Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 301 - INTRODUCTION
Section 301.371 - Quantification Level

Current through Register Vol. 48, No. 38, September 20, 2024

"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.

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