Controlled Environment Products

High-quality non-sterile and sterile cleanroom supplies, chemicals, packaging, safety and ESD products

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Welcome to Thomas Scientific's Controlled Environments and Cleanroom Solutions Specialists. A team of controlled environment experts dedicated to providing you with products and service solutions for all your manufacturing requirements for cleanrooms and controlled environments, in markets such as biopharma and advanced technologies.

Experienced, cleanroom and supply chain experts
who drive technical application engagement for products, inventory solutions, and productivity improvements for our customers and supplier partners.

Dedicated Production Customer Service (PCS) Specialist
who ensure quality management of customer specific requirements, order accuracy, on-time delivery, certifications, and provide 360° supply chain communication. LEARN MORE

Provide Assurance of Supply
through Thomas’s Customer Inventory Reserve Program which delivers business continuity, mitigates the risk of production shutdowns, and improves inventory forecasting, planning collaboration and visibility. LEARN MORE

(VMI) Vendor Managed Inventory Service Solutions
delivers enhanced supply chain value by delivering increased productivity and process efficiencies across the customer operations. Learn more about Thomas' Inventory Management Solutions - LEARN MORE

Provides Access to the Broadest Supplier Portfolio of Products Supporting Cleanroom and Clean Manufacturing Environments
which provides choice, innovative sourcing options, quality, availability, and environmentally sustainable solutions. LEARN MORE

Cleanroom Construction Solutions
Thomas is proud to be partnered with industry leader Angstrom Technology, providing a one-stop destination for all your cleanroom needs. Visit our Cleanroom Construction page to learn how we can help you with your new or existing cleanroom project.

TIMS Vendor Managed Inventory
TIMS Vendor Managed Inventory saves time and reduces total costs through precise, cost-efficient lab operations and supply chain solutions. Lab inventory management has never been easier. Visit our TIMS page to learn more.

Production Customer Service
Our Production Customer Service Specialists provide 360° order-to-delivery services and communication, manage inventory and order requirements for customers working in clean manufacturing environments. Every TIMS account is assigned a dedicated Production Customer Service (PCS) Specialist. These specialists provide a supply chain management experience designed to provide peace of mind over your inventory – allowing you and your team to focus fully on the production and manufacturing at hand. DOWNLOAD the flier for more information.

Reserve Inventory Program
The purpose of Thomas Scientific's Inventory Reserve Program is to increase assurance of supply for consistently purchased critical products. Thomas has the ability to virtually hold inventory for a specific account for a specific quantity of inventory that is not available to other accounts. To learn more about the program and how it works, download our Reserve Inventory Program overview.

A controlled environment, sometimes called a critical environment is any type of space where there are regulated factors. This can be a simple as temperature or humidity; however, operational needs can require particle control, static control, sterility and more. Most often in production manufacturing, we’re regulating for particle control, meaning the environment must meet a requirement for the volume of particulates in the airoo

Cleanrooms are used in a wide variety of industries. Some of the cleanroom industries we support include (but are not limited to):

  • Aerospace and defense
  • Automotive
  • Biotechnology
  • Cosmetics
  • Medical device
  • Pharmaceutical
  • Food and beverage
  • Semiconductor
  • Vivarium

ISO (International Organization for Standardization) is an independent organization that develops international standards. ISO 14644-1:2015 classifies air cleanliness by looking at the volume of airborne particles in cleanrooms and controlled environments. These classifications include ISO 1, ISO 2, ISO 3, ISO 4, ISO 5, ISO 6, ISO 7, ISO 8, and ISO 9 with ISO 1 being the “cleanest” by requiring the lowest particle count.

The Federal Standard 209 (FS 209) is an obsolete classification system which also provides classes dependent on the concentration of airborne particles in a regulated space. This standard was replaced by IS0 14644-1 but is still widely referenced in the industry today. The FS 209 classifications include Class 100,000, Class 10,000, Class 1,000, Class 100, Class 10, Class 1. Many people working within cleanrooms and controlled environments will use ISO and FS 209 classifications interchangeably. The chart below shows the ISO classification and its FS 209 equivalent.

ISO 14644-1FS 209
ISO 3Class 1
ISO 4Class 10
ISO 5Class 100
ISO 6Class 1,000
ISO 7Class 10,000
ISO 8Class 100,000

Depending on the regulations and requirements of the specific cleanroom, a cleaning protocol will be established that provides guidelines for proper cleanroom cleaning, and what cleaning products are to be used. Cleanrooms will either be cleaned through the hiring of an outside janitorial service that specializes in cleanrooms or will be cleaned using internal resources.

Contact your Thomas Scientist Cleanroom/Controlled Environments Specialist if you need help establishing a cleaning protocol and determining the right cleaning supplies for your requirements. [email protected]

A cleanroom gowning protocol or a cleanroom gowning procedure is the proper process of donning (putting on) and doffing (taking off) cleanroom garments and personal protective equipment (PPE) to not contaminate the apparel. A gowning protocol is unique to each environments requirements and is established to protect the operator from potential workplace hazards as well as safeguard the cleanroom from outside contaminates or particulates.

A new cleanroom would be built to the specific requirements of the application it will be used for. The construction would consider the particulate count that the environment needs to meet. A newly constructed cleanroom can be an integrated structure or a modular turn-key option depending on the budget and the requirements.

To learn more about cleanroom construction check out our on-demand training with our partners at Angstrom Technologies – Cleanroom Masterclass: How to Successfully Design and Build Your Cleanroom.

Most often, cleanrooms are validated by third-party validation agencies. This entails a thorough inspection and several tests, whereafter the cleanroom is certified to a specific class indicating its level of control, usually to an ISO 14644-1 class.

Cleanroom validation has several phases, beginning with design qualification, and ending in final certification. Some of the tests performed in these phases include airflow volume and velocity tests, HEPA/ULPA filter leak testing, air movement visualization (smoke testing), room pressurization, room recovery, airborne particle count tests, relative humidity, temperature, and other testing conditions.

Once initial certification is complete, it is important to regularly recertify to ensure that your cleanroom continues to operate as it did when it was built. At a minimum, annual certification is recommended. Depending on industry and product, semi-annual or even quarterly certification may be required.

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A vendor managed inventory solution for your Controlled Environment.

5 levels of service designed to save time, reduce costs, and improve customer service. Click HERE to learn more.

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