What does Natural Resource Damage Assessment (NRDA) mean?
Natural resource trustees and potential responsible parties are called upon to participate in a NRDA in order to calculate and assign monetary cost for restoring damage to natural resources that result from discharges of oil to the environment. For oil discharges, NRDAs are conducted under regulations promulgated under the Oil Pollution Act of 1990 (OPA 90). What does oil discharge remediation mean? For oil discharges, remediation means those actions consistent with permanent remedy taken instead of, or in addition to, removal action in order to prevent or minimize the environmental threat so that they do not migrate to cause substantial danger to present or future public health or welfare or the environment. The term includes, but is not limited to, such actions as storage, confinement, perimeter protection using dikes, trenches, or ditches, cleanup of discharged products and associated contaminated materials, recycling or reuse, diversion, destruction, segregation of wastes, dredging