Standard Operating Procedure for Verification of Equipment Cleaning Before Use in Gel Manufacturing
| Department | Gel Manufacturing |
|---|---|
| SOP No. | SOP/GM/134/2025 |
| Supersedes | SOP/GM/134/2022 |
| Page No. | Page 1 of 9 |
| Issue Date | 09/06/2025 |
| Effective Date | 11/06/2025 |
| Review Date | 09/06/2027 |
1. Purpose
To define the procedure for verifying the cleanliness of manufacturing equipment before use in gel production, ensuring that cross-contamination and microbial risks are prevented.
2. Scope
This SOP applies to all manufacturing equipment used in the Gel Manufacturing
Department, including mixing vessels, transfer lines, and packaging equipment.
3. Responsibilities
- Production Operator: Ensures visual cleanliness and initiates cleaning verification request.
- Quality Assurance Officer: Performs verification and authorizes equipment use.
- Manufacturing Supervisor: Coordinates the cleaning process and ensures adherence to SOP.
4. Accountability
Head – Quality Assurance and Head – Manufacturing
5. Procedure
5.1 Visual Inspection by Operator
- Inspect equipment for visible residues, stains, or foreign particles.
- Check hard-to-reach areas such as gaskets, nozzles, and agitator shafts.
- Complete operator checklist and notify QA for verification.
5.2 Quality Assurance Verification
- QA personnel to conduct independent visual inspection under adequate lighting.
- Perform swab sampling from product contact surfaces for microbiological and chemical residue testing (if applicable).
- Review last product manufactured and ensure compatibility or requirement of product changeover cleaning.
5.3 Documentation of Verification
- Complete the Equipment Cleaning Verification Form – Annexure-1.
- Record observations, swab results (if any), date, and authorization for use.
- Attach the verification form with the batch production record (BPR).
5.4 Handling Non-Compliant Equipment
- If cleaning is inadequate, mark equipment as “Not Cleaned” and return for re-cleaning.
- Document deviation and investigate the cause if repeated failures occur.
5.5 Re-Use Time Limits
- If the equipment remains unused for more than 72 hours after verification, re-verification is mandatory before use.
6. Abbreviations
- BPR: Batch Production Record
- QA: Quality Assurance
- SOP: Standard Operating Procedure
7. Documents
- Equipment Cleaning Verification Form – Annexure-1
- Equipment Cleaning Logbook
- Swab Test Report (if applicable)
8. References
- WHO TRS 986 Annex 2 – Cleaning Validation
- Schedule M – Good Manufacturing Practices
- 21 CFR Part 211 – cGMP for Finished Pharmaceuticals
9. SOP Version
Version: 2.0
10. Approval Section
| Prepared By | Checked By | Approved By | |
|---|---|---|---|
| Signature | |||
| Date | |||
| Name | |||
| Designation | Jr. Production Chemist | QA Executive | Head – Manufacturing |
| Department | Gel Manufacturing | Quality Assurance | Manufacturing |
11. Annexures
Annexure-1: Equipment Cleaning Verification Form
| Equipment Name | |
|---|---|
| Equipment ID | |
| Cleaning Type | Product Changeover / Campaign |
| Last Product Manufactured | |
| Visual Inspection Date | |
| Swab Test Conducted | Yes / No |
| Swab Test Result | Pass / Fail |
| Verified By (QA) | |
| Date of Verification | |
| Status | Authorized for Use / Re-cleaning Required |
Revision History
| Revision Date | Revision No. | Change Description | Reason | Approved By |
|---|---|---|---|---|
| 05/06/2022 | 1.0 | Initial Issue | New SOP | QA Head |
| 09/06/2025 | 2.0 | Included swab sampling and re-verification time limits | Annual Review | QA Head |