Figure 7 Canadian mercury emissions trend from 1970 to 2007
A
1970-1980: Closure of 10 of 15 mercury cell chlor-alkali facilities
B
1972: Alkali Mercury Liquid Effluent Regulations (Fisheries Act)
C
1975: Closure of the Pinchi Lake primary mercury mine in 1975
D
1978: Chlor-Alkali Mercury National Emissions Standards Regulations (Clean Air Act)
E
1992–1993: Process change by the Hudson Bay Mining & Smelting Co. facility in Flin Flon, Manitoba
F
1996: National Guidelines for the Use of Hazardous and Non-Hazardous Wastes as Supplementary Fuels in Cement Kilns
G
1998: National Emission Guideline for Cement Kilns
1998: Mercury-based pesticide active ingredients no longer registered for use
H
2000: Canada-wide Standards for Mercury Emissions from Incineration and Base Metal Smelting
I
1994–2000: Accelerated Reduction/Elimination of Toxics program
J
2001: Environmental Code of Practice for Integrated Steel Mills and Environmental Code of Practice for Non-Integrated
Steel Mills
2001: Canada-wide Standard for Mercury-Containing Lamps
2001: Canada-wide Standard on Mercury for Dental Amalgam Waste
K
2005: Surface Coating Materials Regulations (Hazardous Products Act)
L
2006: Canada-wide Standards for Mercury Emissions from Coal-Fired Electric Power Generation Plants
2006: Environmental Code of Practice for Base Metals Smelters and Refineries
2006: Notice requiring the preparation and implementation of pollution prevention plans in respect of specified toxic
substances released from base metals smelters and refineries and zinc plants
2006: Cosmetic Ingredient Hotlist (2006) of the Cosmetic Regulations under the Food and Drugs Act
M
2007: Notice requiring the preparation and implementation of pollution prevention plans in respect of mercury releases
from mercury switches in end-of-life vehicles processed by steel mills
N
2010: Notice Requiring the Preparation and Implementation of Pollution Prevention Plans in Respect of Mercury Releases
from Dental Amalgam Waste