35 Ill. Adm. Code 734.420
Laboratory Certification
Section 734.420 Laboratory Certification
All quantitative analyses of samples collected on or after
January 1, 2003, and utilizing any of the approved test methods identified in
35 Ill. Adm. Code 186.180 must be completed by an accredited laboratory in
accordance with the requirements of 35 Ill. Adm. Code 186. A certification
from the accredited laboratory stating that the samples were analyzed in
accordance with the requirements of this Section must be included with the
sample results when they are submitted to the Agency. Quantitative analyses
not utilizing an accredited laboratory in accordance with Part 186 must be
deemed invalid.