LOP Enrollment Deadline: 1 March 2027

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 test samples using the simulator of their breath alcohol instruments, collect quantitative data, and report their results.

Sample Description: Four bottles, each containing 500 mL of a water-based solution with varying concentrations of ethanol. Formulated in in casework-like ranges, these solutions allow laboratories to evaluate instrument calibration and test the breath or calibration ports of their instruments.

Samples ship in June.

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