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Triad Environmental Solutions, Inc. (TES) was contracted by AECOM, Inc. to provide Triad characterization support for the investigation of potential soil vapor intrusion into a large building (>20 acre) housing an active manufacturing facility in New York state. During 3.5 days of field activities, 109 discrete sub-slab soil vapor sampling points were located, installed, sampled and analyzed on-site in real-time. Using the DSITMS with the Triad approach, numerous sources for potential soil vapor intrusion were identified, mapped and the aerial extent of the sub-slab soil vapor sources were determined. |
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Triad Environmental Solutions, Inc. (TES) was contracted by Arcadis-US, Inc. to provide Triad characterization support for the investigation of a DNAPL source area and associated plume at a former electronic manufacturing facility in Florida. Limited previous data indicated a source near the building and plume extending away from the building. The project was conducted over 22 field days using the membrane interface probe, direct push soil and groundwater sampling and DSITMS performing EPA Method 8265. Over the investigation TES analyzed 913 discrete soil samples and 25 groundwater samples. Using the Triad approach with the MIP and DSITMS, the source and plume were accurately characterized within the time and budget. |
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Triad Environmental Solutions, Inc. (TES) was contracted by Arcadis-US, Inc. to provide Triad characterization support for the investigation of a DNAPL source area and associated plume at a former metals manufacturing facility in Michigan. Limited previous data indicated a source near the former buildings and plume extending away from the manufacturing area. The project was conducted over 11 field days using direct push soil and groundwater sampling and DSITMS performing EPA Method 8265. Groundwater was sampled to depths of over 90 ft BGS. Over the investigation TES performed over 400 discrete soil and groundwater analyses. The data was used in real-time to determine sampling locations (plan view and depth). |
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Triad Environmental Solutions, Inc. (TES) was contracted by Arcadis-US, Inc. to provide Triad characterization support for the investigation of a natural gas condensate (NGC) release at a Natural Gas Compressor plant in southern Texas. Over a three day field deployment, TES analyzed 104 discrete soil samples that allowed the client to delineate the limits of the NGC released at the site. |
 Tri-Corders Environmental, Inc. (TEI) was contracted by General Dynamics Corp. a contractor for Navy South West Division, as part of a team to plan and execute a Triad approach project at SPAWAR Old Town Facility, San Diego, CA. TEI provided support to perform CPT/MIP detection of source and plume TCE contamination. TEI also provided discrete soil and groundwater analysis on-site by US EPA Method 8265. TEI provided the DSITMS analysis and assisted with planning, drafting the dynamic work plan and final reporting. |
 Tri-Corders Environmental, Inc. (TEI) was co-lead contractor to plan and execute a number of Triad approach projects at McGuire AFB, NJ. The other team members for this investigation are Hayworth Engineering Sciences, Panama City, FL and SAIC, Hackensack, NJ. The objective of this investigation was to map the volume and extent of chlorinated solvent in the shallow subsurface at the site. The project involved MIP investigation of the source and high level plume with integrated discrete soil and groundwater sampling using both direct push and sonic drilling techniques for both the source area and high and low level plume. Surface water and sediment sampling were also conducted in a wetlands on site. Discrete soil, sediment, surface water and groundwater were analyzed on-site by US EPA Method 8265 using Tri-Corders DSITMS. TEI provided the DSITMS analysis and assisted with planning, drafting the dynamic work plan and final reporting. |
 Tri-Corders Environmental, Inc. (TEI)was contracted by TNA, Inc. a contractor for US EPA Region 9, as part of a team to plan and execute a Triad approach project at the Pemaco Superfund Site, Maywood, CA. The project was designed to characterize a potential TCE DNAPL source area prior to remediation by SVE and duel phase heating. TEI provided DSITMS detection for the MIP investigation as well as on-site analysis of soil and GW samples by EPA Method 8265. |
 Tri-Corders Environmental, Inc (TEI) was contracted by Shaw Environmental as part of a team to plan and execute a Triad approach project at a site at North Island Naval Air Station, San Diego. The project was designed to characterize a TCE DNAPL source area prior to remediation by enhanced biodegradation. TEI provided DSITMS detection for the MIP investigation as well as on-site analysis of soil and GW samples by EPA Method 8265. |
 Tri-Corders Environmental, Inc. (TEI) was contracted as co-lead contractor to plan and execute a Triad approach project at Fairchild AFB. The other team members for this investigation were Hayworth Engineering Sciences, Panama City, FL and SAIC, Hackensack, NJ. TEI was co-lead with systematic planning, drafting the project work plan, negotiating with regulators and other stakeholders. TEI co-directed field execution and provided a mobile laboratory for on-site EPA Method 8265 analysis of soils and GW. |
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Tri-Corders Environmental, Inc. (TEI) was contracted by Earth Tech, Alexandria, VA as part of a team to plan and execute a Triad approach project at a former US Air Force Plant in Columbus, OH. This site had been transferred to private ownership and was currently used as a freight transit terminal. The project was designed to characterize a TCE DNAPL source area and associated GW plume in shallow soils. Tri-Corders provided on-site analysis of 478 total soil and GW samples by EPA Method 8265 over 10 field days. TEI assisted with the systematic planning and also provided the direct push sampling equipment for this project. |
 Tri-Corders Environmental, Inc. (TEI) was contracted by Malcolm Prinie, Fairlawn, NJ as part of a team to plan and execute a Triad approach project at an ICI glass manufacturing plant in Bayonne, NJ. The project was designed to characterize PCE and carbon tetrachloride contamination in shallow soils as part of a precision excavation at the site. TEI provided on-site analysis of 425 soil samples by EPA Method 8265 over seven field days. |
 Tri-Corders Environmental, Inc. (TEI) was contracted lead contractor to plan and execute a Triad approach project on property optioned by Houston Metro Transit Authority. The scope of work was to investigate soil contamination at the site, provide a detailed cost estimate for cleanup and to negotiate environmental insurance to cover cleanup and property transfer. The project resulted in accurate mapping of subsurface heavy metals and petroleum contamination. The Triad approach data set allowed reduced uncertainty in the cleanup cost estimate and saved over $1,000,000 in the cost of insurance for the project. |
 Tri-Corders (TEI) was contracted by Applied Research Associates, Inc. to co-lead (with ARA) a Triad approach site investigation of this Defense Logistics Agency site. The objective of the investigation was to determine the level of site contamination in preparation for transfer of the site to the City of Lynn Haven, FL. As part of this project, TEI did initial development and validation of a rapid method for screening soils for semi-volatile organic compounds (SVOCs). The project required sampling, analytical screening and confirmatory analysis over the entire 250 acre site. Sample media included soil, groundwater and sediment (marine and freshwater) in upland and wetland environments. Potential contaminants of concern were heavy metals, VOCs and SVOCs. The investigation included field analysis of over 300 VOCs by EPA Method 8265, over 300 metals by EPA Method 6200 and over 150 analyses of SVOCs using a rapid screening DSITMS method. |
 Tri-Corders (TEI) was prime contractor for the project to determine the volume and extent of TCE source and plume under Building 103 at the site. TEI assembled a team that included Hayworth Engineering Science, Applied Research Associates and Bear Environmental to perform this project. TEI drafted the dynamic work plan, negotiated with site regulators, directed and executed the field work and produced the final report. |
 Tri-Corders Environmental, Inc. (TEI) was contracted by Science Applications International Corporation to co-leader of the Triad site characterization of the future building site for the C-17 Hanger. The project was performed as an expedited response when the discovery of contamination interrupted construction of hangers at the site, The project included project planning, regulatory negotiations, and field execution. The project included three weeks of field work. Approximately 400 discreet soil and groundwater samples were analyzed from 78 plan view locations. The entire project was conducted over a five week period from contracting to regulatory acceptance of interim remedial action acceptance. The project allowed construction of the hanger to get back on schedule and it was completed on time. |
 Tri-Corders Environmental, Inc. (TEI) was contacted by Seattle Dist. Corps of Engineers to assist with the investigation of chlorinated solvents in soil and groundwater at a BRAC site in west central VA; the Vent Hill Farm Station a former U.S. Army base. This was limited investigation of a potential chlorinated solvent source area. Previous data indicate a potential source of chlorinated solvent in a very small spatial area. TEI was part of a team with Shaw Environmental, Seattle Dist. and Baltimore Dist COE who planned and executing this project. The project was also used by US EPA Technology Innovation Office as a model case study of the Triad approach to site characterization. TEI provided the DSITMS used to analyze sorbent traps. from MIP sampling in the shallow subsurface. The DSITMS was used to analyze discrete soil and groundwater samples. TEI assisted with the planning and drafting of the dynamic work plan for this effort |
 Triad Environmental Solutions, Inc. (TES) was contracted by SAIC to provide Triad characterization support for the investigation of the Fuel Hydrant System at US Air Force McGuire AFB, NJ. The Hydrant System provides fuel to aircraft parked on the apron at the base. No previous data were available on the system, the investigation was designed to determine if leaks had occurred in the fuel delivery system. The project was conducted over 20 field days using direct push soil and groundwater sampling and DSITMS performing EPA Method 8265. Using the Triad approach, the project identified a number of small petroleum sources associated with the Hydrant System. |
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 Triad Environmental Solutions, Inc. (TES) was contracted by SESCO Group, Indianapolis, IN to provide Triad characterization support for the investigation of DNAPL PCE and the associated plume at a former wholesale dry cleaner site. Limited previous data indicated a source near the former building and plume extending away from the building. The project was conducted over ten field days using direct push soil and groundwater sampling and DSITMS performing EPA Method 8265. Using the Triad approach, the source and plume were accurately characterized within the time and budget.
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