Collaborative Testing Services - CTS

03/16/2026

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.

03/12/2026

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!

12/01/2025

As we continue preparation for the 2026 test year at CTS, we are excited to announce the launch of a new On-Demand test series for Body Fluid Identification!

This test series, with order fulfillment beginning in February 2026, is especially suitable for organizations with larger serology or crime scene units and offers all the conveniences of our current On-Demand testing, including flexible purchasing, choices between neat and casework-style samples, and immediate report generation.

For more information, visit our website!

09/23/2025

may be over, but our dedication to supporting the forensic community's quality control efforts is ongoing with offerings such as our Crime Scene Processing (CSP) test, our only on-site and observational test scheduled to meet your organization’s needs.

Our CSP test, which has been administered at forensics laboratories in 14 different states and 3 different countries since its launch, allows both individual examiners and teams to process a mock crime scene using your laboratory’s standard operating procedures and equipment.

For more information, including pricing, contact us on our website!

09/09/2025

Sponsor Spotlight: Collaborative Testing Services

Thank you for supporting the AFQAM Community! We can't wait to see you in Portland, OR this October. Don't forget to stop by CTS' booth to see all of proficiency tests they have to offer and how they can help your organization!

Register for the Annual Training Conference at https://www.afqam.org today!

09/08/2025

We are pleased to have Collaborative Testing Services - CTS at our conference in a few short weeks! Be sure to pay them a visit during a break or lunch!

09/08/2025

07/07/2025

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.

06/16/2025

Introducing Test 5035: Ma*****na vs H**p Differentiation On-Demand, the newest addition to our on-demand selection of tests! This test was designed to evaluate a participant's ability to identify ma*****na using their own reporting procedures and identification thresholds while offering the same flexible scheduling and randomized samples that our on-demand program provides.

Order now on our eCommerce site or on the CTS Portal, where 2026 renewals are also now open!

05/02/2025

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!

02/17/2025

Collaborative Testing Services - CTS is back for another year at the ASCLD Annual Symposium! We love being part of such an incredible community, and we’re thrilled to sponsor and support the advancement of forensic science.
Stop by booth 32 for giveaways, a showcase of the latest in quality proficiency testing, or just to say hi—we'll see you there!