National Environmental Consulting firm building lifetime relationships with our clients and employees

Using many of our core services, including air quality, biogas and recycling and processing facility engineering, we serve multiple markets from alternative energy to solid waste

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A new approach using prefabricated concrete modules for waste management and recycling facilities

The assembly of prefab units offers numerous layout possibilities that are easy to expand, movable and environmentally friendly.

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LMOP 2011 Project of the Year – Biogas to CNG Vehicle Fuel Project

Our patent-pending biogas conditioning system economically produces biogas-based fuel to power compressed natural gas (CNG) vehicles

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Our Services

From concept to completion, Cornerstone provides a range of specialized services to meet the needs of our clients.
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Air Quality

Achieving compliance cost-effectively, while supporting business operations

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Biogas & Landfill Gas

Experts in collection, control, and beneficial re-use

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Environmental Planning & Compliance

Skilled planning and compliance services over a wide range of industrial and commercial sectors

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Hydrogeology

Setting the stage for effective site investigation, remediation, expansion, or reuse

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Landfill Engineering & Design

Time tested solutions and innovative techniques to enhance environmental performance while improving the bottom line

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Operations & Maintenance

Focusing on efficient, safe, and compliant operations

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Remediation

Practical experience helps clients define exit strategies

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Site and Civil Design

Solutions that are integrated with overall facility design and maximize our clients’ assets

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Transactional Services

Understanding and quantifying project value, risks, and upside potential

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Transfer, Recycling, & Processing Facilities

Maximizing operational and asset efficiency, profitability, safety, and durability

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National Presence

Serving large and small clients across the U.S. from a network of regional offices, we offer perspective and knowledge of local business and regulatory issues, and incorporate successful regional, national, and international solutions.

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Spotlight

Vehicle Fuel for a Green Future

Cornerstone announced the installation of a new BioCNG™ vehicle fuel system at St Landry Parish, LA Solid Waste Disposal Landfill. The Parish recently began fueling vehicles, and will initially use the fuel to power 15 vehicles, including 10 sheriff vehicles.

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