BIO.06.01officeUnion-wide competence
Purpose and competence
Contamination history ledger is maintained for Contamination ledgers. Its scope follows the office’s mandate: Maintain attributable contamination observations and interventions across mission histories.
A cleaned instrument's earlier exposure disappears during reassignment
Record specification
Custodian and access
Contamination ledgers assessment lead → · Public records access procedureFinding and assessment question
- Instrument
- Contamination history ledger
- Illustrative question
- A cleaned instrument's earlier exposure disappears during reassignment
- Assessable source material
- source observations; equipment lineage; corrective acts