Enrollment Deadline: 1 November 2026

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.