The following definitions apply to this chapter.

"Calibration" means the comparison of a measurement standard or instrument with another standard or instrument to detect, correlate, report, or eliminate, by adjustment, any inaccuracy of the compared standard or instrument.

"Department" means the Washington state department of agriculture (WSDA).

"Director" means the director of the department or the director's designated representative.

"Laboratory" means the metrology laboratory operated by the department.

"Tolerance testing" means a measurement operation performed to determine whether the actual value of a standard, artifact, or instrument is within a permitted tolerance of its nominal value.