Environmental testing, inspection, and analytical services in the nature of air, water, soil, biota, sediment, and chemical testing, inspection, and sampling, for analysis purposes; technical consulting in environmental engineering, and technical consulting for environmental engineering in the field of environmental compliance; scientific modeling, simulation, and analysis of environmental impacts, contamination, and remediation; technical ambient air quality monitoring, industrial source emissions testing, and inspection services being leak detection in pipelines, tanks, factories, and processing plants; scientific laboratory and analytical services for air, water, soil, biota, and sediment in the sectors of power generation, utilities, chemical manufacturing, oil and gas production and distribution, renewable energy, real estate development, manufacturing, and transportation