Environmental Services Inc   

1000 W. Wilshire Blvd, suite 340    
Oklahoma City, OK 73116    
Phone: (405) 848-3750    
Fax: (405) 848-5932    
Cell: (405) 229-4070    
Greystone's capabilities include Phase I and II environmental assessments, water and waste water permitting, Underground Storage Tank investigations and closures, soil and groundwater investigations, environmental compliance audits, and environmental permitting. Greystone can perform subsurface drilling, install monitoring wells, and sample soil and groundwater. Greystone's services include surface water and subsurface hydrology, geologic investigations, environmental audits, computer modeling and aquifer simulations. Greystone staff has completed numerous studies of water supplies, water quality and developmental investigations. We have conducted resistivity studies, have been involved with various geophysical and geochemical investigations, and have used remote sensing techniques for geological analysis. Greystone can also provide assistance with the development of Stormwater Pollution Prevention Plans, Spill Prevention plans, Pollution Control plans, and Best Management practices.