Collaborative Testing Services - CTS

New tests in both our forensics and rubber programs are now available for enrollment on our website!

Our SNP Analysis series is designed to provide an objective measure of your laboratory's SNP genotyping. Test 5911/2 for the spring 2026 cycle of testing is open for enrollment until April 10th, and Test 5915/6 for the fall 2026 cycle of testing is open for enrollment until June 15th.

Rubber Test 636: Tear Strength, developed to meet a growing need for ASTM D624 testing, is available for half-year 2026 enrollment until June 10th.

One month until our team heads to in Nashville, TN!

Stop by booth 29 to learn more about our interlaboratory proficiency testing programs designed to help organizations demonstrate measurement competence, meet accreditation requirements, and ensure reliable testing performance.

At Collaborative Testing Services, Inc. (CTS), we offer the world’s largest variety of interlaboratory tests across industries including agriculture, containerboard, forensics, metals, plastics, rubber, and wine. With worldwide clients in both the public and private sectors, we aim to create and administer sustainable and meaningful testing schemes that help laboratories maintain compliance, monitor performance, identify issues early, and strengthen staff training with unbiased, actionable data.

Learn more on our website—see you in April!

The latest addition to our ALP program, Test 805: Soil Carbon Sequestration, is now available for purchase on both our customer portal and our eCommerce website. Place your order by August 15th to receive the first available cycle of testing!

Samples for this test, which was developed in response to customer requests and to meet a growing need for carbon measurements in agricultural laboratories, will include two pairs of soil with varying total organic carbon (TOC), and results can be reported for any or all of the following properties: moisture content, dry matter content, total carbon, organic carbon, inorganic carbon, total nitrogen, and pH.

We’re bringing the convenience of our containerboard autoline testing to our paper program! For paper customers using autoline instruments, this new enrollment option provides larger sample sizing designed specifically for their machines for more practical and cost-effective paper testing.

Stay tuned for more preorder information next month!