Part 104 - REGULATORY RELIEF MECHANISMS

  1. Subpart A - GENERAL PROVISIONS (§ 104.100 to 104.106)
  2. Subpart B - VARIANCES (§ 104.200 to 104.248)
  3. Subpart C - PROVISIONAL VARIANCES (§ 104.300 to 104.310)
  4. Subpart D - ADJUSTED STANDARDS (§ 104.400 to 104.428)
  5. Subpart E - TIME-LIMITED WATER QUALITY STANDARDS (TLWQS) (§ 104.500 to 104.590)

Current through Vol. 46, No. 16, April 15, 2022

Notes

Subpart B: Originally adopted as Chapter I: Procedural Rules, Part IV: Variances, in R70-4, at 1 PCB 43, October 8, 1970; amended in R77-16, 29 PCB 503, at 2 Ill. Reg. 16, p. 3, effective May 1974; amended in R79-9, 35 PCB 433, at 3 Ill. Reg. 51, p. 128, effective December 7, 1979; amended in R80-12, 40 PCB 451, at 5 Ill. Reg. 2763, effective March 2, 1981; codified at 6 Ill. Reg. 8357; amended in R84-10, 62 PCB 87, at 9 Ill. Reg. 1409, effective January 16, 1985; old Part repealed, new Part adopted in R00-20 at 25 Ill. Reg. 613, effective January 1, 2001; amended in R04-24 at 29 Ill. Reg. 8803, effective June 8, 2005.

Amended in R14-21 at 39 Ill. Reg. 2357, effective 1/27/2015. Amended in R15-20 at 39 Ill. Reg. 12905, effective 9/8/2015. Amended in R16-17 at 40 Ill. Reg. 7973, effective 5/20/2016. Amended in R17-18 at 41 Ill. Reg. 10049, effective 7/5/2017. Amended in R18-18 at 42 Ill. Reg. 7922, effective 4/27/2018.

AUTHORITY: Subparts B and C: Implementing Sections 5, 35, 36, 37 and 38 of the Environmental Protection Act (Act) [ 415 ILCS 5/5, 35, 36, 37, and 38 ] and authorized by Sections 26 and 27 of the Act [ 415 ILCS 5/26 and 27 ]. Subpart D: Implementing Sections 5, 14.2(c), 22.4, 27, 28, 28.1, 28.5 and 39.5 of the Act [ 415 ILCS 5/5, 14.2(c), 22.4, 27, 28, 28.1, 28.5 and 39.5] and authorized by Sections 26 and 27 of the Act [ 415 ILCS 5/26 and 27 ]. Subpart E: Implementing and authorized by Sections 4, 5, and 38.5 of the Act [ 415 ILCS 5/5 and 38.5].

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