Learn how to write a SOP for Environmental Monitoring in pharmaceutical warehouses to ensure product quality, safety, and compliance with regulatory guideline requirements.
1.0 PURPOSE
To describe the procedure SOP for Environmental Monitoring in warehouse such as temperature, humidity, cleanliness, and other relevant parameters to ensure the storage environment meets regulatory and product-specific requirements.
2.0 SCOPE
This SOP is applicable to all pharmaceutical warehouses storing raw materials, intermediates, and finished products requiring environmental control and monitoring.
3.0 RESPONSIBILITY
3.1 Warehouse Supervisor is responsible to ensure daily environmental monitoring SOP is followed and report deviations to the Quality Assurance (QA) department.
3.2 Quality Assurance (QA) is responsible to review environmental monitoring records and conduct periodic audits and initiate corrective actions when needed.
3.3 Engineering/Maintenance personnel are responsible to maintain and calibrate environmental monitoring instruments.
4.0 ACCOUNTABILITY
4.1 Head of Quality Assurance is accountable to ensure compliance with this SOP and regulatory requirements.
4.2 Head of Quality Assurance is accountable to approve any changes or deviations from this SOP.
5.0 ASSOCIATED DOCUMENTS
5.1 Calibration Records of Environmental Monitoring Devices
5.2 Environmental Monitoring Log Sheet
5.3 Deviation and CAPA Reports
5.4 Warehouse Temperature & Humidity Mapping Report
6.0 PRECAUTIONS
6.1 Ensure monitoring devices are calibrated before use.
6.2 Avoid placing sensors near doors, windows, or heat sources.
6.3 Handle monitoring equipment as per manufacturer’s instructions.
7.0 PROCEDURE
7.1 The following environmental conditions shall be monitored to ensure compliance with storage requirements and regulatory expectations:
7.1.1 Temperature: Warehouse temperature must be maintained within the specified range suitable for the stored materials (e.g., 15–25°C for general storage, 2–8°C for cold storage).
7.1.2 Relative Humidity (RH): RH should be controlled and monitored, typically within 30–70%, depending on the product storage requirements.
7.1.3 Airborne Particles (where applicable): In designated clean areas or controlled environments within the warehouse, monitoring of non-viable airborne particles should be performed according to classification standards.
7.1.4 Pest Control Indicators: Monitoring devices (e.g., rodent traps, insect light traps) should be checked regularly to detect any signs of pest activity.
7.2 Frequency of Monitoring Temperature and Relative Humidity:
7.2.1 Continuous monitoring using automated systems with data loggers and alarms is preferred.
7.2.2 In the absence of automated systems, manual readings should be recorded at least twice daily (e.g., at the beginning and end of the shift).
7.3 Frequency of Monitoring Airborne Particles (where applicable):
7.3.1 Perform monitoring as per validated frequency, typically monthly or quarterly, in alignment with GMP guidelines.
7.4 Pest Control Checks:
7.4.1 Conduct pest control inspections weekly and document findings.
7.4.2 Maintain records of pest control activities performed by authorized personnel or service providers.
7.4.3 All monitoring records should be reviewed regularly by the Quality Assurance department and retained as per document retention policy.
7.5 Identify deviations and initiate CAPA as necessary.
7.6 Define upper and lower specification limits.
7.7 Establish alert levels and corrective measures.
7.8 Maintain records for a minimum of 5 years or as per regulatory requirements.
8.0 ABBREVIATIONS/DEFINITIONS
8.1 SOP: Standard Operating Procedure
8.2 QA: Quality Assurance
8.3 CAPA: Corrective and Preventive Action
8.4 RH: Relative Humidity
8.5 GMP: Good Manufacturing Practices
9.0 ANNEXURES
9.1 Annexure I: Environmental Monitoring Log Sheet
Annexure I: Environmental Monitoring Log Sheet
| Date | Time | Temperature (°C) | Relative Humidity (%) | Location | Recorded By | Checked By | Remarks |
Instructions:
1. Record temperature and humidity at designated times daily.
2. If automated, review data printout or software logs and sign off.
3. Note any deviations and report them immediately per SOP.
9.2 Annexure II: Deviation Reporting Template
Annexure II: Deviation Reporting Template
Deviation Report No.: ____________________________
Date of Occurrence: _____________________________
Reported By: ___________________________________
Department: ____________________________________
Description of Deviation:
Location: ________________________________________
Date and Time of Detection: ________________________
Immediate Action Taken:
Root Cause (if known):
Corrective Action:
Preventive Action:
Reviewed By (QA): ___________________ Date: ____________
Approved By (Department Head): ________ Date: ____________
9.3 Annexure III: Temperature & Humidity Mapping Report Format
Annexure III: Temperature & Humidity Mapping Report Format
Date of Mapping Study: _______________________
Duration of Study: From ________ To ________
Conducted By: _______________________________
Summary:
Objective:
Mapping Conditions:
Target Temp. Range: __________ °C
Target RH Range: __________ %
Instruments Used (Calibrated Data Loggers):
| Device ID | Location Placed | Calibration Due Date |
Results:
| Logger ID | Min Temp (°C) | Max Temp (°C) | Min RH (%) | Max RH (%) | Remarks |
Conclusion:
Recommendations (if any):
Approved By:
Name: ____________________
Designation: _______________
Signature: _________________
Date: _____________________
10. REVISION HISTORY
| Version | Date | Description of Change | Reviewed By | Approved By |
| 1.0 |
Abdus Sobhan Salim is professional experienced pharmacist in pharmaceuticals, author and founder of pharmabossbd.com, the Bangladeshi pharmaceutical blogger since 2019.
