42 Calculating and simulating flood flows, modeling of areas likely to be inundated, and preparing related reports and technical documentation; Consulting services in the field of environmental assessment and planning; Hydrologic and engineering modeling and design of measures to protect areas likely to be inundated by storm-water and flood-waters; Professional consulting services in the fields of engineering, land use planning, surveying, and environmental sciences; Providing hydrological calculations and simulations of flood flows in streams, marshes, and wetlands for scientific research purposes