The Task Exposure Indexv2026.Q3
Occupation · SOC 51-8091.00 · Job Zone 2

AI exposure: Chemical Plant and System Operators

Control or operate entire chemical processes or system of machines.

Reading this score

computed

At 28.1% of weighted task load, Chemical Plant and System Operators sits at the 50th percentile, below the point where a job's centre of gravity has moved. 52.9% of what this role does is untouched, meaning current systems cannot produce that work at all, whatever the commercial incentive.

What holds the line here is embodiment. Across this occupation's 19 tasks it averages 1.95 out of 3, the highest of the five friction dimensions. In plain terms, the work has to happen in physical space. A language model cannot move matter. Until the robotics to do this work is both good enough and cheap enough to deploy widely, capability in software does not reach it.

The most exposed thing this job does is Record operating data, at 73.3%. The least is Defrost frozen valves, at 0.0%. A gap of 73.3% between two parts of the same job is the reason this index publishes at task level. An occupation-wide number would have hidden both.

Within production occupations, this one is more exposed than most. The median across the 107 roles in the group is 16.1%, and only 5 of them score higher than this. Occupational families are not uniform, and the spread inside them is often wider than the gap between them.

What would move this score. Of 19 tasks, 7 are currently banded exposed, 3 assisted and 9 untouched. For that distribution to shift materially would take robotics cheap and reliable enough to deploy at scale, not a better language model. The score is re-computed every quarter against a fresh capability reference, and the change is published rather than quietly applied.

Where the score comes from

judged

Every task is scored through the standardised work activities it maps to. These are this occupation’s averages on the six rubric dimensions. Capability is what AI can do; the other five are what stands in the way.

DimensionMeanScale
Capability1.760-4
Embodiment1.950-3
Presence0.890-3
Accountability0.970-3
Context1.660-3
Verification cost1.470-3

Task by task

19 tasks, O*NET 31.0
TaskExposedAssistedUntouchedImportanceBand
Record operating data, such as process conditions, test results, or instrument readings.73.3%26.7%0.0%4.72exposed
Interpret chemical reactions visible through sight glasses or on television monitors and review laboratory test reports for process adjustments.73.3%26.7%0.0%4.46exposed
Calculate material requirements or yields according to formulas.55.0%20.0%25.0%4.29exposed
Monitor recording instruments, flowmeters, panel lights, or other indicators and listen for warning signals to verify conformity of process conditions.45.0%30.0%25.0%4.84exposed
Notify maintenance, stationary engineering, or other auxiliary personnel to correct equipment malfunctions or to adjust power, steam, water, or air supplies.45.0%30.0%25.0%4.49exposed
Start pumps to wash and rinse reactor vessels, to exhaust gases or vapors, to regulate the flow of oil, steam, air, or perfume to towers, or to add products to converter or blending vessels.33.3%16.7%50.0%4.62exposed
Turn valves to regulate flow of products or byproducts through agitator tanks, storage drums, or neutralizer tanks.33.3%16.7%50.0%4.54exposed
Confer with technical and supervisory personnel to report or resolve conditions affecting safety, efficiency, or product quality.23.3%26.7%50.0%4.58assisted
Direct workers engaged in operating machinery that regulates the flow of materials and products.20.0%30.0%50.0%4.28assisted
Supervise the cleaning of towers, strainers, or spray tips.20.0%30.0%50.0%3.82assisted
Patrol work areas to ensure that solutions in tanks or troughs are not in danger of overflowing.15.0%10.0%75.0%4.66untouched
Gauge tank levels, using calibrated rods.15.0%10.0%75.0%4.27untouched
Inspect operating units, such as towers, soap-spray storage tanks, scrubbers, collectors, or driers to ensure that all are functioning and to maintain maximum efficiency.13.3%11.7%75.0%4.48untouched
Move control settings to make necessary adjustments on equipment units affecting speeds of chemical reactions, quality, or yields.8.3%16.7%75.0%4.77untouched
Control or operate chemical processes or systems of machines, using panelboards, control boards, or semi-automatic equipment.8.3%16.7%75.0%4.68untouched
Regulate or shut down equipment during emergency situations, as directed by supervisory personnel.8.3%16.7%75.0%4.63untouched
Draw samples of products and conduct quality control tests to monitor processing and to ensure that standards are met.5.8%6.7%87.5%4.72untouched
Repair or replace damaged equipment.0.0%0.0%100.0%4.18untouched
Defrost frozen valves, using steam hoses.0.0%0.0%100.0%3.60untouched

Task text and importance ratings sourced from O*NET 31.0. Shares computed. The occupation score is the importance-weighted mean. 1 task(s) lacked a usable O*NET weight and are shown but excluded from the weighting.

Occupations either side of this one

The four closest scores in the same occupational family, then the four closest anywhere in the index.

Read this carefully. Exposure is not displacement. A high score means current AI systems can produce this work, not that anyone will stop paying a person to do it. Adoption depends on economics, regulation and inertia that this index deliberately does not model. How the score is built.

What this means in practice

Most of this work is not reachable by current systems, so the immediate pressure is on the administrative edges of the role rather than its core: the scheduling, the reporting, the written records. That is where time is recovered.