Gradient Consulting, LLC, 33 Shirley Rd, Newport News, VA 23601, US

AH Environmental Consultants offers a wide range of environmental services, including physicochemical processes modeling, full-scale treatability studies, engineering and economic feasibility analysis and documentation as per the guidelines set by the National Environment Protection Agency. It also provides integrated natural resource planning, biological inventories and surveys, endangered species consultation, wetland delineation and restoration, invasive species control and adaptive management. Its additional services include cumulative effects assessment, ecological risk assessment, watershed modeling, assessment and restoration, and coastal zone management. It offers site assessments, hydrogeological investigations, wastewater and storm water management and soil and groundwater remediation. AH Environmental Consultants is located in Newport News, Va.