Table 1.
Characteristics of the examined workplaces
| Institution | Room | Cubature (m3) | Average temperature (°C) | Average relative humidity (%) | Total dust concentration (mg/m3) | Rooms description |
|---|---|---|---|---|---|---|
| Museum I | Restoration workshop 1 | 300 |
M: 19.5 SD: 3.8 |
M: 29.0 SD: 3.6 |
M: 0.189 SD: 0.227 |
Washing, drying and preliminary textile repair, no signs of moisture or moulds |
| Restoration workshop 2 | 1200 | Textile repair, no signs of moisture or moulds | ||||
| Warehouse 1 | 1215 | Department of textile technology (“Gateway”)—collects machine (wood, steel) for processing fibres, mainly cotton and linen, no signs of moisture or moulds | ||||
| Warehouse 2 | 456 | Historic fabric warehouse—a collection of materials on wooden and steel shelves, no signs of moisture or moulds | ||||
| Museum II | Warehouse 1 | 281 |
M: 19.0 SD: 1.0 |
M: 41.0 SD: 3.6 |
M: 0.131 SD: 0.030 |
Collection of paintings on gantries, weapons (swords, rifles, pistols), explicit signs of moisture and moulds |
| Warehouse 2 | 220 | Collection of flags, banners gathered in wooden dressers, explicit signs of moisture and moulds | ||||
| Warehouse 3 | 52 | Collection of flags, banners gathered in wooden dressers, explicit signs of moisture and moulds | ||||
| Museum III | Warehouse 1 | 310 |
M: 13.3 SD: 3.1 |
M: 39.7 SD: 4.7 |
M: 0.373 SD: 0.105 |
Furniture warehouse, department of folk art—collection of wooden furniture, sculptures, some signs of moisture on objects and walls |
| Warehouse 2 | 1362 | Section of farm and rural industry—collection of materials such as wood, wicker, iron, derived mostly from the second half of nineteenth and twentieth centuries, no signs of moisture or moulds | ||||
| Warehouse 3 | 60 | Magazine of African cultures—two part room, collection of clothing, masks, weapons, sculptures no signs of moisture or moulds | ||||
| Museum IV | Warehouse 1 | 222 |
M: 22.0 SD: 0.8 |
M: 35.5 SD: 11.1 |
nt | Cabinet of polish prints and drawing, no signs of moisture or moulds |
| Warehouse 2 | 725 | Art warehouse—collection of oil paintings on canvas and board, no signs of moisture or moulds | ||||
| Warehouse 3 | 171 | Mediaeval art restoration workshop—work only with wood, no signs of moisture or moulds | ||||
| Exhibition hall | 3055 | Ancient art gallery—collection of sculptures from this period, no signs of moisture or moulds | ||||
| Archive I | Warehouse 1 | 222 |
M: 22.0 SD: 1.0 |
M: 36.2 SD: 3.2 |
nt | The oldest room gathers records of Łódź since 1884 on metal shelves. The files are packed in protective cartons, no signs of moisture or moulds |
| Warehouse 2 | 236 | Books and map of Łódź and its region, archival photographs, windows in the room are covered in order to reduce exposure of sets, no signs of moisture or moulds | ||||
| Archive II | Warehouse 1 | 405 |
M: 19.3 SD: 1.5 |
M: 31.5 SD: 7.4 |
M: 0.073 SD: 0.011 |
Files, maps and books from nineteenth century factories, court records from nineteenth to twentieth centuries no signs of moisture or moulds |
| Warehouse 2 | 176 | Files maps and books from nineteenth century factories, court records from nineteenth to twentieth centuries no signs of moisture or moulds | ||||
| Library I | Warehouse 1 | 222 |
M: 23 SD: 0.8 |
M: 51.4 SD: 7.4 |
M: 0.158 SD: 0.103 |
Metal shelves with books, room sealed, new plastic window, no signs of moisture or moulds |
| Warehouse 2 | 69 | Basement, wooden bookshelves, lack of ventilation, signs of water damage on the walls, flaky paint, destroyed by moulds book on the floor, no signs of moisture or moulds | ||||
| Library II | Warehouse 1 | 123 | M: 18.5 | M: 27.3 | M: 0.035 | Books from nineteenth to twentieth centuries, no signs of moisture or moulds |
| Warehouse 2 | 138 | SD: 0.7 | SD: 1.0 | SD: 0.006 | Books and periodicals from nineteenth to twentieth centuries, no signs of moisture or moulds | |
| Office rooms in the tested institutions | 52–78 |
M: 21.6 SD: 2.3 |
M: 37.0 SD: 11 |
M: 0.108 SD: 0.049 |
Office equipment, cabinets and shelves for documents, no signs of moisture or moulds | |
M arithmetic mean; SD standard deviation; nt not tested