The table below shows air emission data as reported to DNR in 2006 by Source Industrial Classification (SIC) code. The four digit SIC is used to indicate the general product generated by a business. The table supplies the SIC, the description of the SIC, the number of companies reporting the emission of the air contaminant in 2006, and the sum of this pollutant for SIC for the reporting companies.
| CODE | NAME | COUNT | SUM LBs | SUM TONs |
|---|---|---|---|---|
| 2431 | Millwork | 2 | 6628 | 3.314 |
| 2434 | Wood kitchen cabinets | 1 | 500 | .25 |
| 2499 | Wood products, nec | 1 | 1775 | .8875 |
| 2511 | Wood household furniture | 1 | 12562 | 6.281 |
| 2521 | Wood office furniture | 1 | 0 | 0 |
| 2541 | Wood partitions and fixtures | 1 | 44 | .022 |
| 2621 | Paper mills | 4 | 20699 | 10.3495 |
| 2657 | Folding paperboard boxes | 1 | 4458 | 2.229 |
| 2752 | Commercial printing, lithographic | 2 | 2212 | 1.106 |
| 2759 | Commercial printing, nec | 3 | 153.049 | .0765245 |
| CODE | NAME | COUNT | SUM LBs | SUM TONs |
| 3089 | Plastics products, nec | 1 | 33750 | 16.875 |
| 3321 | Gray and ductile iron foundries | 1 | 21082 | 10.541 |
| 3411 | Metal cans | 5 | 112344 | 56.172 |
| 3412 | Metal barrels, drums, and pails | 2 | 7616.75 | 3.808375 |
| 3441 | Fabricated structural metal | 2 | 78.3866 | .0391933 |
| 3443 | Fabricated plate work (boiler shops) | 3 | 14179.5 | 7.08975 |
| 3444 | Sheet metalwork | 1 | 12834 | 6.417 |
| 3448 | Prefabricated metal buildings | 1 | 47176 | 23.588 |
| 3449 | Miscellaneous metal work | 1 | 8772 | 4.386 |
| 3469 | Metal stampings, nec | 1 | 0 | 0 |
| CODE | NAME | COUNT | SUM LBs | SUM TONs |
| 3479 | Metal coating and allied services | 1 | 382 | .191 |
| 3494 | Valves and pipe fittings, nec | 1 | 7954.4984 | 3.9772492 |
| 3496 | Misc. fabricated wire products | 1 | 0 | 0 |
| 3499 | Fabricated metal products, nec | 2 | 7101.4 | 3.5507 |
| 3519 | Internal combustion engines, nec | 2 | 22079 | 11.0395 |
| 3523 | Farm machinery and equipment | 1 | 302 | .151 |
| 3524 | Lawn and garden equipment | 1 | 7884 | 3.942 |
| 3531 | Construction machinery | 1 | 9470 | 4.735 |
| 3536 | Hoists, cranes, and monorails | 1 | 258 | .129 |
| 3548 | Welding apparatus | 1 | 1600 | .8 |
| CODE | NAME | COUNT | SUM LBs | SUM TONs |
| 3561 | Pumps and pumping equipment | 1 | 229.53 | .114765 |
| 3567 | Industrial furnaces and ovens | 1 | 8.66 | .00433 |
| 3569 | General industrial machinery, nec | 1 | 2 | .001 |
| 3621 | Motors and generators | 3 | 31736 | 15.868 |
| 3634 | Electric housewares and fans | 1 | 13994 | 6.997 |
| 3644 | Noncurrent-carrying wiring devices | 1 | 2075.71 | 1.037855 |
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