Description
Readings from 7 roadside air quality monitors, kept by a council department that no longer exists.
Provenance
Bought as part of a box of disks at an estate sale and donated anonymously. All files were recovered; 48 damaged sectors were rebuilt from redundant data.
Preservation
- Fixity (SHA-256)
b244bb00590771e33fb02f7825dd176904dcbb5def059ad097772b8a4c3893d3- Last verified
- Oct 16, 2026, by Vigil
- Migrated to
- CSV with a data dictionary, with the original files kept
- Copies
- Three, on two kinds of storage, in two cities
- Original carriers
- Kept in cold storage in Vancouver
Access
Free, in the Lazarus reading room in Vancouver and in partner reading rooms.
Reading-room copies are migrated to CSV with a data dictionary, with the original files kept. The recovered files are kept exactly as they were found.
Cite as: Marridge Environmental Health Department, Air quality monitoring, Marridge, 1989–1991 (1989–1991). Lazarus Archive, LZ-14259.