Ill. Admin. Code tit. 62 § 240.800
For the purpose of this Subpart the term:
"Crude Oil Bottom Sediments" means the heavy crude oil fraction contained in concrete storage structures, pits or tanks, in a liquid or semi-liquid state, generated from the collection and storage of crude oil.
"Equipment Debris" means any production related equipment such as tanks, treaters, tubulars, injection pumps, pump jacks and any other general equipment or machinery used in connection with oil production which is no longer in repairable condition.
"Pit Residue" means bottom sediments contained in pits, concrete storage structures or tanks in a solid or semi-solid state which are precipitated from produced water storage.
Ill. Admin. Code tit. 62, § 240.800
Added at 17 Ill. Reg. 19923, effective November 8, 1993