SOP Guide for Pharma

Gel Manufacturing: SOP for Sampling of Packaged Gels for QC – V 2.0

Gel Manufacturing: SOP for Sampling of Packaged Gels for QC – V 2.0

Standard Operating Procedure for Sampling of Packaged Gels for Quality Control Testing


Department Gel Manufacturing
SOP No. SOP/GM/099/2025
Supersedes SOP/GM/099/2022
Page No. Page 1 of 11
Issue Date 02/06/2025
Effective Date 04/06/2025
Review Date 02/06/2026

1. Purpose

To define a standardized method for sampling packaged gel products for quality control (QC) analysis prior to final product release.

2. Scope

This SOP applies to all batches of gel products that have been packaged and require sampling for QC testing before batch disposition.

3. Responsibilities

  • Quality Control
Analyst: Perform the sampling as per procedure and ensure sample integrity.
  • Warehouse Personnel: Assist in identification and retrieval of required units for sampling.
  • Quality Assurance: Verify sampling records and ensure samples are appropriately labeled and stored.
  • 4. Accountability

    The Head – Quality Control is accountable for ensuring proper and compliant sampling of gel products.

    5. Procedure

    5.1 Sampling Plan and Approval

    1. Prepare a batch-specific sampling plan based on the packaging configuration (tubes, jars, sachets, etc.).
    2. Sampling should be statistically representative (e.g., ANSI/ASQ Z1.4 or ISO 2859 standard).
    3. QA must approve the sampling plan before execution.

    5.2 Sample Withdrawal

    1. QC analyst shall wear clean protective clothing and gloves before entering the storage area.
    2. Locate the batch in the quarantine storage area using the batch transfer records and inventory log.
    3. Randomly select units from different shipper boxes/pallets as per approved sampling plan.
    4. Withdraw additional units as control samples, reserve samples, and for stability testing if applicable.

    5.3 Labeling and Documentation

    1. Each sampled unit must be labeled with:
      • Sample Type (QC/Control/Reserve)
      • Batch Number
      • Date of Sampling
      • Sampler’s Initials
    2. Enter sample details in the Sampling Logbook (Annexure-1).
    3. Update the Batch Sampling Record (Annexure-2) and affix it on the batch shipper or pallet.

    5.4 Sample Storage and Transfer

    1. Transport samples in clean, labeled containers or ziplock bags to the QC lab.
    2. Store reserve and control samples in designated controlled storage areas.

    5.5 Precautions

    • Use sterile forceps or gloved hands for handling if the product is sensitive to microbial contamination.
    • Avoid any damage or contamination to the packaging during withdrawal.
    • Do not sample units with defective packaging or unclear labeling—report such issues to QA.

    6. Abbreviations

    • SOP: Standard Operating Procedure
    • QC: Quality Control
    • QA: Quality Assurance

    7. Documents

    1. Sampling Logbook – Annexure-1
    2. Batch Sampling Record – Annexure-2
    3. Batch Manufacturing Record
    4. Product Labeling SOP

    8. References

    • WHO TRS 986 – Annex 2: GMP Guidelines
    • Schedule M – Quality Control Section
    • FDA CFR 21 Part 211.110 – Sampling and Testing

    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: Sampling Logbook

    Date Batch No. Product Name Sample Type Sampler Name Remarks

    Annexure-2: Batch Sampling Record

    Batch No. Product Name Date of Sampling Units Sampled QA Signature Remarks

    Revision History

    Revision Date Revision No. Change Description Reason Approved By
    03/06/2022 1.0 Initial SOP release New Documentation QA Head
    02/06/2025 2.0 Updated sampling procedures and annexure formats Annual Review QA Head
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