Ill. Admin. Code tit. 35, § 808.413
BOARD NOTE: The wastestream description differs from the waste analysis required pursuant to Section 808.410. The wastestream description should describe the waste which the applicant wishes to have classified, which may not be exactly what the applicant presently produces. The waste which is subjected to analysis must fit within the wastestream description, but need not be identical to all variations of it. To avoid having to necessarily repeat the waste classification process, the applicant should request classification of a broadly-defined and characterized wastestream, so as to cover any periodic, occasional or anticipated modification to the waste properties. However, this will tend to increase the degree of hazard ranking of the wastestream.