Air Quality Services



CB&I's National Air Measurement Group (NAMG) provides stack testing, air monitoring, leak testing (LDAR), permits/auditing and new technologies to help regulated industries meet federal and state air quality compliance requirements. With offices located across the U.S. and a staff of more than 190 personnel, NAMG can provide the expertise of mechanical, chemical, civil and environmental engineers to a wide range of industries in the U.S. and abroad, including coal-fired utilities, iron and steel plants, petroleum processing facilities (wells and refineries), and chemical and pharmaceutical plants, to name a few. 

Leak Detection and Repair (LDAR)

With more than two decades of experience, CB&I provides comprehensive services related to leak detection and repair (LDAR) programs. Our experience includes setting up LDAR programs for chemical and pharmaceutical plants, natural gas processing plants, petroleum refineries and other industries. We customize programs to satisfy clients’ needs and budgets and offer a wide variety of services, including development and implementation of turnkey LDAR programs, emissions calculations and reporting, and full LDAR compliance/efficiency evaluations. 

Ambient and Meteorological Monitoring Services

CB&I offers clients expertise in the development and operation of monitoring programs to measure air toxins and fugitive emissions, specialized monitoring for non-criteria pollutants, and monitoring for prevention of significant deterioration (PSD) purposes. Over the past 30 years, our staff has designed more than 800 air monitoring stations and provided operational support for more than 400 monitoring stations. 

Continuous Emissions Monitoring Systems (CEMS)

CB&I offers comprehensive continuous emissions monitoring systems (CEMS) and solutions designed to meet the needs of clients nationwide. With each system, we can provide engineering, design, integration, installation, startup support, initial calibration and certification testing, upgrades, repairs, replacements, customized reporting and emergency response. CEMS applications include monitoring of NOx, SO2, CO, CO2, O2, Hg, TRS, VOC, NMOC, NH3, HCL, moisture, opacity, volumetric flow and particulate mass flow. COM maintenance and calibration include, but are not limited to, TRI, USI, Durag, Monitor Labs, Lear Siegler and API monitors. 

Stack Testing Services

CB&I's dedicated staff of engineers, scientists and technicians have been offering comprehensive emissions testing, analysis and reporting services to commercial and government customers since 1971. Stack testing services offer experienced personnel, industry-recognized testing equipment and dual-system mobile laboratories to ensure our customer's compliance with U.S. EPA, as well as state and local, air quality requirements. Testing is performed on furnaces, boilers, incinerators, SCRs, turbines, flares/thermo oxidizers, cat crackers, tail gas incinerators, wet gas scrubbers, fuel gas systems and process vents. Industry groups served include utilities, refineries, chemical/petrochemical, pulp & paper, automotive, food service, metals/mining, wastewater treatment, and general manufacturing. 

Integrated Emissions Solutions (IES)

Our IES group employs existing technologies and/or develops new technologies to provide clients with cost-effective solutions for meeting air, water and soil compliance requirements. The IES team uses an integrated approach by (1) drawing on the expertise of a strategic mix of qualified personnel; (2) using proven, EPA-recognized methods and technologies; and (3) performing testing and analysis of proposed methods in both bench-scale and full-scale field trials under a wide range of process conditions.

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