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Criteria for receiving records of workplace environment measurement equipment calibration and sampling from the company
2026.09.30 11:44
Work environment and musculoskeletal system
Criteria for receiving records of workplace environment measurement equipment calibration and sampling from the company
If you outsource workplace environment measurements to an external agency, it may be unclear whether you need to obtain records for equipment calibration, flow rate verification, or sample collection in addition to the results table. The key point is Distinguishing between statutory result data and quality data for verifying the reliability of measurements It is to do.
short answer
First, secure the result report and result table, and the sample collection date and time, process, hazardous factors, measurer, equipment, flow rates before and after, and specific details A level that can be tracked if necessary Please set the handover criteria as follows.
First, secure the result report and result table, and the sample collection date and time, process, hazardous factors, measurer, equipment, flow rates before and after, and specific details A level that can be tracked if necessary Please set the handover criteria as follows.
📌 First answer: Distinguish between statutory result reports and measurement reliability verification data.
If workplace environment measurements are outsourced to an external agency, what the workplace must prioritize is Workplace environment measurement result report, result table, and data required for follow-up measures On the other hand, there is no single statutory form designated to automatically transfer data such as pump calibration history, sample collection logs, and calibration curves to the workplace in the same format.
However, in cases where there is a significant difference from previous results, exposure limits are exceeded, complaints are filed, re-measurement is under review, or the institution is changed Data that allows tracking of the equipment and conditions under which the measuring agency collected samples It is recommended to include this in the contract and acquisition criteria.
🧭 Dividing the materials into three stages clarifies the handover criteria.
| division | example | Workplace handover criteria |
|---|---|---|
| 1. Legal Results · Essential Operational Data | Result report, result table, measurement date, process/hazardous factor, measurement agency, improvement suggestions | Always secure and preserve |
| 2. Measurement Quality Verification Data | Date and time of sample collection, pump identification information, flow rate before and after measurement, measurer, field conditions | Recommended standards include basic handover upon contract or immediate provision upon request. |
| 3. Internal Quality Control Raw Data | Detailed calibration certificate, calibration curve, analytical instrument raw data, internal quality control records | Request for verification, viewing, or copies when necessary |
🔧 Equipment calibration and flow rate records verify whether they were 'normally managed at the time of measurement'.
The Occupational Safety and Health Act requires workplace environment measurement agencies to meet designation requirements, and the Enforcement Rule mandates that the evaluation of agencies assess equipment ownership and management capabilities, measurement and analysis capabilities, and reliability. The Korea Occupational Safety and Health Agency's evaluation criteria for workplace environment measurement agencies also cover whether sampler flow rates are verified and corrected before and after sampling, as well as whether records related to sample collection are kept, as quality control items.
| Confirmation items | Materials that can be requested from the company | Verification points |
|---|---|---|
| Sampling pump | Equipment number/model, before and after flow rate verification records | Whether to check before and after measurement |
| Sound levels and other measuring instruments | Equipment identification information, calibration/inspection history, or validity verification data | Whether it was in a usable condition on the measurement date |
| Analysis equipment | Analysis Method, Analyst, and Result Tracking Information | How the result was calculated |
| External Analysis | Request Document/Result Linkage Information | Whether the measurement agency's result table and the external analysis results are connected |
| Equipment malfunction | Error, Replacement, and Re-measurement Records | Whether the abnormality affected the result |
🧪 Sampling records must be able to reconstruct the field context of the results.
Sampling records explain field conditions that are difficult to ascertain from the results table alone. At least When, in which process, which hazardous agent, for how long, and under what equipment conditions it was measured It must be linked to the results table.
| Sample collection record | Confirmation questions during handover |
|---|---|
| Date and time of collection | Can the actual measurement time and reporting reference date be verified? |
| Process, Work, and Hazardous Factors | Do the process names in the results table match the actual work? |
| Measurement location/target | Can you verify whether it is an individual or community sample and the reason for its selection? |
| Equipment and flow rate | Are there traces of equipment identification and flow rate verification before and after? |
| Working conditions | Can production volume, equipment operation, ventilation, work methods, etc., be explained as representative? |
| significant | Were work stoppages, equipment replacements, abnormal production, or sample abnormalities recorded? |
📅 The handover point is determined from the contract stage, not after receiving the results sheet.
- Contract and ordering stage — Determine what sample collection and equipment quality data to provide in addition to the results report.
- Before measurement — Provides processes, hazardous factors, working hours, chemicals, previous results, and changes to the organization.
- Immediately after sample collection — Verify the actual measurement date, target process, specific details, and whether there are any equipment abnormalities.
- Upon receiving results — Compare the results table and the sample collection records to see if they indicate the same process or hazardous agent.
- When questions arise — If there are sudden changes, excesses, complaints, or doubts regarding representativeness compared to the previous period, please request verification of detailed raw data.
- When changing institutions — Organize the locations of results, process changes, and key quality data so that the next organization can compare with previous measurement conditions.
🗂️ Workplaces are not required to permanently retain all calibration certificates.
Article 241 of the current Enforcement Rule of the Occupational Safety and Health Act stipulates that documents recording the results of workplace environment measurements must be preserved for 5 years in principle, and for 30 years if they include records of substances designated and notified by the Minister of Employment and Labor.
This should not be immediately expanded to mean that 'workplaces must receive and retain all internal calibration and analysis raw data from measurement agencies for 5 or 30 years.' Workplaces must preserve statutory result data and supporting data that the company is required to manage, while the agency's internal raw data is Contract structure that can be traced and verified if necessary It is realistic to make it.
✅ Vendor Handover Checklist
| Confirmation items | check |
|---|---|
| Result reports and result tables were secured for each measurement round. | □ |
| I checked the sample collection date and the result reporting reference date. | □ |
| The process, hazardous factors, and measurement locations match the actual site. | □ |
| The sampler equipment number and flow rate verification data before and after can be tracked. | □ |
| You can check the measurer, analyst, and the applied measurement and analysis methods. | □ |
| We received unusual circumstances, such as abnormal working conditions or equipment malfunctions. | □ |
| If external analysis was used, the request and result linkage information remains. | □ |
| For items showing a significant difference from previous results, additional detailed data was verified. | □ |
| When changing agencies, previous processes, hazardous factors, and measurement conditions carry over to the next agency. | □ |
| We determined the statutory retention period and the internal file location and access rights. | □ |
❓ FAQ
Q1. Is it mandatory to obtain a calibration certificate every time?
It is difficult to conclude that a workplace must receive the exact same calibration certificate for every measurement. However, it is advisable to establish contractual standards that verify the traceability of equipment management and sample quality, and allow for the request of relevant documentation if a review of result reliability is necessary.
Q2. What should I do if the measurement agency refuses to provide the data, claiming it is internal quality data?
First, secure the legal results and information that the workplace needs to verify, and negotiate regarding internal raw data based on the contractual scope and necessity of provision.
Q3. What needs to be handed over if the organization changes?
First, organize the previous results table, list of processes and hazardous factors, measurement locations and conditions, history of changes to processes, equipment, and materials, history of exceedances and corrective actions, and specific details to be compared in the next measurement.
Q4. If we only have the results table, can't the next institution make a comparison?
It is difficult to identify differences in production volume, work methods, measurement time, and ventilation conditions based solely on the results. It is better to link them to the key conditions necessary for determining representativeness.
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👉 Next step
When switching measurement agencies or renewing annual contracts, check if the structure involves receiving only result sheets. It is recommended to pre-determine the handover list and file locations so that sampling conditions and equipment quality can be tracked if necessary.
Inquire about Work Environment & Health Management Operations →📚 Source and Verification Criteria
- Article 188 of the Enforcement Rules of the Occupational Safety and Health Act — Reporting of Workplace Environment Measurement Results
- Article 241 of the Enforcement Rules of the Occupational Safety and Health Act — Preservation of Documents
- Article 126 of the Industrial Safety and Health Act — Workplace Environment Measurement Agency
- Data related to the evaluation of the Korea Occupational Safety and Health Agency and workplace environment measurement agencies
This document outlines general practical guidelines for receiving results and quality verification data from occupational environment measurement agencies. It does not imply that all raw calibration and analysis data within the agency must be automatically transferred to the workplace. The actual scope of provision may vary depending on statutory documents, the agency's record-keeping obligations, contractual conditions, and the need to verify the reliability of the results. Reference date for verification of laws and official data: September 30, 2026.
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