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Toxics Release Inventory

Colbert Fossil Plant

2004 data

All amounts are in pounds.

Chemical
Air1
Water2
Land3
Off-Site
Disposal4
Total
Releases5

Antimony Compounds

0 0 0 0 0

Arsenic Compounds

0 0 0 0 0

Barium Compounds

6,467 2,066 1,630,000 2,000 1,640,533

Beryllium Compounds

0 0 0 0 0

Cadmium Compounds

0 0 0 0 0

Chromium Compounds

326 33 32,300 36 32,695

Cobalt Compounds

0 0 0 0 0

Copper Compounds

227 4,018 28,600 25 32,870

Lead Compounds

220 34 18,210 4 18,468

Manganese Compounds

616 773 80,900 150 82,439

Mercury Compounds

200 0 51 0 251

Nickel Compounds

282 1 20,800 27 21,110

Selenium Compounds

0 0 0 0 0
Silver Compounds 0 0 0 0 0

Thallium Compounds

0 0 0 0 0

Vanadium Compounds

301 7 53,700 57 54,066

Zinc Compounds

1,149 2,053 59,500 44 62,747

Hydrochloric Acid (aerosol)

1,200,006 0 0 0 1,200,006

Hydrogen Fluoride

400,006 0 0 0 400,006

Sulfuric Acid (aerosol)

200,006 0 0 0 200,006

Benzo(g,h,i)perylene

0.1 0.0 0.1 0.0 0.2
Dioxin (grams) 1.62 0.00 0.00 0.00 1.62

Dioxin

0.004 0.000 0.000 0.000 0.004

Polycyclic Aromatic Compounds

22.9 0.0 11.0 0.0 34
Napthalene 47 0 0 0 47

Ammonia

5,562 217 0 0 5,779

Nitrate Compounds

0 0 0 0 0

TOTALS

1,815,438 9,202 1,924,072 2,344 3,751,055

Megawatt-hours generated at this site, 2004

7,376,402

Pounds released per megawatt-hour

0.51

1 “Air” indicates emissions that come out of the stack.

2 “Water” indicates emissions that have been placed in an on-site holding pond and then discharged to the local waterway following all state and local permit requirements.

3 “Land” indicates ash that has been put in ponds or stacked dry in a pile on-site.

4 “Off-site disposal” indicates ash used for such things as driveways and fill for industrial parks.

5 Total 2004 releases represent a decrease of 745,427 pounds from 2003. Releases decreased due to a reduction in the use of eastern coal and a switch to western coals, which have lower concentrations of nearly all reportable chemicals, particularly chlorides. Also less coal was burned.

 

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2003 data

All amounts are in pounds

Chemical
Air1
Water2
Land3
Off-Site
Disposal4
Total
Releases5

Antimony Compounds

0

0

0

0

0

Arsenic Compounds

0

0

0

0

0

Barium Compounds

10,467

1,994

1,440,003

2,610

1,452,610

Beryllium Compounds

0

0

0

0

0

Cadmium Compounds

0

0

0

0

0

Chromium Compounds

690

34

41,100

84

41,884

Cobalt Compounds

0

0

0

0

0

Copper Compounds

427

4,002

35,200

47

39,647

Lead Compounds

808

34.8

28,640.1

47

29,547

Manganese Compounds

1,251

644

96,000

160

98,160

Mercury Compounds

230.1

0

66.2

0.6

296

Nickel Compounds

628

2

36,400

60

37,060

Selenium Compounds

0

0

0

0

0

Thallium Compounds

0

0

0

0

0

Vanadium Compounds

19

7

76,300

110

77,410

Zinc Compounds

2,349

2,041

93,100

120

97,320

Hydrochloric Acid (aerosol)

2,000,006

0

0

0

2,000,000

Hydrogen Fluoride

430,006

0

0

0

430,000

Sulfuric Acid (aerosol)

190,006

0

0

0

190,000

Benzo(g,h,i)perylene

0.1

0

0.1

0

0.2

Dioxin

0.004

0.000

0.000

0.000

0.004

Polycyclic Aromatic Compounds

23.9

0

7.4

0

31.3

Ammonia

0

0

0

0

0

Nitrate Compounds

0

0

0

0

0

TOTALS

2,636,910

8,758

1,846,818

3,238

4,493,965

 

Megawatt-hours generated at this site, 2003

7,697,179

Pounds released per megawatt-hour

0.58

1 “Air” indicates emissions that come out of the stack.

2 “Water” indicates emissions that have been placed in an on-site holding pond and then discharged to the local waterway following all state and local permit requirements.

3 “Land” indicates ash that has been put in ponds or stacked dry in a pile on-site.

4 “Off-site disposal” indicates ash used for such things as driveways and fill for industrial parks.

5 Total 2003 releases represent an increase of 208,337 pounds over 2002. Releases increased primarily because more coal was used and more slag remained onsite. Offsite waste transfers increased because more solid and hazardous waste was shipped offsite for disposal.

 

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2002 data

All amounts are in pounds

Chemical
Air1
Water2
Land3
Off-Site
Disposal4
Total
Releases5
Antimony Compounds        
0
Arsenic Compounds        
0
Barium Compounds
3,461
1,300
1,230,253
234
1,235,249
Beryllium Compounds        
0
Chromium Compounds
345
68
39,258
20
39,691
Cobalt Compounds        
0
Copper Compounds
239
4,023
33,064
 
37,326
Lead Compounds
291
6
28,582
20
28,899
Manganese Compounds
599
1,231
87,398
6
89,234
Mercury Compounds
192
0.03
72
0
265
Nickel Compounds
346
230
36,260
6
36,841
Selenium Compounds        
0
Thallium Compounds        
0
Vanadium Compounds
381
126
74,753
 
75,261
Zinc Compounds
1,326
1,786
92,911
 
96,023
Hydrochloric Acid (aerosol)
3,279,406
     
3,279,406
Hydrogen Fluoride
383,656
     
383,656
Sulfuric Acid (aerosol)
144,716
     
144,716
Benzo(g,h,i)perylene
0.11
 
0.09
 
0.20
Dioxin
0.003
0
0
0
0.003
n-Hexane
288
 
0
 
288
Polycyclic Aromatic Compounds
20.86
 
7.12
 
28
1,2,4-trimethylbenzene
288
     
288
Ammonia        
0
Nitrate Compounds        
0
TOTALS
3,815,554
8,770
1,622,560
286
5,447,170

1 “Air” indicates emissions that come out of the stack.

2 “Water” indicates emissions that have been placed in an on-site holding pond and then discharged to the local waterway following all state and local permit requirements.

3 “Land” indicates ash that has been put in ponds or stacked dry in a pile on-site.

4 “Off-site disposal” indicates ash used for such things as driveways and fill for industrial parks.

5 Total 2002 releases represent a decrease of 2,212,954 pounds from 2001 amounts. The decrease was due to the reduced amount of coal combusted and the switch to western coals, which have lower concentrations of most of these reportable chemicals, particularly chlorides.

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2001 data

All amounts are in pounds

Chemical
Air1
Water2
Land3
Off-Site
Disposal4
Total
Releases
Arsenic Compounds
1,029
227
29,897
0
31,153
Barium Compounds
3,954
1,590
1,009,367
0
1,014,911
Chromium Compounds
780
69
54,982
0
55,832
Cobalt Compounds
446
17
33,368
0
33,831
Copper Compounds
568
1,999
48,113
0
50,680
Lead Compounds
750
21
49,804
1
50,576
Manganese Compounds
1,415
2,110
118,967
0
122,492
Mercury Compounds
257
3
122
16
398
Nickel Compounds
816
227
49,798
0
50,841
Vanadium Compounds
1,718
3
180,021
0
181,742
Zinc Compounds
2,340
1,055
143,324
0
146,719
Hydrochloric Acid (aerosol)
5,495,597
0
0
0
5,495,597
Hydrogen Fluoride
160,906
0
0
0
160,906
Sulfuric Acid (aerosol)
294,537
0
0
0
294,537
Benzo(g,h,i)perylene
0.1
0
0.1
0
0.2
Dioxin (1.7 grams)
0.004
0
0
0
0.004
n-Hexane
510
0
0
0
510
Polycyclic Aromatic Compounds
22
0
8
0
30
1,2,4-trimethylbenzene
510
0
0
2
512
TOTALS
5,966,153
7,321
1,717,772
19
7,691,266

1 “Air” indicates emissions that come out of the stack.

2 “Water” indicates emissions that have been placed in an on-site holding pond and then discharged to the local waterway following all state and local permit requirements.

3“Land” indicates ash that has been put in ponds or stacked dry in a pile on-site.

4“Off-site disposal” indicates ash used for such things as driveways and fill for industrial parks.

 

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2000 data

All amounts are in pounds

Chemical
Air1
Water2
Land3
Off-Site
Disposal4
Total
Releases
Arsenic Compounds 743 257 22,357 0 23,358
Barium Compounds 3,605 1,728 1,401,286 275 1,406,893
Hydrochloric Acid (aerosol) 4,616,329 0 0 0 4,616,329
Chromium Compounds 238 72 42,171 7 42,487
Cobalt Compounds 57 17 28,203 5 28,282
Copper Compounds 248 2,180 37,245 4 39,676
Hydrogen Fluoride 159,506 0 0 0 159,506
Lead Compounds 236 21 43,817 5 44,078
Manganese Compounds 574 2,148 106,063 21 108,806
Mercury Compounds 256 3 85 0.2 345
Nickel Compounds 152 252 37,528 5 37,936
Vanadium Compounds 649 3 146,779 22 147,453
Zinc Compounds 481 1,121 127,033 16 128,650
Sulfuric Acid (aerosol) 479,616 0 0 0 479,616
n-Hexane 510 0 0 0 510
1,2,4-trimethylbenzene 510 0 0 0 510
Benzo(g,h,i)perylene 0.13 0.00 0.10 0.00 0.23
Dioxin (3.24 grams) 0.01 0.00 0.00 0.00 0.01
Polycyclic Aromatic Cmpd. 23 0 8 0 32
TOTALS 5,263,731 7,803 1,992,574 359 7,264,468

1 “Air” indicates emissions that come out of the stack.

2 “Water” indicates emissions that have been placed in an on-site holding pond and then discharged to the local waterway following all state and local permit requirements.

3“Land” indicates ash that has been put in ponds or stacked dry in a pile on-site.

4“Off-site disposal” indicates ash used for such things as driveways and fill for industrial parks.

 

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1999 data

All amounts are in pounds

Chemical
Air1
Water2
Land3
Off-Site
Disposal4
Total
Releases
Arsenic compounds
458
165
20,934
1
21,558
Barium compounds
3,513
1,082
1,318,889
480
1,323,964
Beryllium compounds
0
0
0
0
0
Chromium compounds
323
22
38,855
11
39,211
Cobalt compounds
124
74
25,982
8
26,188
Copper compounds
301
2,023
34,343
6
36,673
Hydrochloric acid (aerosol)
4,305,047
0
0
0
4,305,047
Hydrogen fluoride
154,775
0
0
0
154,775
Lead compounds
238
41
40,534
7
40,820
Manganese compounds
1,247
4,345
99,692
35
105,319
Nickel compounds
281
201
34,353
9
34,844
Selenium compounds
0
0
0
0
0
Sulfuric acid (aerosol)
487,210
0
0
0
487,210
Zinc compounds
426
2,074
116,450
25
118,975
n-Hexane
510
0
0
0
510
1,2,4-Trimethylbenzene
510
0
0
0
510
Total
4,954,963
10,027
1,730,032
582
6,695,604

1 “Air” indicates emissions that come out of the stack.

2 “Water” indicates emissions that have been placed in an on-site holding pond and then discharged to the local waterway following all state and local permit requirements.

3“Land” indicates ash that has been put in ponds or stacked dry in a pile on-site.

4“Off-site disposal” indicates ash used for such things as driveways and fill for industrial parks.

 

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1998 data

All amounts are in pounds

Chemical
Air
Water
Land
Total
On-Site1
Off-Site
Disposal
Total  
Releases2
Arsenic
compounds
734 0 30,678 31,412 2 31,414
Barium compounds 2,863 37,334 901,091 941,288 671 941,959
Hydrochloric acid
(aerosol)
2,675,442 0 0 2,675,442 0 2,675,442
Chromium
compounds
480 17 56,329 56,826 33 56,859
Cobalt compounds 171 53 33,228 33,452 21 33,473
Copper compounds 450 127 50,269 50,846 19 50,865
Hydrogen fluoride 169,454 0 0 169,454 0 169,454
Lead compounds 306 34 48,092 48,432 18 48,450
Manganese
compounds
1,422 2,528 118,705 122,655 91 122,746

Nickel compounds

582 146 50,794 51,522 26 51,548
Zinc compounds 516 999 137,039 138,554 65 138,619
Sulfuric acid
(aerosol)
504,891 0 0 504,891 0 504,891
N-hexane 510 0 0 510 0 510
1,2,4-
trimethylbenzene
510 0 0 510 0 510
Total 3,358,331 41,238 1,426,225 4,825,794 946 4,826,740

1. Total on-site releases is the sum of all air, water, and land releases.

2. Total releases is the sum of total on-site releases and off-site disposal.

 

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Megawatt-hours generated at this site, 2004

7,376,402

Pounds released per megawatt-hour

0.51

1 “Air” indicates emissions that come out of the stack.

2 “Water” indicates emissions that have been placed in an on-site holding pond and then discharged to the local waterway following all state and local permit requirements.

3 “Land” indicates ash that has been put in ponds or stacked dry in a pile on-site.

4 “Off-site disposal” indicates ash used for such things as driveways and fill for industrial parks.

5 Total 2004 releases represent a decrease of 745,427 pounds from 2003. Releases decreased due to a reduction in the use of eastern coal and a switch to western coals, which have lower concentrations of nearly all reportable chemicals, particularly chlorides. Also less coal was burned.

 

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2003 data

All amounts are in pounds

Chemical
Air1
Water2
Land3
Off-Site
Disposal4
Total
Releases5

Antimony Compounds

0

0

0

0

0

Arsenic Compounds

0

0

0

0

0

Barium Compounds

10,467

1,994

1,440,003

2,610

1,452,610

Beryllium Compounds

0

0

0

0

0

Cadmium Compounds

0

0

0

0

0

Chromium Compounds

690

34

41,100

84

41,884

Cobalt Compounds

0

0

0

0

0

Copper Compounds

427

4,002

35,200

47

39,647

Lead Compounds

808

34.8

28,640.1

47

29,547

Manganese Compounds

1,251

644

96,000

160

98,160

Mercury Compounds

230.1

0

66.2

0.6

296

Nickel Compounds

628

2

36,400

60

37,060

Selenium Compounds

0

0

0

0

0

Thallium Compounds

0

0

0

0

0

Vanadium Compounds

19

7

76,300

110

77,410

Zinc Compounds

2,349

2,041

93,100

120

97,320

Hydrochloric Acid (aerosol)

2,000,006

0

0

0

2,000,000

Hydrogen Fluoride

430,006

0

0

0

430,000

Sulfuric Acid (aerosol)

190,006

0

0

0

190,000

Benzo(g,h,i)perylene

0.1

0

0.1

0

0.2

Dioxin

0.004

0.000

0.000

0.000

0.004

Polycyclic Aromatic Compounds

23.9

0

7.4

0

31.3

Ammonia

0

0

0

0

0

Nitrate Compounds

0

0

0

0

0

TOTALS

2,636,910

8,758

1,846,818

3,238

4,493,965

 

Megawatt-hours generated at this site, 2003

7,697,179

Pounds released per megawatt-hour

0.58

1 “Air” indicates emissions that come out of the stack.

2 “Water” indicates emissions that have been placed in an on-site holding pond and then discharged to the local waterway following all state and local permit requirements.

3 “Land” indicates ash that has been put in ponds or stacked dry in a pile on-site.

4 “Off-site disposal” indicates ash used for such things as driveways and fill for industrial parks.

5 Total 2003 releases represent an increase of 208,337 pounds over 2002. Releases increased primarily because more coal was used and more slag remained onsite. Offsite waste transfers increased because more solid and hazardous waste was shipped offsite for disposal.

 

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2002 data

All amounts are in pounds

Chemical
Air1
Water2
Land3
Off-Site
Disposal4
Total
Releases5
Antimony Compounds        
0
Arsenic Compounds        
0
Barium Compounds
3,461
1,300
1,230,253
234
1,235,249
Beryllium Compounds        
0
Chromium Compounds
345
68
39,258
20
39,691
Cobalt Compounds        
0
Copper Compounds
239
4,023
33,064
 
37,326
Lead Compounds
291
6
28,582
20
28,899
Manganese Compounds
599
1,231
87,398
6
89,234
Mercury Compounds
192
0.03
72
0
265
Nickel Compounds
346
230
36,260
6
36,841
Selenium Compounds        
0
Thallium Compounds        
0
Vanadium Compounds
381
126
74,753
 
75,261
Zinc Compounds
1,326
1,786
92,911
 
96,023
Hydrochloric Acid (aerosol)
3,279,406
     
3,279,406
Hydrogen Fluoride
383,656
     
383,656
Sulfuric Acid (aerosol)
144,716
     
144,716
Benzo(g,h,i)perylene
0.11
 
0.09
 
0.20
Dioxin
0.003
0
0
0
0.003
n-Hexane
288
 
0
 
288
Polycyclic Aromatic Compounds
20.86
 
7.12
 
28
1,2,4-trimethylbenzene
288
     
288
Ammonia        
0
Nitrate Compounds        
0
TOTALS
3,815,554
8,770
1,622,560
286
5,447,170

1 “Air” indicates emissions that come out of the stack.

2 “Water” indicates emissions that have been placed in an on-site holding pond and then discharged to the local waterway following all state and local permit requirements.

3 “Land” indicates ash that has been put in ponds or stacked dry in a pile on-site.

4 “Off-site disposal” indicates ash used for such things as driveways and fill for industrial parks.

5 Total 2002 releases represent a decrease of 2,212,954 pounds from 2001 amounts. The decrease was due to the reduced amount of coal combusted and the switch to western coals, which have lower concentrations of most of these reportable chemicals, particularly chlorides.

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2001 data

All amounts are in pounds

Chemical
Air1
Water2
Land3
Off-Site
Disposal4
Total
Releases
Arsenic Compounds
1,029
227
29,897
0
31,153
Barium Compounds
3,954
1,590
1,009,367
0
1,014,911
Chromium Compounds
780
69
54,982
0
55,832
Cobalt Compounds
446
17
33,368
0
33,831
Copper Compounds
568
1,999
48,113
0
50,680
Lead Compounds
750
21
49,804
1
50,576
Manganese Compounds
1,415
2,110
118,967
0
122,492
Mercury Compounds
257
3
122
16
398
Nickel Compounds
816
227
49,798
0
50,841
Vanadium Compounds
1,718
3
180,021
0
181,742
Zinc Compounds
2,340
1,055
143,324
0
146,719
Hydrochloric Acid (aerosol)
5,495,597
0
0
0
5,495,597
Hydrogen Fluoride
160,906
0
0
0
160,906
Sulfuric Acid (aerosol)
294,537
0
0
0
294,537
Benzo(g,h,i)perylene
0.1
0
0.1
0
0.2
Dioxin (1.7 grams)
0.004
0
0
0
0.004
n-Hexane
510
0
0
0
510
Polycyclic Aromatic Compounds
22
0
8
0
30
1,2,4-trimethylbenzene
510
0
0
2
512
TOTALS
5,966,153
7,321
1,717,772
19
7,691,266

 

1 “Air” indicates emissions that come out of the stack.

2 “Water” indicates emissions that have been placed in an on-site holding pond and then discharged to the local waterway following all state and local permit requirements.

3“Land” indicates ash that has been put in ponds or stacked dry in a pile on-site.

4“Off-site disposal” indicates ash used for such things as driveways and fill for industrial parks.

 

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2000 data

All amounts are in pounds

Chemical
Air1
Water2
Land3
Off-Site
Disposal4
Total
Releases
Arsenic Compounds 743 257 22,357 0 23,358
Barium Compounds 3,605 1,728 1,401,286 275 1,406,893
Hydrochloric Acid (aerosol) 4,616,329 0 0 0 4,616,329
Chromium Compounds 238 72 42,171 7 42,487
Cobalt Compounds 57 17 28,203 5 28,282
Copper Compounds 248 2,180 37,245 4 39,676
Hydrogen Fluoride 159,506 0 0 0 159,506
Lead Compounds 236 21 43,817 5 44,078
Manganese Compounds 574 2,148 106,063 21 108,806
Mercury Compounds 256 3 85 0.2 345
Nickel Compounds 152 252 37,528 5 37,936
Vanadium Compounds 649 3 146,779 22 147,453
Zinc Compounds 481 1,121 127,033 16 128,650
Sulfuric Acid (aerosol) 479,616 0 0 0 479,616
n-Hexane 510 0 0 0 510
1,2,4-trimethylbenzene 510 0 0 0 510
Benzo(g,h,i)perylene 0.13 0.00 0.10 0.00 0.23
Dioxin (3.24 grams) 0.01 0.00 0.00 0.00 0.01
Polycyclic Aromatic Cmpd. 23 0 8 0 32
TOTALS 5,263,731 7,803 1,992,574 359 7,264,468

 

1 “Air” indicates emissions that come out of the stack.

2 “Water” indicates emissions that have been placed in an on-site holding pond and then discharged to the local waterway following all state and local permit requirements.

3“Land” indicates ash that has been put in ponds or stacked dry in a pile on-site.

4“Off-site disposal” indicates ash used for such things as driveways and fill for industrial parks.

 

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1999 data

All amounts are in pounds

Chemical
Air1
Water2
Land3
Off-Site
Disposal4
Total
Releases
Arsenic compounds
458
165
20,934
1
21,558
Barium compounds
3,513
1,082
1,318,889
480
1,323,964
Beryllium compounds
0
0
0
0
0
Chromium compounds
323
22
38,855
11
39,211
Cobalt compounds
124
74
25,982
8
26,188
Copper compounds
301
2,023
34,343
6
36,673
Hydrochloric acid (aerosol)
4,305,047
0
0
0
4,305,047
Hydrogen fluoride
154,775
0
0
0
154,775
Lead compounds
238
41
40,534
7
40,820
Manganese compounds
1,247
4,345
99,692
35
105,319
Nickel compounds
281
201
34,353
9
34,844
Selenium compounds
0
0
0
0
0
Sulfuric acid (aerosol)
487,210
0
0
0
487,210
Zinc compounds
426
2,074
116,450
25
118,975
n-Hexane
510
0
0
0
510
1,2,4-Trimethylbenzene
510
0
0
0
510
Total
4,954,963
10,027
1,730,032
582
6,695,604

 

1 “Air” indicates emissions that come out of the stack.

2 “Water” indicates emissions that have been placed in an on-site holding pond and then discharged to the local waterway following all state and local permit requirements.

3“Land” indicates ash that has been put in ponds or stacked dry in a pile on-site.

4“Off-site disposal” indicates ash used for such things as driveways and fill for industrial parks.

 

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1998 data

All amounts are in pounds

Chemical
Air
Water
Land
Total
On-Site1
Off-Site
Disposal
Total  
Releases2
Arsenic
compounds
734 0 30,678 31,412 2 31,414
Barium compounds 2,863 37,334 901,091 941,288 671 941,959
Hydrochloric acid
(aerosol)
2,675,442 0 0 2,675,442 0 2,675,442
Chromium
compounds
480 17 56,329 56,826 33 56,859
Cobalt compounds 171 53 33,228 33,452 21 33,473
Copper compounds 450 127 50,269 50,846 19 50,865
Hydrogen fluoride 169,454 0 0 169,454 0 169,454
Lead compounds 306 34 48,092 48,432 18 48,450
Manganese
compounds
1,422 2,528 118,705 122,655 91 122,746

Nickel compounds

582 146 50,794 51,522 26 51,548
Zinc compounds 516 999 137,039 138,554 65 138,619
Sulfuric acid
(aerosol)
504,891 0 0 504,891 0 504,891
N-hexane 510 0 0 510 0 510
1,2,4-
trimethylbenzene
510 0 0 510 0 510
Total 3,358,331 41,238 1,426,225 4,825,794 946 4,826,740

 

1. Total on-site releases is the sum of all air, water, and land releases.

2. Total releases is the sum of total on-site releases and off-site disposal.

 

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