Author Archives: Jacob Gallagher
Horizontal SubSlab SVE Challenges
Ellingson-DTD recently installed a single horizontal subslab SVE well at an active industrial manufacturing facility in the upper Midwest. The…
Double-Ended Sometimes the Only Option
Ellingson-DTD crews recently completed a series of double-ended horizontal Air Sparge (AS and Soil Vapor Extraction (SVE) wells at an…
Virtual Short Course on Remediation
Join Ellingson-DTD, SiREM, Tersus Environmental and Pace Analytical for a half-day virtual short course. We’ll focus on recent technical advances…
Caliche is Hard for HDD
Most people think of shallow soil horizons as being unconsolidated silts and clays, however in some parts of the western…
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…
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…
24″ and 30″ Diameter Pipelines in Permian
DTD crews have recently completed several large diameter pipeline installations for a road crossing in the Permian basin. Meanwhile, similar…
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…