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Check reagent expiry and open-life windows.

Compare planned reagent use with printed expiry, opening time and the applicable in-use rule, keeping other suitability checks separate.

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Illustration of a seal following a reagent container from storage through identity scanning.

You: Can BOT-108 be used in the sequence planned for 9 September at 08:00 UTC?

neil

No under the supplied 48-hour open-life rule. It was opened on 6 September at 14:00 UTC, so open life ends on 8 September at 14:00 UTC—18 hours before the planned use. The printed 30 September expiry does not extend that window.

Open life ends before planned use
Open life ends before planned use. 6 Sep Opened, 8 Sep Limit, 9 Sep Use. Example records.6 SepOpened8 SepLimit9 SepUse

You: What options should the planner see?

neil

Use a suitable replacement with its own valid identity, status and date evidence, or assess a different schedule within all applicable limits. I would not extend the open life to rescue this plan. The sequence's actual duration and every relevant use time still need checking.

You: Write this up for review, with the sources and the follow-up work we need.

neil

Here is the draft. I have kept the supported finding separate from the open questions, and prepared the evidence requests for the responsible roles.

BOT-108 planned-use assessmentReview draft · source evidence and assessment

BOT-108 planned-use assessment

The 48-hour clock starts at 14:00 UTC on 6 September and ends at 14:00 UTC on 8 September. Planned use at 08:00 UTC on 9 September is 18 hours later. Use the configured open-life limit for this comparison, preserving the opening event and rule version. The printed 30 September date does not override that earlier limit.

Source evidence and search scope

BOT-108 (Container opening); RULE-108 (Assigned example rule); SEQ-108 (Planned use)

BOT-108 / Container opening

Recorded evidence
Opened 6 September at 14:00 UTC

RULE-108 / Assigned example rule

Recorded evidence
48-hour open life; printed expiry 30 September

SEQ-108 / Planned use

Recorded evidence
9 September at 08:00 UTC
Inputs needed for your own records
  • Container identity, printed expiry and opening record
  • Assigned in-use rules and storage evidence
  • Planned sequence times and reagent requirements

The laboratory owner confirms the assigned rules, identity and suitability. Passing a date check does not establish quality status or authorise use.

Fictional source snapshots. No live query, assignment or approval.

Follow-up work and evidence requests2 proposed tasks · not assigned

Evidence to request

Find a suitable replacement
Laboratory planner
Check the replacement container's identity, quality scope, quantity, storage and calculated use window against the full sequence.
Verify the date calculation
Laboratory reviewer
Retain the opening timestamp, 48-hour rule and planned-use time in UTC. Confirm any other applicable limit before use.
Example conversation · prepared replies

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What to bring for this job
  • Container identity, printed expiry and opening record
  • Assigned in-use rules and storage evidence
  • Planned sequence times and reagent requirements

Source access, permissions and permitted actions are agreed for your environment.

Source excerpt

BOT-108

Container opening

Recorded evidence
Opened 6 September at 14:00 UTC

Selected fictional record, not a live source-system view.

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