This “Toolkit for
identification and quantification of mercury releases” (Toolkit) is
intended to assist countries to build part their knowledge base
through the development of a mercury inventory that identifies sources of
mercury releases in their country and estimates or quantifies these
Its goal is to guide the inventory makers within a
country through the different techniques and stages of developing the
inventory, by providing a methodology, illustrative examples and extensive
information on mercury release sources. The Toolkit thus facilitates and
reduces the workload in the creation of national or regional mercury
The Toolkit is designed to produce a simple and standardized methodology
and accompanying database to enable assembly of consistent national and
regional mercury inventories.
It comprises a UNEP-recommended procedure for the effective
compilation of source and release inventories of mercury.
Comparable sets of mercury source release data will enhance
international co-operation, discussion, goal-definition and assistance.
Comparable datasets also help to establish a global picture of the scale
of releases, as a step in prioritizing actions to control or reduce
releases, and improves possibilities for enlarging the international
knowledge base on mercury uses and releases.
supplement the Toolkit, a separate Excel spreadsheet is available
electronically, intended to facilitate the calculation of inputs and
outputs of the different source categories.
The Toolkit is considered an
evolving document, which will be updated and revised, as appropriate and
feasible, to take account of emerging information and experience. Input and data from
all regions is therefore very important, in order to provide a broader
base for the different sources of mercury releases and improve the
UNEP Chemicals invites all users of the Toolkit to provide feedback on
all aspects of this product. Users may consult with UNEP Chemicals where
problems with application, interpretation and implementation occur or
where the system does not seem to apply to the situation found in the
are encouraged to use the Toolkit to submit their inventories to UNEP
Chemicals, who will make them publicly available on the mercury programme
Over time, it is hoped to be able to provide, in addition to
national inventories from various regions, a forum for exchange of
information on countries’ experience with inventory development, case
studies, relevant new publications, etc.
The full text of the
toolkit can be downloaded here in English ( Word
(5329 KB) and PDF
(1669 KB), together with the separate Excel spreadsheet).
(Word version - 5,265 KB)
(Word version - 4,346
toolkit - français. Outil
d’identification et de quantification des rejets de mercure
version - 4,982 KB).
toolkit. (Word version - 3,856 KB)
Spanish toolkit - español.
Instrumental para la identificación y cuantificación de liberaciones de
version - 4990 KB).