§301.371. Quantification Level  


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  • "Quantification Level" is a measurement of the concentration of a contaminant obtained by using a specified laboratory procedure calibrated at a specified concentration above the method detection level. It is considered the lowest concentration at which a particular contaminant can be quantitatively measured using a specified laboratory procedure for monitoring the contaminant.  The analytical procedure used for determining quantification level must be a procedure published by USEPA or a nationally recognized organization, including those methods in 40 CFR 136, 40 CFR 132, or Standard Methods, incorporated by reference in 35 Ill. Adm. Code 301.106.

     

(Source:  Amended at 47 Ill. Reg. 4415, effective March 23, 2023)