Alaska Administrative Code
Title 18 - Environmental Conservation
Chapter 60 - Solid Waste Management
Article 3 - Municipal Solid Waste Landfills
18 AAC 60.330 - Design standards
Current through February 27, 2024
(a) The design standards in this section supplement 18 AAC 60.220 - 18 AAC 60.230 and apply to a new Class I MSWLF or lateral expansion of an existing Class I MSWLF or a landfill that accepts polluted soil. These design standards apply to a Class II MSWLF and, if the department so decides, to a Class III MSWLF, only if the department
(b) The owner or operator of a MSWLF subject to this section shall ensure that the MSWLF is constructed
(c) For purposes of (b)(2) of this section, a composite liner consists of a flexible membrane liner (FML) installed on top of, and in direct and uniform contact with a compacted soil layer. The FML must be at least 30 mils thick unless it is made of high density polyethylene (HDPE), which must be at least 60 mils thick. The compacted soil component layer must be at least two feet thick and must have a hydraulic conductivity of no more than 1 x 10-7 centimeters per second.
(d) In approving a design under (b)(1) of this section, the department will consider at least the following factors:
Authority:AS 44.46.020
AS 46.03.010
AS 46.03.020
AS 46.03.100
AS 46.03.110
AS 46.03.800
AS 46.03.810
AS 46.06.080