geological/Hydrogeological
geotechnical & environmental drilling
civil & environmental Engineering
Asbestos & lead-based paint
Facility Decommissioning
geotechnical & environmental drilling
civil & environmental Engineering
Asbestos & lead-based paint
Facility Decommissioning

Landfill Design, Permitting, Construction and Closure
| Allied Materials Corporation | Stroud, Oklahoma | Design, permitting, construction, closure, and post-closure monitoring of 600,000 cy Subtitle C landfill for disposal of refinery acid sludge and contaminated soil. |
| EMCON (J. I. Case) | Pryor, Oklahoma | Closure construction, certification, and site restoration of 13-acre industrial landfill used for disposal of foundry wastes. |
| Farmland Industries, Inc. | Coffeyville, Kansas | Design, permitting, construction, closure, and post-closure monitoring of 350,000 cy Subtitle C landfill for disposal of sludges and soil from refinery hazardous waste lagoons. |
| The Kerr Group. | Sand Springs, Oklahoma | Design, permit application preparation and submittal, closure construction and certification, and site restoration of two glass waste landfills covering 20 acres. |
| Phibro Resources Corporation | Bartlesville, Oklahoma | Site selection, design, permit application preparation and submittal for 2,000,000 cy Subtitle C industrial waste landfill for disposal of lead and cadmium-contaminated soil and smelter wastes. |
| IMCO Recycling, Inc. | Morgantown, Kentucky | Design, permitting and construction of a 4 million cy Subtitle C industrial landfill (Cell B), in three phases, for the disposal of aluminum smelter waste. |
| Midwest Carbide | Pryor, Oklahoma | Closure of an old landfill located at the Midwest Carbide plant in Pryor, Oklahoma. |
| Waste Management, Inc. | Tulsa, Oklahoma | Subtitle D landfill permitting, permit modifications, new cell design, new cell construction QA/QC services, installation of groundwater monitoring wells, and radiation survey services for landfills located in Oklahoma. |
| Hydrometrics | Tulsa, Oklahoma | Installation of approximately 300,000 square feet of geosynthetic clay liner; anchor trench construction of leachate pipe installation. |
| Sunoco, Inc. | Tulsa, Oklahoma | Turnkey construction for engineering, design, permitting, and construction for capping and containment of an old sludge disposal site at Sunoco Refinery in Tulsa, Oklahoma. |
| Cherokee Nation Landfill | Stillwell, Oklahoma | Design, permitting, and QA/QC construction services for new cell; drilling and installation of groundwater monitoring wells. |
| Aleris International, Inc. | Sapulpa, Oklahoma | Permitting, closure and construction QA/QC services for an industrial landfill. Removal of sediments from a stormwater retention pond. |
| APAC - Oklahoma, Inc. | Tulsa, Oklahoma | C&D landfill permit modification, design, and construction QA/QC services for new cells; drilling and installation of groundwater monitoring wells; and groundwater monitoring and compliance services. |
