| Version | |
| Download | 49 |
| Total Views | 6 |
| Stock | ∞ |
| File Size | 2232 KB |
| File Type |  |
| Create Date | October 10, 2018 |
| Last Updated | December 14, 2018 |
This best-recommended practice establishes air filtration guidelines for the removal of particulate and gaseous contaminants for the protection and long-term preservation of historical documents and artifacts. The recommendations in this guideline are considered by NAFA to be “best practice” in contrast to “minimum standards” put forth by other organizations. They serve to provide the conscientious Facility Manager with the necessary guidelines to make measurable differences of air quality in his/her building.