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Requirements for Grade C GMP

  • Author:Jason Peng

  • Cleanroom Engineering Technology Manager of Deiiang Company.

    Product R&D Manager of GDC Inc. Cleanroom Equipment Manufacturing Company.

    Executive Director of Guangdong Cleanroom Industry Association of China.

    Engaged in R&D of related products for 15 years, with rich relevant technical experience

  • 2024-12-25  |  Visits:


Requirements for Grade C GMP

Grade C environments are critical within the Good Manufacturing Practice (GMP) framework, particularly in the pharmaceutical industry. These areas are designed to ensure the production of safe and effective products while minimizing contamination risks. Below are key requirements and considerations for Grade C GMP facilities.

Cleanroom Production| Trelleborg Medical Solutions

Cleanroom standards

Grade c CleanRooms must adhere to specific cleanliness standards, typically aligned with ISO 14644-1. This standard specifies that the maximum allowable particles should not exceed 3,520 particles per cubic meter for particles measuring 0.5 microns or larger. Maintaining these levels is crucial for ensuring product integrity during manufacturing processes.

Air Quality Control

Air quality is a fundamental aspect of Grade C environments. The air changes per hour (ACH) must be a minimum of 20, with high-efficiency particulate air (HEPA) filters used to maintain low levels of airborne contaminants. Continuous monitoring systems are required to ensure that air quality remains within established limits, providing a controlled environment for sensitive operations.

GMP CELL BANKING CLEANROOM FOR VACCINE PRODUCTION

Temperature and Humidity Control

Temperature and humidity control are essential to maintaining product quality in Grade C Cleanrooms. The temperature should typically be maintained between 20°C and 25°C, while Relative humidity levels should be kept between 30% and 60%. These parameters help prevent adverse effects on both the manufacturing process and the final product.

Cleaning and Disinfection Protocols

Cleaning protocols in Grade C areas must be rigorous and well-documented. Surfaces should be cleaned regularly, with a minimum frequency of once per shift. Disinfectants specified for use must comply with established efficacy standards, such as those outlined in the United States Pharmacopoeia (USP) <1072>. This ensures effective microbial control within the cleanroom environment.


The Requirements for Grade C Cleanroom Gowning

Step by Step: Cleanroom Gowning Procedures, Gowning Order, and Instructions

  • Cleanroom Attire

Personnel must wear appropriate cleanroom gowns that are made from lint-free, non-porous materials. Gowns should cover all skin areas to minimize contamination risks during manufacturing processes.

  • Gowning Procedure

A strict gowning procedure must be followed, including the use of hoods, masks, gloves, and shoe covers. This multi-layer approach helps maintain the integrity of the cleanroom environment.

Cleanroom gowning: Masterclass - YouTube

  • Personal Hygiene

Before gowning, individuals must practice good personal hygiene. This includes thorough handwashing with approved antiseptics and ensuring no cosmetics or personal items enter the cleanroom.

  • Gown Maintenance

Gowns must be regularly inspected for damage or contamination. Any compromised attire should be replaced immediately to prevent contamination of the cleanroom space.


The Requirements for a Class 100,000 Cleanroom

What is class 100 000 cleanroom?

1. Air Quality Standards

A Class 100,000 cleanroom must not exceed 100,000 particles per cubic meter for particles ≥ 0.5 microns. This standard is critical for maintaining a controlled environment for sensitive processes.

2. Air Change Rate

The cleanroom should have a minimum air change rate of 20 air changes per hour. This ensures that airborne contaminant levels are continuously diluted, maintaining air quality.

3. Surface Materials

All surfaces within the cleanroom must be made of non-porous, easy-to-clean materials. This facilitates effective cleaning and minimizes the risk of contaminant accumulation.


The Requirements for ISO 8 Cleanroom Cleaning

News - ISO 8 cleanroom

1. Cleaning Frequency: ISO 8 cleanrooms require regular cleaning, typically performed daily. Cleaning schedules should be strictly adhered to in order to maintain a contamination-free environment.

2. Approved Cleaning Agents: Only approved cleaning agents should be used to disinfect surfaces. These agents must demonstrate efficacy against a broad spectrum of microorganisms, ensuring a hygienic environment.

3. Cleaning Protocols: Detailed cleaning protocols must be in place, outlining specific procedures for different surfaces. Staff should be trained in these protocols to ensure consistent and effective cleaning practices.


The FDA GMP Requirements

What is a cGMP Warehouse?

  • Quality Management Systems

FDA GMP regulations require the establishment of a robust quality management system. This system should encompass all aspects of manufacturing to ensure product quality and safety.

  • Personnel Qualifications

Staff must be adequately qualified and trained for their roles. The FDA emphasizes that training records should be maintained to demonstrate compliance with GMP Standards.

  • Facility Design

Manufacturing facilities must be designed to minimize contamination risks. This includes appropriate layout, cleanroom classifications, and adherence to environmental control standards.

GMP-Certified Supplement Manufacturer with FDA Compliance

  • Process Validation

All manufacturing processes must undergo validation to demonstrate consistent product quality. The FDA requires documented evidence of process parameters and performance over time.

  • Equipment Maintenance

Regular maintenance and calibration of equipment are required under FDA GMP. Documentation of maintenance activities ensures that equipment operates within specified parameters and does not compromise product quality.

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