Checklist Number	Rule Code	Checklist Title	Reference	Cluster 	
†219	219	Revisions to the Definition of Solid Waste	73 FR 64668
10/30/2008	RCRA XIX	
†220	220	Academic Laboratories Generator Standards	73 FR 72912
12/1/2008	RCRA XIX	
†221	221	Expansion of RCRA Comparable Fuel Exclusion	73 FR 77954
12/19/2008	RCRA XIX	

† Optional Checklist