Section 1286.220  Checking Approved Evidentiary Instruments for Accuracy

The accuracy of all approved evidentiary instruments used to obtain a breath analysis reading from a subject shall be checked by a BAT.

a)         Accuracy checks are required:

1)         Prior to being placed in operation;

2)         After a breakdown has been repaired; and/or

3)         When an approved evidentiary instrument fails to quantitate the two required accuracy check tests within 10 percent of the reference sample's value, as adjusted for environmental factors.

b)         Approved evidentiary instruments must quantitate the reference sample within 10 percent of the reference sample's value, as adjusted for environmental factors, to be certified accurate.

c)         Approved evidentiary instruments shall be adjusted by a BAT when necessary to cause the instruments to quantitate the reference sample within 10 percent of the reference sample's value, as adjusted for environmental factors.

d)         The accuracy check results shall be recorded in the instrument's logbook or internal memory, or in the central repository. The automatic accuracy checks or accuracy checks performed remotely will not be entered in the instrument logbook.  If the accuracy check was performed by a BAT at the instrument location, the accuracy check results shall be recorded in the instrument's logbook.

(Source:  Amended at 35 Ill. Reg. 18897, effective October 31, 2011)