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Minnesota and Wisconsin TRI — High Bridge Generating Plant (St. Paul, MN)

TRI Reportable Releases (pounds); Dioxin reported in grams2

Air

Land/Impoundment1

Water6

Total Releases

Reportable Chemical Name

2005

2006

2005

2006

2005

2006

2005

2006

Barium Compounds5

6,404

7,405

20,608

67,005

0

0

27,012

74,410

Benzo(g,h,i)perylene

0.0

0.0

4.7

29.0

0

0.0

4.7

29.00

Dioxin Compounds3

0.12

0.12

0

0.00

0

0.00

0.12

0.12

Hydrochloric Acid (aerosols)

8,305

8,500

0

0

0

0

8,305

8,500

Hydrogen Fluoride

33,005

27,000

0

0

0

0

33,005

27,000

Lead Compounds

123.2

111.0

741.8

806.7

26.7

389.8

891.7

1,307.5

Mercury Compounds

68.8

72.0

62.6

46.3

0

0.0

131.4

118.3

Polycyclic Aromatic Compounds

0.7

0.6

14.1

93.0

0

0.0

96.3

14.7

Vanadium Compounds

270

-3

695

-

240

-

1,205

-

TOTALS4

48,908

42,088

67,828

21,583

27

390

116,763

64,060

Footnotes:

1. Land releases include disposal on-site, offsite and surface impoundments (ponds).

2.Dioxin release estimates are reported in grams .

3. A blank cell ( - ) indicates a threshold was not exceeded for that year.

4.Total is the sum of all releases (lbs) and Dioxin releases are converted to lbs.

5. Used EPRI particulate phase emission estimation equation.  Made this change foir RY2004 because it incorporate imput parameters that exhibit strong effects on emission levels (i.e. PM, element concentration in coal and ash fraction of coal).

6. Updated water analysis in RY 2006.

 
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