Section 1286.250  Checking Approved PBTs for Accuracy

PBTs shall be checked for accuracy by a BAT or an individual specially trained to perform PBT accuracy checks at least once every 93 days.  To be accurate, the PBT must quantitate a reference sample within 10 percent of the reference sample's value, as adjusted for environmental factors.  Accuracy beyond the second digit to the right of the decimal point is not required.

(Source:  Amended at 33 Ill. Reg. 8529, effective June 4, 2009)