David Clark has not added their employment history.

David Clark has not added their education history.

air quality, baseline studies, electric utilities, environmental assessments, environmental mapping, environmental remediation, environmental sciences, field studies, fisheries, geographic information, geographic information systems, GIS professionals, groundwater contaminants, hazardous waste, hazardous waste management, impact assessments, information systems, interceptors, land development, Land use planning, monitoring systems, natural resources, nuclear waste, pollution control, pollution control systems, pollution monitoring, power plants, recruitment, remediation planning, sediment treatment, sewage, sewage collection, sewage treatment, waste management, waste management programs, waste plants, waste storage, water quality, water quality protection, water resources, water supply