DairyFresh: Monitoring Data Without Evaluation
DairyFresh operates a milk-processing plant with a discharge permit limiting COD to 80 mg/l and pH to 6.5-9.0. The wastewater operator has been on sick leave for eight weeks; a temporary contractor runs the plant using the permanent operator's written instructions. Competence records on file cover only the permanent operator, and the contractor received a site induction but no training on the treatment process or spill response. pH and COD are measured daily, but results are logged without any documented evaluation against permit limits; the last six COD results exceed 80 mg/l and no one has flagged this. The pH meter's last calibration was 14 months ago and no calibration interval is defined. An ammonia-leak drill was run in March, but there is no record of what was learned or what was changed. Sludge is removed by an external contractor; the contract is in place, but there is no evidence that transport or disposal is monitored. The most recent management review, nine months ago, did not discuss compliance obligations or the compliance status.
1. Classify the findings: which are nonconformities, which are observations, and which clause(s) apply? Justify whether any finding is major.
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Several findings are nonconformities, and the pattern points to a major failure.
- Competence (7.2): The temporary contractor operates the treatment plant without demonstrated competence. A site induction is not competence for a process affecting permit compliance. This is a nonconformity.
- Monitoring and evaluation (9.1.1): COD and pH are measured but not evaluated against limits. Six exceedances were not identified. This is a nonconformity and is potentially major because the organization is not detecting noncompliance with a permit condition.
- Calibration (7.1.5, linked to 9.1.1): The pH meter was last calibrated 14 months ago and no interval is defined, so the validity of pH results is doubtful. Nonconformity.
- Emergency preparedness (8.2): The drill was run but not evaluated, so learning is absent. This may be a minor nonconformity or observation depending on risk; for ammonia, I would treat it as a nonconformity.
- Outsourced sludge disposal (8.1): The contractor is not monitored. Nonconformity.
- Management review (9.3): Compliance obligations and compliance status were not inputs. Nonconformity.
The combination of uncalibrated measurement, unevaluated exceedances, and an untrained operator is systemic and can lead to undetected permit breach. I would raise a major nonconformity against 9.1.1 with linked findings, rather than several isolated minors.
2. The organization argues that daily monitoring satisfies clause 9.1.1. Assess this argument and explain what 9.1.1 requires.
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Daily measurement is only one element. Clause 9.1.1 requires the organization to monitor, measure, analyse, and evaluate its environmental performance. That means:
- determining what needs monitoring and measurement, with suitable methods and criteria;
- ensuring calibrated or verified equipment is used and maintained;
- analysing results;
- evaluating results against the organization's criteria and compliance obligations;
- communicating results internally and externally as required by its communication process.
DairyFresh is measuring but not analysing or evaluating. A log showing six COD results above 80 mg/l is not performance evaluation if nobody compares the values to the limit, investigates the cause, or triggers action. The pH meter issue further undermines confidence in the data. The argument therefore fails: data collection without evaluation does not meet 9.1.1. The organization also needs 9.1.2 evaluation of compliance, which requires evidence that it evaluates fulfilment of compliance obligations and maintains knowledge and understanding of its compliance status. The management review gap reinforces that the results are not reaching decision-makers.
3. What should the auditor require before accepting that the outsourced sludge contractor is controlled under clause 8.1?
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The auditor should require evidence that the outsourced process is controlled to the extent necessary for the EMS, not merely that a contract exists.
Acceptable evidence would include:
- a contract or agreement that specifies the environmental requirements for sludge handling, transport, and disposal, including the contractor's permits and legal obligations;
- verification that the contractor is competent and authorized to receive and dispose of the waste;
- records of each shipment, such as manifests, transfer notes, receipts, and quantities;
- monitoring or periodic evaluation of the contractor's performance, including site visits or checks of disposal certificates;
- defined responsibilities for approving and reviewing the contractor;
- a process for handling nonconformities or spills involving the contractor;
- evidence that the organization understands the lifecycle implications of the disposal route.
A contract alone does not demonstrate control. The auditor should sample a recent shipment and trace it from pickup to final disposal. If DairyFresh cannot show monitoring, the 8.1 nonconformity stands.