All methods of sample collection, preservation, and analysis used in applying any of the requirements of this Subpart must be consistent with the methods published by USEPA or nationally recognized standards of organizations, including those methods found in Standard Methods, incorporated by reference in 35 Ill. Adm. Code 301.106, or recommended in 40 CFR 132, incorporated by reference in 35 Ill. Adm. Code 301.106.
Ill. Admin. Code tit. 35, § 302.550
Added at 22 Ill. Reg. 1356, effective December 24, 1997