| 20-7 continued (3) | ||||
| ¡¡ | ||||
| Sector | COD Removed from Waste Water (ton) |
Ammonia Nitrogen Removed from Waste Water (ton) |
COD Discharge from Waste Water (ton) |
Ammonia Nitrogen Discharge from Waste Water (ton) |
| Storage | 7 | ¡¡ | 2 | 1 |
| Resident Services | ||||
| Geological Prospecting | ¡¡ | ¡¡ | 1 | |
| Business Services | ¡¡ | ¡¡ | ¡ | ¡ |
| Air Transport | ¡¡ | ¡¡ | 4 | ¡ |
| Railway Transport | 79 | 2 | 36 | 3 |
| Other Transport | ¡ | ¡¡ | ¡ | |
| Architectural Decoration | ¡¡ | ¡¡ | ¡ | ¡ |
| Production and Supply of Electric Power and Heat Power | 1621 | 57 | 778 | 45 |
| Recycling and Disposal of Waste | ¡¡ | ¡¡ | 3 | 1 |
| ¡¡ | ¡¡ | ¡¡ | ¡¡ | |
| Manufacture of Artwork and Other Manufacturing | 332 | 5 | 229 | 47 |
| Manufacture of Measuring Instruments and Machinery | 215 | ¡¡ | 2117 | 4 |
| ¡¡for Cultural Activity and Office Work | ¡¡ | ¡¡ | ¡¡ | |
| Production and Supply of Firepower | 3113 | 25 | 4697 | 270 |
| Manufacture of Articles For Culture, Education and Sport Activity | 2 | ¡¡ | 21 | |
| Catering Services | ¡¡ | ¡¡ | 12 | 1 |
| Education | ¡¡ | ¡¡ | 221 | 20 |
| Loading,Unloading,Portage and Other Transport Services | ¡¡ | ¡¡ | 24 | 7 |
| Transport via Pipeline | ¡¡ | ¡¡ | ¡¡ | |
| Architectural Installlation | ¡¡ | ¡¡ | ¡¡ | |
| Constuction of Building and Civil Engineering | ¡¡ | ¡¡ | 2 | ¡ |
| Production and Supply of Water | 4 | ¡¡ | 76 | 5 |
| Production and Supply of Gas | ¡¡ | ¡¡ | 128 | 35 |
| Manufacture of Communication Equipment, Computers | 1056 | 7 | 1076 | 26 |
| ¡¡and Other Electronic Equipment | ¡¡ | ¡¡ | ¡¡ | |
| Manufacture of Electrical Machinery and Equipment | 330 | 20 | 634 | 25 |
| Manufacture of Transport Equipment | 2096 | 733 | 939 | 29 |
| Manufacture of Special Purpose Machinery | 5067 | 80 | 1162 | 56 |
| Manufacture of Cement | 125 | ¡¡ | 269 | 18 |
| Manufacture of Nonª²metallic Mineral Products | 2822 | 72 | 1464 | 87 |
| Social Security | ¡¡ | ¡¡ | 5 | ¡¡ |
| ¡¡ | ||||