LOP Enrollment Deadline: 1 February 2026

This test is still open for enrollment via credit card only. Please select credit card as the payment method during the checkout process if your order includes any Late Order Purchase (LOP) tests.

Participants will use their laboratory's standard methods and procedures to process questioned and known distance items, compare the results, and report the distance determination range.

Sample Description: One questioned fabric item and six known distance fabric items for chemical testing.

Samples ship in April.

This test is included on CTS' Scope of Accreditation to ISO/IEC 17043.