Section 1286.230  Checking Approved Evidentiary Instruments for Continued Accuracy

To ensure the continued accuracy of approved evidentiary instruments, a BAT or automated system shall perform accuracy checks.

a)         Checks shall be performed at least once every 62 days.

b)         Checks shall consist of at least two tests of the instrument in which the instrument quantitates a reference sample.

c)         Approved evidentiary instruments must quantitate a reference sample within plus or minus 0.01 BrAC of the reference sample's value. Accuracy beyond the second digit to the right of the decimal point is not required.

d)         The accuracy check results shall be recorded in the instrument's logbook or internal memory, or in the central repository. 

(Source:  Amended at 28 Ill. Reg. 10017, effective June 30, 2004)