Organic water pollutant (BOD) emissions (kg per day) Emissions
of organic water pollutants are measured by biochemical oxygen
demand, which refers to the amount of oxygen that bacteria in
water will consume in breaking down waste. This is a standard
water-treatment test for the presence of organic pollutants.
1998 study by Hemamala Hettige, Muthukumara Mani, and David
Wheeler, "Industrial Pollution in Economic Development: Kuznets
Revisited" (available at www.worldbank.org/nipr). The data were
updated by the World Bank's Development Research Group using the
same methodology as the initial study.