42 Environmental research services, namely, research and development in the field of energy conservation and monitoring indoor air quality, ambient emission control, and technological research with respect to geographic information systems, electromagnetic fields, weather characterization and meteorological systems for utilities, radon mitigation and life cycle assessment; research, development and consulting services in the fields of natural resources, physical sciences and mathematics; providing information on the environment in the nature of environmental science; technical environmental engineering consulting services featuring project initiation, execution, monitoring, control, and closeout, namely, ecological and environmental modeling, engineering and hydrological design of restoration of stream channels, marshes, estuaries, wetlands and for water quality, engineering and habitat restoration design services in the field of wetland preservation and design and design studies for others in the field of environmental engineering; environmental engineering, testing and inspection services in the fields of environmental compliance and rocket engine and cryogenic tank failures; technical project planning in the fields of engineering, land use planning, surveying, landscape architecture, and environmental sciences; services in connection with the design and specification of systems for improving and protecting the environment from degradation, namely, technical consulting in the field of environmental engineering and environmental assessment and planning; research and development in the fields of special materials for high temperature and pressure and of gaseous mixtures; archaeological exploration and research; toxicology; chemical laboratories; Environmental assessment of water, air, soil, waste, ground, food supplies, energy supplies in the nature of petroleum-based and natural energy resources such as shale, oil, and coal, biological and chemical contaminations, emerging contaminants and other hazardous substances and consulting therewith; exposure and risk assessment, namely, environmental testing and inspection services; scientific consulting services relating to hazardous materials management; engineering services, namely fate and transport modeling