Combining values from the two systems may result in nonconformance with the standard. 2. DEFINITION 2.1 Deleterious Materialâ clay lumps, shale, soft, friable, or laminated particles, vegetable matter, or other objectionable material.3. APPARATUS 3.1 Balance, Class G2 in accordance with Tex-901-K, minimum capacity of 4000 g. 3.2 Drying oven, maintained at 110 Â± 5Â°C (230 Â± 9Â°F).se each system of units separately. Combining values from the two systems may result in nonconformance with the standard. 2. DEFINITION 2.1 Deleterious Materialâ clay lumps, shale, soft, friable, or laminated particles, vegetable matter, or other objectionable material. 3.
Official development assistance. Official development assistance (ODA) is a term coined by the Development Assistance Committee (DAC) of the Organisation for Economic Co-operation and Development (OECD) to measure aid. The DAC first used the term in 1969. It is widely used as an indicator of international aid flow.
Special attention has been given to the official and concessional part of this flow, defined as âofficial development assistanceâ (ODA). The DAC first defined ODA in 1969, and tightened the definition in 1972. ODA is the key measure used in practically all aid targets and assessments of aid performance. Definition of ODA. The DAC defines ODA as âthose flows to countries and territories on the DAC List of ODA Recipients and to multilateral institutions which are: i. provided by official agencies, including state and local governments, or by their executive agencies; and.