Nearly 2,500 breath-alcohol tests conducted in drunken-driving cases across the state over a period of nearly four years used equipment with flawed quality control standards, which some defense ...

A calibration error in 4,001 alcohol cases resulted in inaccurate records in some of them, drawing criticism from defense attorneys, and forcing prosecutors to take a ...

The importance of calibration for all electronic test equipment. The main reason why such equipment must be regularly calibrated. The pros and cons of self-calibration or using outside services. It’s ...