Smith Gardner Inc

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Rooted in decades of excellence

In 1991, Dr. Gregory N. Richardson, P.E., founded G.N. Richardson & Associates, Inc. His mission was simple: To provide specialty engineering and environmental consulting services, focusing on solid, hazardous, and industrial waste management. Over time, the firm grew to provide a complement of environmental services across the United States. Today, President Stacey A. Smith, P.E., remains committed to delivering quality solutions in our focal areas of Resource Management, Recovery, and Remediation. As an employee-owned company based in Raleigh, NC, Smith+Gardner is licensed to provide engineering, geological, and environmental consulting services across the United States. We serve a variety of clients and provide technical assistance to the engineering community nationwide.
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1991

Dr. Gregory N. Richardson, P.E., founded G.N. Richardson & Associates, Inc.

1991

U.S. government promulgates Subtitle D of the Resource Conservation and Recovery Act to address growing concerns regarding non-hazardous wastes.

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1993

Subtitle-D rules of solid waste management become effective.

1996

U.S. EPA finalizes New Source Performance Standards and Existing Source Emission Guidelines for Control of Emissions from Municipal Solid Waste Landfills.

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2001

Firm designs and constructs first Subtitle-D Landfill Closure in NC.

2001

Firm designs/implements the first "Rain Gutter" cap drainage system.

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2003

EPA finalizes National Emissions Standards for Hazardous Air Pollutants for MSW Landfills, adding record keeping and LFG control requirements.

2006

G.N. Richardson & Associates, Inc. changes to Richardson Smith Gardner & Associates, Inc.

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2006

Firm designs the first Gravity Groundwater Intercept System for a landfill expansion.

2006

S+G becomes one of the first firms to become a Chicago Climate Exchange (CCX) Verifier of landfill carbon credits, verifying over 3 million tons of carbon credits.

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2007

NCDEQ Revises C&D Landfill Permitting rules.

2007

NC promulgates the Solid Waste Management Act of 2007.

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2009

S+G co-designed the first Exposed Membrane Landfill Closure (Florida).

2012

Change to Smith Gardner, Inc. This change represented the successful transition of ownership from our founder.

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2012

S+G awarded U.S. EPA Site Refuse Award for SC Superfund Site.

2012

S+G Opens office in Columbia, SC.

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2016

U.S. EPA finalizes New Source Performance Standards and Existing Source Emission Guidelines.

2020

NCDEQ reviews and updates solid waste regulations for transfer stations and MSW and C&D landfills.

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