| Hettige, Hemamala, Paul Martin, Manjula Singh, and David Wheeler, "The Industrial Pollution Projection System", World Bank Policy Research Working Paper Number 1431, March 1995. Database Description: The Economics of Industrial Pollution Control Research Project at the World Bank has developed a database and approach to estimating the amount of industrial pollution and cost of abatement based on easily obtainable indicators of industry scale. This system, called the Industrial Pollution Projection System (IPPS), has been used in a number of World Bank projects as well as by universities and research groups in other parts of the world. Definitions: Source - 1990 Survey of Pollution Abatement Costs and Expenditures, U.S. Department of Commerce, Bureau of the Census, Center for Economic Studies Conventional Water Pollutants Non-Conventional Water Pollutants Toxic Metals/Toxic Inorganic Compounds Toxic Organic Conventional Water Pollutants - Total Suspended Solids (TSS)
- Biological Oxygen Demand (BOD)
- Oil and Grease
Non-Conventional Water Pollutants - Aluminum (Al)
- Ammonia (NH3)
- Iron (Fe)
- Barium (Be)
- Boron (Bo)
- Chlorine (Cl)
- Cobalt (Co)
- Fluoride (Fl)
- Manganese (Mn)
- Phosphorous (Ph)
- Sulphur Hydrogen Sulphide (S-H)
- Titanium (Ti)
- Chemical Oxygen Demand (COD)

Toxic Metals/Toxic Inorganic Compounds - Antimony (An)
- Arsenic (An)
- Asbestos (As)
- Beryllium
- Cadmium (Cd)
- Chromium (Cr)
- Copper (Cu)
- Cyanide (Sn)
- Lead (Pb)
- Mercury (Me)
- Nickel (Ni)
- Thallium (Th)
- Zinc (Zn)
Toxic Organic - Benzene
- Chloroethane
- Chloromethane
- Toluene
- Zylene

: The list of pollutants is not exclusive. : 5-day : Additional pollutants can be included as designated by the EPA and the Clean Water Act.
Additional Information: Data for 2 and 3 digit ISIC code values for intensities based on employment, total value of output, and value added. IPPS coefficients, pounds of pollution, by US industrial code (SIC) These are the tables contained within the files:
- Toxic Pollution Intensity by Medium with respect to Employment
(pollution/'000 Employees) - Toxic Pollution Intensity by Medium with respect to Total Value of Output
(pollution/1987 US $ Million) - Toxic Pollution Intensity by Medium with respect to Value Added
(pollution/1987 US $ Million) - Toxic Metal Pollution Intensity by Medium with respect to Employment
(pollution/'000 Employees) - Toxic Metal Pollution Intensity by Medium with respect to Value of Output
(pollution/1987 US $ Million) - Toxic Metal Pollution Intensity by Medium with respect to Value Added
(pollution/1987 US $ Million) - Air Pollution Intensities with respect to Employment: Lower Bound Intensity Estimates (pollution/'000 Employees)
- Air Pollution Intensities with respect to Total Value of Output: Lower Bound Intensity Estimates (pollution/1987 US $ Million)
- Air Pollution Intensities with respect to Value Added: Lower Bound Intensity Estimates (pollution/1987 US $ Million)
- Air Pollution Intensities with respect to Employment: Inter-Quartile Intensity Estimates (pollution/'000 Employees)
- Air Pollution Intensities with respect to Total Value of Output: Inter-Quartile Intensity Estimates (pollution/1987 US $ Million)
- Air Pollution Intensities with respect to Value Added: Inter-Quartile Intensity Estimates (pollution/1987 US $ Million)
- Water Pollution Intensities with respect to Employment: Inter-Quartile Intensity Estimates (pollution/'000 Employees)
- Water Pollution Intensities with respect to Total Value of Output: Inter-Quartile Intensity Estimates (pollution/1987 US $ Million)
- Water Pollution Intensities with respect to Value Added: Inter-Quartile Intensity Estimates (pollution/1987 US $ Million)
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