Similar deviation curves can come from different events.

Avoid a quick conclusion. Check equipment, preparation, load, route, measurement and handling as separate branches.

Inspection sequence

Build the event timeline; match container ID, plate batch, loading and logger position with stop times.

Decision evidence

  • Event time
  • Branch tested
  • Evidence
  • Finding

Without proof, run a limited corrective trial and monitor it; do not record an assumption as the cause.