§1286.250. Checking Approved PBTs for Accuracy

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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.

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

                    
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