GREENWORLD SECTOR-7 // METRICS // VC-MET-409
ALL SYSTEMS NOMINAL · —
METRICS · CONTAINMENT & SAFETY

Decon Airlock Cycle Compliance

VC-MET-409 — the percentage of decon airlock cycles completing their full validated sequence — a procedural-integrity gate.

Metric ID VC-MET-409 Category Containment & Safety Unit % Type Derived Source CHLORA Sampling per cycle Owner Metrology & Telemetry Standards Rev C · Effective 2089-06-01
Current 100 Nominal 100 per cycle cadence CHLORA

Definition

Decon Airlock Cycle Compliance is the percentage of decontamination-airlock cycles that complete the full validated sequence (dwell, dose, purge) without deviation. It is a procedural-integrity metric, not a sensor reading.

Why it matters

Every short or skipped decon cycle is a potential carry-through of bioburden between zones. Compliance is held at 100 %; any miss is investigated because containment depends on the airlock barrier being absolute.

Formula

Compliance = compliant cycles / total cycles × 100  [%]

A cycle is compliant only if dwell time, agent dose, and
purge each meet validated set-points. Any parameter miss
fails the whole cycle. Target is 100 %.

Inputs

InputDetailSource
DwellValidated contact timeCHLORA
DoseAgent concentration·timePhytoSense Mesh
PurgeClearance to thresholdPhytoSense Mesh

Units & Scale

Percent of cycles, one decimal, per-airlock and facility roll-up. Decreasing-is-worse: any miss matters.

Sampling & Source

Thresholds

Nominal · 100 % — every cycle validated

OK

Warning · < 99 — deviation investigation

WARN

Critical · < 95 — airlock barrier review

CRIT

Zero-tolerance barrier. Because the airlock is a hard barrier between containment zones, any failed cycle is investigated under the procedure-deviation SOP and the airlock may be taken out of service until the cause is closed.

Recent Trend

Zone roll-up, last 14 sampling periods (current 100):

VC-MET-409 · 14-period trend (current 100)

Interpretation Guidance

BandReadingLikely DriverAction
100Fully compliantAll cycles validatedNone.
99–99.9Single missIsolated deviationInvestigate the failed cycle.
95–98.9WARNRepeated missesAirlock review; possible OOS.
< 95CRITBarrier unreliableOut of service; root-cause.
VC-MET-403

Seal Leak Rate

Airlock integrity partner.

 VC-MET-406

Airborne Spore Load

Carry-through consequence.

 VC-MET-401

Containment Integrity Index

Composite.

 VC-MET-303

Alarm Acknowledgement Latency

Response discipline.

Related SOPs