Clean room management regulations

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
2024-11-29 | Visits:

Clean room management regulations

1. Purpose

To make the use and management of clean rooms of all levels standardized and followed, so as to maintain good personnel discipline and a clean and safe production environment.

2. Working environment

Parameter	Requirement
Controlled temperature in clean room	22+3℃
Humidity	≤ 50%
Cleanliness requirement	Class 10,000 clean room

3. Scope of application

This method applies to all personnel in the product department, technical department, equipment department, etc. who need to enter and exit the clean room.

Figure 1: Clean room management

4. Responsibilities

Responsible Party	Duty
All personnel	Maintain Clean room environment
Product department	Cleaning and management
Equipment department	Peripheral facilities operation
Quality department	Environmental parameters testing

5. Working steps

1.Clean room entry and exit management

Dressing

Hair must be covered in the dust cap and must not be exposed.

Mouth and nose must be covered in the mask.

The hem of the dust-free cap must be completely tucked into the collar of the dust-free clothing.

When wearing the dust-free clothing, do not roll up the sleeves.

Figure 2: Air shower

Air Shower

Before entering, ensure air shower is operational

Stand in center, raise hands and rotate >1 circle

Do not lean on door/wall during operation

Never force-close or modify parameters

Items must enter via cargo shower only

2.Management of items in the clean room

All equipment must be cleaned before entry

Tools must be non-rusting, non-shedding, non-particulate

No unauthorized Electronic devices with cameras

Use dust-free paper only; no erasers/pencils

Maintain airflow patterns; avoid blocking vents

Figure 3: Management of items in A Clean Room

3.Personnel management in the clean room

Wear complete clean clothes at all times

No playing, fighting, noise or running

No lighters, cigarettes or flammables

No food, drinks, or chewing gum

No woolen clothes exposed to environment

No makeup, lipstick, powder or long nails

No entry within 30min after drinking/exercise

Figure 4: Personnel management in clean room

4.Cleaning and Sweeping Management in Dust-free Rooms

Maintain 24/7 positive pressure systems

Use approved tools: vacuum, sticky rollers, etc.

Cover entrances with foot-operated sticky pads

Full maintenance every 3 months

Daily cleaning of responsible areas

Classify and dispose garbage properly

Regularly clean return air vents

Figure 5: Clean room cleaning management

5.Clean room construction Management

Construction Type	Requirements
1.Internal Construction	• Requires approval from product/equipment departments • Avoid dust/debris affecting cleanliness • Clean site immediately after completion
2.External Construction	• Submit "Construction Application Form" for approval • Bring own dust-free clothing • Clean and de-dust all items before entry

6.Visitor Management

Approval	VP+ level authorization required
Attire	Clean white coats, caps, and shoe covers
Duration	≤ 30 minutes maximum stay

7.Clean room monitoring

Responsibility	Frequency	Parameters	Procedure
Quality Department	Daily	Cleanliness, Temperature, Humidity	Monitor, record, and notify departments of abnormalities
Product/Equipment Depts	As needed	System abnormalities	Process issues and resume production after approval