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EPA's Right-to-Know Program    

APS Toxic Release Inventory Reportable Releases
Four Corners Power Plant - 1998:

  

FOUR CORNERS Power Plant

Total Manufactured

Amount Treated

Amount in Ash Sold

Released to Water

Released to Air

Released to Land

Total Released

Barium

2,700

0

230

.004

1

2,400

2,400

Manganese

380

0

33

.002

.69

350

350

Copper

230

0

20

4

.4

210

220

Lead

200

0

17

.003

.4

180

180

Zinc

170

0

14

2

1

150

150

Hydrofluoric Acid

1,050

940

0

0

110

0

110

Chromium

92

0

8

0

.29

84

84

Hydrochloric Acid

1,700

1,600

0

0

79

0

79

Sulfuric Acid

370

310

0

0

62

0

62

Nickel

56

0

5

.001

.3

51

51

Cobalt

34

0

3

0

.06

31

31

Selenium

30

0

3

0

.78

27

28

Beryllium

28

0

2

0

.01

26

26

Total

7,000

2,900

330

6

258

3,500

3,800

Note: Measured in thousands of pounds/year (rounded to 2 significant figures as required by EPA)

APS Toxic Release Inventory Reportable Releases
Cholla Power Plant - 1998:

  

CHOLLA Power Plant

Total Manufactured

Amount Treated

Amount in Ash Sold

Released to Air

Released to Land

Total Released

Barium

860 0 401 .64 450 450

Hydrochloric Acid

370 150 0 210 0 210

Hydrofluoric Acid

320 131 0 190 0 190

Sulfuric Acid

180 7 0 170 0 170

Manganese

160 0 73 .44 83 84

Copper*

51 0 22 .17 27 28

Nickel

31 0 14 .21 17 17

Chromium

30 0 14 .16 16 17

Lead

27 0 13 .12 14 14

Total

2,030 290 540 580 610 1,200

Note: Measured in thousands of pounds/year (rounded to 2 significant figures as required by EPA)
*1,000 pounds released to water

  

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