Thal Dome Toxaemia Monitor

Specialized monitoring instrumentation panel for the Global Chemicals pumping control system, located in the pumping control room and used to track chemical waste diversion operations

2 appearances

Purpose

To display real-time operational data from chemical pumping systems, allowing technicians to monitor pressure, flow rates, and system integrity through visible gauge readouts.

Significance

These indicators serve as the triggering evidence in Elgin’s discovery of Fell’s illegal waste diversion. Their erratic readings expose the discrepancy between stated operations and concealed environmental damage, making them the physical manifestation of falsified records that threaten the mining community.

Appearances in the Narrative

When this object appears and how it's used

2 moments

S10E23 · The Green Death Part 3

Elgin exposes Fell’s unauthorized operation

The control indicators display erratic readings with Tank 2 suddenly full and Tank 1 almost empty, contradicting Fell’s claim of routine cleaning operations. Elgin uses these discrepancies to deduce the unauthorized diversion of chemical waste.

Before: Displaying stable readings consistent with routine operations

After: Showing dynamic fluctuations that reveal covert activity

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S12E12 · Genesis of the Daleks Part 2

Kaled captive reveals suicide weapon to slaves

The rectangular toxaemia monitor on the chamber wall glows with Safe initially; its needle swings rapidly toward Toxic Level as each cylinder passes, alerting everyone to the air’s lethal transformation.

Before: Displaying Safe, but sensor drift visible.

After: Pinned at Toxic Level with shrill alarm pitch rising.

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