Toolkit for Identification and Quantification of Releases of Dioxins, Furans and Other Unintentional POPs
PART III Annexes
Annex 3 Questionnaires
This annex presents sample questionnaires, which can be used to collect information necessary to compile national inventories.
It is particularly practical and appropriate to use individual plant questionnaires to gather information on large point sources. This includes information needed for classification of plants, selection of the appropriate emission factors, and the associated activity rates to calculate emissions.
Since the return rate of the questionnaires is likely to be low, incomplete information-data gaps- will need to be covered by making assumptions about certain source groups, where no specific information can be collected. Approaches will vary, but all assumptions should be clearly described in order to facilitate inventory updates in the following years or revisions in light of improved information.
To determine complete activity rates, a combination of questionnaires (for large point sources) and national statistics should be used.
Sample questionnaires are provided also to facilitate data gathering for entire source groups such as transport or open burning. These questionnaires may be used to assist in the data collection process, but they will most likely need to be complemented by additional information sources. Questionnaires should be accompanied by a cover letter explaining the purpose and context of data gathering, as well as the contact information, reference year, and return date for the questionnaire.