FDA 21 CFR 211.67 – Pharma GMP

Perform Recovery Studies After Swab Testing to Validate Cleaning Effectiveness

digi — Wed, 05 Nov 2025 22:56:01 +0000

Perform Recovery Studies After Swab Testing to Validate Cleaning Effectiveness Do Perform Recovery Studies After Swab Testing in Cleaning Validation Remember: Swab testing must be supported by recovery studies — this confirms the method’s efficiency and validates cleaning effectiveness in GMP areas. Why This Matters in GMP Swab testing is a standard method for detecting...

Never Reuse Pipettes in GMP Labs Without Proper Autoclaving

digi — Wed, 29 Oct 2025 15:23:47 +0000

Never Reuse Pipettes in GMP Labs Without Proper Autoclaving Don’t Reuse Pipettes in GMP Labs Without Autoclaving Remember: Never reuse laboratory pipettes in GMP settings unless they’ve been properly autoclaved and validated — even trace residues can contaminate sensitive assays. Why This Matters in GMP Pipettes are used in microbiological assays, solution transfers, and sample...

Train Teams on Cross-Contamination Prevention in GMP Manufacturing

digi — Wed, 22 Oct 2025 07:22:00 +0000

Train Teams on Cross-Contamination Prevention in GMP Manufacturing Do Train Teams on Cross-Contamination Prevention in GMP Manufacturing Remember: Equip all GMP personnel with comprehensive training on cross-contamination risks and controls — prevention begins with awareness and compliance. Why This Matters in GMP Cross-contamination is the unintended transfer of product, materials, or residues from one product...

Don’t Bypass Filters During Water Sanitization in GMP Utilities

digi — Sat, 18 Oct 2025 23:41:15 +0000

Don’t Bypass Filters During Water Sanitization in GMP Utilities Don’t Bypass Terminal Filters During GMP Water System Sanitization Remember: Never bypass filters when sanitizing pharmaceutical water systems — it compromises microbial control and defeats the validated system design. Why This Matters in GMP Water systems used in pharmaceutical operations, including Purified Water (PW) and Water...

Conduct Surface Swab Testing After Sanitization to Confirm GMP Compliance

digi — Wed, 15 Oct 2025 22:01:36 +0000

Conduct Surface Swab Testing After Sanitization to Confirm GMP Compliance Do Perform Surface Swab Testing After Sanitization to Confirm Microbial Control Remember: Always conduct surface swab testing after sanitization in GMP zones — it verifies effectiveness and ensures contamination control. Why This Matters in GMP Post-cleaning surface swab testing is an essential component of the...

Define Changeover Limits for Multiproduct Equipment in GMP Manufacturing

digi — Wed, 15 Oct 2025 00:55:39 +0000

Define Changeover Limits for Multiproduct Equipment in GMP Manufacturing Do Set Changeover Limits for Multiproduct Equipment to Prevent Cross-Contamination Remember: Always establish validated changeover limits when using shared equipment for multiple products — it ensures effective cleaning and minimizes contamination risk. Why This Matters in GMP In facilities producing more than one product on the...

Never Ignore Endotoxin Test Failures in WFI Systems

digi — Sat, 11 Oct 2025 13:30:23 +0000

Never Ignore Endotoxin Test Failures in WFI Systems Don’t Ignore Endotoxin Test Failures in Water for Injection (WFI) Systems Remember: Never disregard endotoxin test failures in WFI systems — they indicate serious contamination risks that demand immediate investigation and corrective action. Why This Matters in GMP Water for Injection (WFI) is used in the manufacture...

Log Power Interruptions in Utility Systems for GMP Impact Assessment

digi — Tue, 07 Oct 2025 12:03:56 +0000

Log Power Interruptions in Utility Systems for GMP Impact Assessment Do Log Power Interruptions in GMP Utility Systems Remember: Always record utility power failures — even short outages can disrupt GMP processes and require impact evaluation. Why This Matters in GMP Utility systems such as HVAC, purified water (PW), WFI, compressed air, and cold storage...

Test Disinfectant Efficacy Annually in GMP Environments

digi — Sat, 04 Oct 2025 12:12:50 +0000

Test Disinfectant Efficacy Annually in GMP Environments Do Perform Annual Disinfectant Efficacy Testing in GMP Facilities Remember: Always verify disinfectant efficacy at least annually — it ensures microbial control and supports your contamination control strategy (CCS). Why This Matters in GMP Disinfectants used in cleanrooms and GMP-controlled areas are central to contamination control. However, over...

Label Disposal Bins Clearly Based on GMP Waste Type

digi — Fri, 03 Oct 2025 14:21:53 +0000

Label Disposal Bins Clearly Based on GMP Waste Type Assign and Label Disposal Bins According to Waste Type in GMP Areas Remember: Always use clearly labeled disposal bins segregated by waste type — this ensures GMP-compliant waste handling and minimizes cross-contamination risks. Why This Matters in GMP GMP environments generate different types of waste —...