EnviroGroup Limited

EnviroGroup Limited

Air Quality Permitting, Compliance and Optimization Service


The evolving nature of government regulations for air quality and emissions in the United States requires companies to plan for and adhere to comprehensive monitoring, testing, emissions control, record keeping, and reporting requirements. Successfully navigating this complex regulatory environment is a challenge for companies that must ensure compliance while also minimizing operational and financial impacts. Geosyntec's in-depth understanding of regulations and public policy – coupled with our expertise in state-of-the-practice emissions control and monitoring technologies – allow us to provide clients innovative and cost-effective solutions to their compliance challenges.

Geosyntec's air quality practitioners offer clients a broad array of services, including permitting, compliance reporting, and air pollution control technology selection and optimization. Our projects routinely involve minor and major source air permitting, compliance assistance, and regulatory negotiations as well as air pollution control equipment troubleshooting, optimization, and testing.

Geosyntec air practitioners have experience across the United States providing permitting assistance to our clients under federal, state, and local air construction and operating permit programs. We have a proven track-record of crafting strategic approaches to air permitting that often result in the avoidance of major source permitting requirements, like Prevention of Significant Deterioration (PSD) or nonattainment area New Source Review. When avoidance is not an option, our team of air dispersion modelers and control technology experts have the experience necessary to respond to the challenges associated with major source permitting requirements, including performing control technology evaluations (Best Available Control Technology and Lowest Achievable Emission Rate) and ambient air impact analyses (NAAQS, PSD Increment, state Toxic Air Pollutant demonstrations).

Clean Air Act regulations have been a focus area for U.S. EPA's regulatory agenda over the past few years. Without change in this emphasis, CAA regulations will continue to be in flux, with existing rules being revised and new rules being promulgated at a rate that makes compliance all the more challenging. Our air practitioners' experiential understanding of policy, regulation, and drivers results in effective and efficient compliance solutions for our clients.

Working with clients, Geosyntec practitioners provide the necessary framework to implement comprehensive environmental management strategies that allow facilities to meet compliance requirements. Among the compliance programs we have helped design include those governing emission inventory reporting; Title V annual and semi-annual reporting; greenhouse gas (GHG) reporting; and deviation reporting.

Our air practitioners frequently evaluate air pollution control devices and advise clients on potential avenues for optimization that meet emission standards and minimize operational costs. Our project portfolio includes combustion management and tuning for boilers, thermal oxidizers, and other combustion devices. We have expertise in the measurement of complex pollutants such as mercury and sulfur trioxide (SO3) as well as standard control device emission measurements and Environmental Protection Agency (EPA) test methodologies. Geosyntec offers installation of state-of-the-practice hardware and software that utilizes cross-duct laser technology for continuous monitoring of ammonia (NH3), and SO3. We also provide Continuous Emission Monitoring System (CEMS) selection and operational assistance, data management, and equipment maintenance to provide maximum equipment up-time and effective data collection and analysis.

Geosyntec practitioners have expertise in process design as well as air pollution control technology design that enables us to develop strategic approaches to complex, multi-pollutant emission issues. Our process engineering and air pollution control technology experts provide clients with a balanced approach to their plant operations.

Within the electric power industry, Geosyntec practitioners designed strategies that reduced the amount of coal required to produce a kilowatt of energy through improvements in fuel use, waste generation systems, and air pollution controls. Optimization of air pollution controls – such as selective catalytic reduction or thermal oxidizers – can result in substantial fuel savings as well as and improved control device performance.

Geosyntec practitioners frequently collaborate with colleagues at the U.S. EPA, the U.S. Department of Energy, the Electric Power Research Institute, and others on new strategies for reducing impacts to air quality, such as NOx control, mercury capture, scrubber optimization for heavy metals, catalyst selection and optimization, and plume opacity mitigation. Through additional research, our experts have developed emission measurement methodologies that enable pollutant-specific measurements under complex operating conditions.

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