PPT Slide
Inventories for Persistent By-Products of Industrial and Combustion Processes
Introduction
Basic Concepts
Inventory Compilation
Basic approach
Top down or bottom up?
Setting a baseline
Data handling
Data availability
Dioxin inventories
1995 Air emissions (H Fiedler), g ITEQ/y
UK PCDD/F Emissions - future estimate (post 1996)
% contribution in Austria (PCDD/F)
Germany air emissions PCDD/F g ITEQ/y
Inventory of PCDD/F
US EPA Inventory
US EPA PCDD/F (g ITEQ/y) 1998
Poorly quantified sources
Pointers
Other chemicals
UK PCB releases (1993 base)
UK PAH emissions t/y
Draft Canadian HCB emissions (1998 draft, average)
Conclusions
Conclusions (2)
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