🧼 SOP for Cleaning and Sanitization of Manufacturing Area
🧼 SOP for Cleaning and Sanitization of Manufacturing Area
1. Introduction
Cleaning and sanitization of manufacturing areas are essential GMP activities to prevent contamination, cross-contamination, and mix-ups during pharmaceutical manufacturing. A validated and well-documented cleaning process ensures product quality, patient safety, and regulatory compliance.
2. Purpose
To define a standardized and detailed procedure for cleaning and sanitization of pharmaceutical manufacturing areas to maintain a hygienic environment and comply with GMP requirements.
3. Scope
This SOP applies to all manufacturing areas including production rooms, corridors, change rooms, and ancillary areas used for pharmaceutical manufacturing activities at the facility.
4. Responsibilities
- Housekeeping Personnel: Perform cleaning and sanitization as per this SOP.
- Production Supervisor: Ensure cleaning is performed correctly and documented.
- Quality Assurance (QA): Review records, monitor compliance, and approve cleaning agents.
- Engineering: Maintain utilities and drainage systems.
5. Definitions
- Cleaning: Removal of visible dirt, dust, residues, and contaminants.
- Sanitization: Reduction of microbial load to acceptable levels.
- Cleaning Agent: Approved chemical used for cleaning.
- Sanitizing Agent: Approved chemical used for microbial control.
6. Detailed Procedure
6.1 Preparation for Cleaning
- Ensure manufacturing activities are completed.
- Remove all materials, documents, and waste from the area.
- Switch off equipment and cover sensitive parts if required.
- Wear appropriate PPE (gloves, mask, cap, gown, and shoe covers).
- Display “AREA UNDER CLEANING” status board.
6.2 Cleaning Agents and Tools
- Use only QA-approved detergents and sanitizing agents.
- Prepare cleaning solutions as per approved concentration.
- Use dedicated, color-coded cleaning tools for each area.
- Do not interchange cleaning tools between different areas.
6.3 Dry Cleaning
- Remove visible dust using lint-free mops or vacuum cleaners.
- Clean ceilings, light fittings, and walls from top to bottom.
- Collect and dispose of waste as per waste disposal SOP.
6.4 Wet Cleaning
- Prepare detergent solution as per specified concentration.
- Clean floors, walls, doors, and work surfaces.
- Use unidirectional wiping from clean to dirty areas.
- Allow sufficient contact time for detergent action.
6.5 Rinsing
- Rinse cleaned surfaces with potable or purified water.
- Ensure removal of detergent residues.
- Prevent water accumulation on floors.
6.6 Sanitization
- Prepare approved sanitizing solution.
- Apply sanitizing agent to all cleaned surfaces.
- Maintain required contact time.
- Do not rinse unless specified.
6.7 Cleaning of Equipment Exterior
- Clean external surfaces of equipment as per equipment SOP.
- Ensure control panels and displays are not damaged.
- Record cleaning activity in equipment logbooks.
6.8 Frequency of Cleaning
- Daily: Floors, work surfaces, and waste bins.
- Weekly: Walls, doors, and ceilings.
- After each batch or product changeover.
- As per cleaning schedule approved by QA.
6.9 Post-Cleaning Activities
- Inspect area for cleanliness.
- Remove “AREA UNDER CLEANING” status board.
- Affix “CLEANED” status label with date and signature.
- Allow area to dry before use.
6.10 Documentation
- Record cleaning activities in cleaning logbooks.
- Document cleaning agent name, concentration, date, and time.
- Supervisor shall review and sign the records.
- QA shall periodically review cleaning records.
7. Safety & Precautions
- Handle cleaning chemicals carefully.
- Use appropriate PPE at all times.
- Do not mix different cleaning chemicals.
- Report spills or accidents immediately.
8. GMP & Compliance
- Follow approved cleaning schedules.
- Ensure traceability of cleaning activities.
- Validate cleaning procedures where applicable.
- Ensure personnel are trained on this SOP.
9. References
- WHO GMP Guidelines
- EU GMP – Chapter 3 & 5
- US FDA 21 CFR Part 211
- Internal Quality Manual
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