TABLE 1.
Seattle's 10 Highest Toxic Release Inventory Air Pollution Exposure Risk Characterizations in 1990, 2000, 2007 and 1990 to 2007
| Facility Name | Cluster | Pounds | Risk Value $ | Total Risk, % | Cumulative Risk, % |
| 1990 | |||||
| PSF Industries Inc. | 13 | 7205 | 14 958 861.86 | 49.12 | 49.12 |
| American Tar Co. | 5 | 1255 | 11 670 515.74 | 38.33 | 87.45 |
| Boeing Commercial Airplane Plant 2 | 15 | 1 070 553 | 1 739 932.70 | 5.71 | 93.16 |
| Seattle Steel Inc. | 2 | 44 100 | 1 395 724.49 | 4.58 | 97.75 |
| Precision Engineering Inc. | 15 | 250 | 211 857.68 | 0.70 | 98.44 |
| Western Steel Casting Co. | 13 | 1500 | 171 021.64 | 0.56 | 99.00 |
| North Star Casteel Products Inc. | 13 | 1000 | 67 406.67 | 0.22 | 99.23 |
| Northwest Plating Co. | 13 | 37 970 | 48 096.28 | 0.16 | 99.38 |
| Asko Processing Inc. | 5 | 18 134 | 36 669.09 | 0.12 | 99.50 |
| Industrial Plating Corp. | 13 | 27 541 | 35 994.15 | 0.12 | 99.62 |
| Top 10 facility totals | – | 1 209 508 | 30 336 080.32 | 99.62 | 99.62 |
| All facility totals (n = 58) | – | 2 478 741 | 30 451 134.28 | 100.00 | 100.00 |
| 2000 | |||||
| Sound Propeller Services Lake Union | 5 | 500 | 640 879.57 | 74.84 | 74.84 |
| Alaskan Copper Works | 13 | 30 | 86 877.07 | 10.14 | 84.98 |
| Wescor Graphics Corp. | 9 | 18 240 | 63 903.48 | 7.46 | 92.45 |
| Asko Processing Inc. | 5 | 9925 | 24 117.29 | 2.82 | 95.26 |
| Art Brass Plating Inc. | 15 | 17 820 | 22 120.05 | 2.58 | 97.84 |
| Nucor Steel Seattle Inc. | 2 | 45 223 | 7457.97 | 0.87 | 98.72 |
| Equilon Enterprises LLC | 16 | 3003 | 2981.70 | 0.35 | 99.06 |
| Trim Systems | 15 | 7951 | 2322.51 | 0.27 | 99.33 |
| BP West Coast Products | 16 | 4110 | 1447.96 | 0.17 | 99.50 |
| Viox Corp. | 15 | 238 | 791.27 | 0.09 | 99.60 |
| Top 10 facility totals | – | 107 040 | 852 898.87 | 99.60 | 99.60 |
| All facility totals (n = 28) | – | 285 736 | 856 357.67 | 100.00 | 100.00 |
| 2007 | |||||
| Sound Propeller Services South Park | 15 | 1000 | 1 416 190.68 | 95.07 | 95.07 |
| Ash Grove Cement Co. | 13 | 224 | 66 214.38 | 4.45 | 99.52 |
| Equilon Enterprises LLC | 16 | 3755 | 3197.78 | 0.21 | 99.73 |
| BP West Coast Products | 16 | 3506 | 1275.13 | 0.09 | 99.82 |
| Saint-Gobain Containers Inc. | 15 | 411 | 858.71 | 0.06 | 99.87 |
| Nucor Steel Seattle Inc. | 2 | 1908 | 667.14 | 0.04 | 99.92 |
| Rudd Co. Inc. | 2 | 9824 | 362.88 | 0.02 | 99.94 |
| Boeing Commercial Airplane Boeing Field | 15 | 3490 | 329.36 | 0.02 | 99.96 |
| Ballard Brass & Aluminum | 2 | 250 | 119.64 | 0.01 | 99.97 |
| Lafarge North America | 15 | 85 | 112.33 | 0.01 | 99.98 |
| Top Ten Facility Totals | – | 24 453 | 1 489 328.02 | 99.98 | 99.98 |
| All Facility Totals (n = 22) | – | 38 039 | 1 489 595.94 | 100.00 | 100.00 |
| 1990–2007 | |||||
| PSF Industries Inc. | 13 | 15 864 | 35 725 552.16 | 51.15 | 51.15 |
| American Tar Co. | 5 | 1255 | 11 670 515.74 | 16.71 | 67.86 |
| Alaskan Copper Works | 13 | 1570 | 6 521 082.06 | 9.34 | 77.20 |
| Sound Propeller Services Lake Union | 5 | 5792 | 4 951 338.11 | 7.09 | 84.29 |
| Boeing Commercial Airplane Plant 2 | 15 | 2 160 764 | 2 966 704.02 | 4.25 | 88.54 |
| Sound Propeller Services South Park | 15 | 1255 | 2 191 256.74 | 3.14 | 91.68 |
| Seattle Steel Inc. | 2 | 44 100 | 1 395 724.49 | 2.00 | 93.68 |
| Western Steel Casting Co. | 13 | 17 170 | 1 062 167.62 | 1.52 | 95.20 |
| Wescor Graphics Corp. | 9 | 175 830 | 624 489.76 | 0.89 | 96.09 |
| Asko Processing Inc. | 5 | 212 094 | 508 356.23 | 0.73 | 96.82 |
| Top 10 facility totals | – | 2 635 694 | 67 617 186.94 | 96.82 | 96.82 |
| All facility totals(n = 90) | – | 8 793 903 | 69 838 908.46 | 100.00 | 100.00 |
Source: US Environmental Protection Agency Risk Screening Environmental Indicators (RSEI) Version 2.3.41.