Materials & Chemistry Laboratory, Inc.

Materials & Chemistry Laboratory, Inc. A commercial applied research company providing high quality consulting & analytical testing. For mo

Why is MCLinc a strong laboratory partner? We do more than generate data; we provide the confidence you need to make inf...
06/11/2026

Why is MCLinc a strong laboratory partner? We do more than generate data; we provide the confidence you need to make informed decisions.

Some factors to consider are:

· Strong Quality System – Ensuring consistent results based on accuracy and reliability as well as regulatory compliance.
· Technical Expertise – A combination of deep science understanding combined with sound analytical skills.
· Responsive Communication – Access to up-to-date information as well as technical support.
· Reliable Turnaround – Results delivered when needed.
· Defensible Data – Results generated by MCLinc can be defended against any challenges.
· Industry Knowledge – An understanding of what is needed from industries to serve their unique needs.
· Experienced Staff – Well-trained staff whose expertise includes technical knowledge as well as practical experience.
· Long-Term Partnership – A long-term partner committed to meeting the changing needs of their customers.

A successful laboratory partnership requires trust and technical proficiency to work through the many challenges involved. With the right laboratory partner, analytical testing becomes much more than just a test itself.

06/04/2026

For MCLinc, 2026 marks 28 years as a commercial laboratory.

In 1998, MCLinc became the first private company established through the U.S. Department of Energy’s Reindustrialization Program following the shutdown of the Oak Ridge Gaseous Diffusion Plant. Built from the former K-25 chemistry laboratory, our company was founded on the expertise, scientific rigor, and problem-solving mindset of the technical professionals who helped shape Oak Ridge’s historic mission.

Over the years, that knowledge and experience has been carried forward by new generations of scientists and technical professionals, allowing MCLinc to continue supporting critical government and industry missions.

Today, MCLinc remains an employee-owned small business providing consulting and analytical testing services in materials characterization, environmental chemistry, industrial hygiene, hydrometallurgy, radiochemistry, and process optimization, including the licensed handling of radioactive materials and enriched uranium.

As Oak Ridge enters another era of growth and investment in advanced energy and nuclear technologies, we remain committed to investing in new capabilities, supporting evolving industry needs, and continuing Oak Ridge’s legacy of science, innovation, and service.

Thank you to our employees, clients, partners, and community for being part of our journey.

The future is built on strong foundations.

06/03/2026

Beginning construction in Oak Ridge in June 1943, the K-25 Gaseous Diffusion Plant, with its distinctive U shape, was the largest building in the world during the Manhattan Project. Covering a 44-acre tract over one-half mile long and 1,000 feet wide, this top-secret facility employed over 10,000 workers at its height of operation in 1945.

The K-25 Gaseous Diffusion Plant, along with two other nearby massive Manhattan Project facilities, the Y-12 Electromagnetic Isotope Separation Plant and the S-50 Liquid Thermal Diffusion Plant, operated with the intent of enriching or separating lighter uranium-235 from heavier uranium-238.

Unlike the processes used at Y-12 and S-50, K-25 relied on over 3,000 gaseous diffusion steps through which uranium hexafluoride gas could pass through. This process allowed for smaller uranium-235 atoms to pass through the tiny pores in the barriers of each step, enriching the gas and creating a higher concentration of uranium-235. This gaseous diffusion method proved cheaper and more efficient than Y-12's electromagnetic separation process and S-50's liquid thermal diffusion process. Uranium-235 enriched at S-50, K-25, and Y-12 was used in Little Boy, the atomic bomb dropped on Hiroshima, Japan on August 6th, 1945.

The K-25 complex produced enriched uranium for defense and commercial purposes until the mid 1980s. Its benchmark gaseous diffusion method was the only uranium enrichment method used by the United States during the Cold War. In 2013, due to its deteriorated condition, Department of Energy contractors demolished K-25.

Image Credit: US Department of Energy/Ed Westcott

05/25/2026

At MCLinc, we honor and remember the heroes who made the ultimate sacrifice. This Memorial Day, we pause to reflect on the courage, service, and selflessness of those who served our nation with unwavering devotion. May we never forget their sacrifice or the freedoms preserved through their service.

We’re excited to be exhibiting at the Tennessee Environmental Network’s Show of the South!If you’re attending, stop by B...
05/13/2026

We’re excited to be exhibiting at the Tennessee Environmental Network’s Show of the South!

If you’re attending, stop by Booth 312 to meet the team from Materials & Chemistry Laboratory, Inc. (MCLinc). We’d love to connect, discuss current environmental and materials characterization challenges, and share how our analytical and forensic services can support your projects.

Come say hello — we look forward to seeing you!

04/22/2026

A few quiet moments to serve as a reminder of how much beauty exists when we take the time to slow down and notice.

Happy !

04/21/2026

Last week, MCLinc had the pleasure of welcoming Dr. Mary Turner's Analytical Chemistry class from Maryville College for a behind-the-scenes tour of our facility.

We'd like to thank Dr. Turner and her class for the thoughtful artwork they shared in recognition of the college's 200th anniversary.

At MCLinc, we're proud to support and engage with the next generation of analytical chemists as they explore the possibilities ahead of them.

Materials and Chemistry Laboratory will be closed on Friday, April 3, in observance of Good Friday. We will resume norma...
04/02/2026

Materials and Chemistry Laboratory will be closed on Friday, April 3, in observance of Good Friday. We will resume normal operations on Monday, April 6.

Wishing you a fun, relaxing, and Happy Easter weekend!

Happy International Day of Women and Girls in Science!At MCLinc, we're proud to support the women in our analytical labo...
02/11/2026

Happy International Day of Women and Girls in Science!

At MCLinc, we're proud to support the women in our analytical laboratory as well as the next generations of STEM leaders.

12/30/2025

As we ring in the New Year, all of us at MCLinc would like to thank you for being part of our journey and wish you a year filled with success, growth, and new opportunities.

MCLinc will be closed on Thursday, January 1, as our team takes time to celebrate the New Year with family and friends.

We look forward to serving you in the year ahead and will be back and ready to assist you on Friday, January 2.

Address

161 Mitchell Road
Oak Ridge, TN
37830

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

(865) 276-6910

Website

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