This document presents a summary of the major release estimation techniques used to estimate non-point emissions to air and water, an overview of OECD country programmes and information on relevant contacts and documentation. It provides a catalogue of available techniques to estimate releases (emissions) from diffuse (non-point) sources, and to summarise the pertinent information needed to apply them.
Read moreThe OECD has been developing practical tools to help member countries implement harmonised PRTRs. This Guidance Document on Elements of a PRTR: PART I provides options for designing a PRTR that meets the needs of the country implementing the PRTR.
Read moreThe Centre for PRTR Data presents PRTR data from OECD countries at one location. Users can create a report of PRTR data according to years, countries, regions, industry sectors, chemicals, types of release sources, and types of releases and transfers.
Read moreA Pollutant Release and Transfer Register (PRTR) is a publicly accessible database or inventory of chemicals or pollutants released to air, water and soil and transferred off-site for treatment. It brings together information about which chemicals are being released, where, how much and by whom.
OECD has played a key role in developing the concept of a PRTR and supported the development and implementation of a PRTR in member countries.
Introduction to PRTRs![]() |
OECD Activities on PRTRs ![]() |
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Publications on PRTRs
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