B.O.D. load "B.O.D. load" is the total amount of oxygen that, having regard to its B.O.D. concentration, a given amount of effluent can be expected to utilize, during a period of three days and at a temperature of 30 degrees Centigrade, in the process of its biochemical oxidation; PU(A)342/1977 - ENVIRONMENTAL QUALITY (PRESCRIBED PREMISES) (CRUDE PALM-OIL) REGULATIONS, 1977 2. Interpretation.