed for new uses. As…