35 Ill. Adm. Code 302.606
Data Requirements
Section 302
Section 302.606Â Data
Requirements
The Agency must review, for
validity, applicability, and completeness, data used in calculating criteria.Â
To the extent available and not otherwise specified, testing procedures,
selection of test species and other aspects of data acquisition must be
according to methods published by USEPA or nationally recognized standards
organizations, including methods found in "Standard Methods",
incorporated by reference in 35 Ill. Adm. Code 301.106.