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Scenario · Environmental Monitoring and Field Services

Resample the stormwater exceedance and monitor the Windsor bores

You are an environmental technician in Environmental Monitoring and Field Services.

Intermediate4 to 5 hours8 tasks
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Home/Scenarios/Resample the stormwater exceedance and monitor the Windsor bores
The situation

What has happened

Stormwater discharge point 2 at Eastern Creek returned 64 milligrams per litre of total suspended solids against a licence limit of 50 on 1 September. The licence requires a resample within seven days and a report to the regulator if the exceedance is confirmed. The same run must cover the two Windsor groundwater bores MW-2 and MW-3 that are due for their six-monthly sampling under the licence. The sampling plan requires a field duplicate and a rinsate blank on the run. Rain is forecast for Tuesday afternoon. The multi-parameter meter was last calibrated on Friday and the pH buffer expiry needs checking. Callum Reid wants everything in the register the same day.

Your brief. Plan and complete the sampling run for the stormwater resample and the two groundwater bores, calibrate and record field instruments, collect the samples and quality control samples to the procedure, complete the chain of custody, enter the samples in the register and escalate the exceedance correctly if it repeats.
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Tasks

Deliverables

  • Run plan and journey plan
  • Field sheets with calibration and field parameters
  • Completed chain of custody form
  • Sample and monitoring register entries
  • Note to the managers on the exceedance follow-up

Documents to use

Systems to use

Environmental Sample and Monitoring Register

Tracks every field sample, windrow temperature record and monitoring result from collection to reported result and compliance check.

Incident, Hazard and Environmental Event Register

Logs injuries, near misses, hazards, fires, spills, odour events, complaints and licence exceedances with severity, actions and closure.

For trainers and assessors

Units of competency

Current on training.gov.au for the Sustainability as at 10 September 2026.

MSS024030Perform sampling and testing of water
MSS024025Work and communicate effectively as an environmental technician
MSS024026Apply environmental management procedures
MSS024027Participate in environmental field work
MSS025034Collect and evaluate groundwater data

Qualifications

MSS40222Certificate IV in Environmental Monitoring and Technology
Assessor notes

What to look for

Evidence guide

Evidence must show the run planned against the licence requirements, calibration recorded before sampling, field parameters recorded before samples were taken, correct purge and sampling of the bores, quality control samples included with blind identifiers and a chain of custody that is complete and legible. The register entries must be made on the day and the exceedance escalation must follow the procedure.

The student's evidence summary lists every record they created or changed in the systems named above, their notes and the tasks they ticked. Verify it against the deliverables and your own assessment tool.