ERS retains licensed professionals, including, environmental, process, chemical, civil, and geotechnical engineers to design and implement various engineering applications for a variety of clients, including real estate developers, municipalities, ports, gasoline and diesel stations, former/existing power plants, industrial facilities, and mine sites.
Engineering Services
Feasibility Studies, Design, and Procurement
Water and Wastewater Treatment Design:
- Industrial, Municipal, Dewatered Groundwater, Surface
Water, Acid Rock Drainage, Mine Process Water, and Ultrapure
Boiler Water - Contaminants Include TSS, TDS, Metals (Fe, Al, Mn, Mo, Cu,
Cd, Ag, Cr, Ni, Hg, Pb, Sb, Zn), Metalloids (As, Se), Anions
(Sulfate, Chloride), TSS, TDS, Silica, Turbidity, Hardness,
Nutrients (Nitrate, Nitrite, Ammonia/Ammonium, and Phosphate),
BOD, COD, Oil/Grease - Major Technologies: Physical (Settling/Clarification, Depth
Filtration, Membrane Filtration, Solids Stabilization),
Chemical (Oxidation, Precipitation, pH/Eh Control, Coagulation,
Flocculation, Ion Exchange, Electric Deionization, Chemical
Softening), and Biological (Activated Sludge, Aerated Lagoon,
Disinfection, De-chlorination) - Process Engineering/Feasibility Studies, Laboratory and
Numerical Simulations, Pilot Testing, Detailed Design, PFD and
P&ID, AutoCAD Drafting
Soil and Groundwater Remediation:
- In Situ and Ex Situ Contamination Removal, Destruction, and
Confinement - Technologies Practiced: Soil Excavation, Soil Vapor
Extraction, Air/Ozone Sparging, “Pump and Treat” with Carbon
Adsorption, In Situ Oxidation, Reductive De-chlorination,
Monitored Natural Attenuation, Contaminated Soil Encapsulation,
Wetland Sulfate Reduction - Contaminants: Petroleum products (Gasoline, Diesel,
Hydraulic Oil), VOC, SVOC, Chlorinated Solvents (PCE, TCE),
PCB, TOC - Alternative Evaluation, Field Pilot Testing, Detailed
Design, Equipment Procurement, Construction and Installation,
Operation and Maintenance
Water Resources Investigation and Water Supply:
- General Geology and Hydrogeology Evaluation/Water Resource
Planning - Well Design, Installation, and Construction Management
- Hydrogeological Characterization/Pumping Tests, Yield
Analysis, Water Quality Monitoring, Modeling, Aquifer Storage
and Recovery - Well Pump Selection and Sizing, Hydraulic Analysis, and
Piping
Other Engineering Services Practiced:
- Stream and Lake Erosion Control and Storm Water Catch Basin
Design - Geotechnical and Landfill Design
- Dredging and Sediment Management
- Mine Site Reclamation