Sources

U.S. Data (kg)

Total Atmospheric Emissions2

159,665 (1,4)

143,335 (5)

Total Emissions related to deliberate use of mercury (Hg)

94,361.53

Mercury in chemical production:

Chlorine Production

6,441.0 (1,2,4)

Mercury in products:

Municipal waste combustion

26,852.7 (1,2,4)

 

Sewage Sludge incinerators

907.2 (4)

 

Solid Waste Processing & Transport

14,515.0 (1)

 

Hazardous Waste Incineration

6,441.0 (1,2,4)

 

Medical waste incinerators

14,515.0 (1,2,4)

 

Use of Steel Scrap

10,886.0 (1)

 

Scrap metal recycling

11,340.0 (4)

 

Lamp Breakage

1,360.8 (4)

 

General laboratory activities

997.9 (4)

 

Backyard Burning

105.0 (3)

Total Emissions related to use of raw materials containing trace amounts of Hg

74,752.1 – 75,750.0

Energy production:

Coal-fired electrical generation

46,810.7 (1,2,4)

 

Geothermal power

1,270.1 (4)

 

Petroleum refineries: CCUs, CRUs, SPUs

1,270.1 (4)

 

Industrial boilers

1,905.1 (1,4)

 

Mobile sources – Non-Road

6,168.9 (1,4)

 

Mobile sources – On-Road

4,535.9 (1,4)

 

Residential boilers: oil and coal

3,628.7 (2)

 

Residential heating, distillate oil combustion

1,270.1 (4)

 

Institutional / commercial heating

997.9 (4)

Other:

Portland cement (nonhazardous waste-fired)

1,723.7 (4)

1,814.4 (2)

 

Pulp and paper manufacturing

1,723.7 (4)

1,814.4 (2)

 

Animal cremation

1,542.2 (4)

Total Other

6,168.96 (4)3

9,071.9 (2)

17,509.0 (1)

Sources:

(1) U.S. EPA, Lake Michigan LaMP, April 2000

(2) U.S. EPA, Deposition of Air Pollutants to the Great Waters. Third Report to Congress. June 2000

(3) IAQAB, Progress Report 25 to the International Joint Commission, April, 2000.

(4) BTS Mercury Workgroup, Draft Report Mercury Sources and Regulations, 1999 Update, Nov. 1999.

(5) U.S. EPA, Mercury Study Report to Congress, 1997

Notes:

1Short tons were converted to kilograms.

2The total quantity of atmospheric emissions is not based on the sum of the estimated quantities by sector.

3BTS Mercury workgroup draft report lists the sources under “other” while the other two documents do not.