"Excessive release" means, for purposes of 35 Ill. Adm. Code 215.144, 218.144 and 219.144, a discharge of more than 295 g (0.65 lbs) of mercaptans and/or hydrogen sulfide into the atmosphere in any 5-minute period.
Ill. Admin. Code tit. 35, § 211.2090
Added at 17 Ill. Reg. 16504, effective September 27, 1993