A unit shall not contaminate a source of drinking water at the compliance boundary, defined as any point on the edge of the unit at or below the ground surface. At any point on the compliance boundary, the concentration of constituents shall not exceed the water quality standards specified in 35 Ill. Adm. Code 302.301, 302.303, 302.304, and 302.305. The Board may provide for a zone of attenuation and adjust the compliance boundary in accordance with Section 28.1 of the Act and the procedures of 35 Ill. Adm. Code 106.Subpart G upon petition demonstration by the owner or operator that the alternative compliance boundary will not result in contamination of groundwater which may be needed or used for human consumption. In reviewing such petitions, the Board will consider the following factors:
For the purposes of calculating financial assurance for existing landfills, other than existing MSWLF units and lateral expansions, the design period shall be calculated as follows:
Ill. Admin. Code tit. 35, § 814.402
Amended in R93-10 at 18 Ill. Reg. 1284, effective January 13, 1994
BOARD NOTE: Subsection 814.402(b)(3)(H) implements the compliance zone distance requirement specified at 40 CFR 258.40(d)(1992). Subsection (c) is derived from 40 CFR 258.10. Subsections (f) and (g) are derived from 40 CFR 258.16(1992).