35 Ill. Adm. Code 301.371

Quantification Level

Last amended: 2023Year: 2026Length: 100 wordsOfficial source
Section 301 Section 301.371  Quantification Level "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.
35 Ill. Adm. Code 301.371: Quantification Level | Justis AI