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(4) The operator shall submit copies of the Final Documentation report to the Board and the local enforcement agency as prepared by the CQA officer. (5) Once closure construction is complete, the document originals shall be stored by the operator in a manner that will allow for easy access while still protecting them from any damage. All documentation shall be maintained throughout the postclosure maintenance period. (e) Laboratory Testing Requirements (1) Analysis of earthen materials shall be performed prior to their placement onto the final cover. Representative samples for each layer within the final cover shall be evaluated. The following minimum laboratory testing procedures shall be performed: l (A) ASTM Designation: D 1557-78 [approved 5/88] , "Standard Test Methods for Moisture-Density Relations of Soils and Soil-Aggregate Mixtures Using 10-1b (4 . 54-kg) Rammer and 18-in. (457-mm) Drop, " which is incorporated by reference; (B) ASTM Designation: D 422-63 (Reapproved 1972) [7/84 ) , "Standard Method for Particle-Size Analysis of Soils, " which is incorporated by reference; and (C) ASTM Designation: D 2487-85 [1/89] , "Standard Test Method for Classification of Soils for Engineering Purposes, " which is incorporated by reference. (2) In addition to the tests listed in Subsection (e) (1) , the following minimum laboratory tests shall be performed on barrier layer materials: (A) ASTM Designation: D 4318-84 [approved 10/84] , ®'standard Test i Method for Liquid Limit, Plastic Limit, and Plasticity Index of Soils, " which is incorporated by reference; and (B) Environmental Protection Agency (EPA) Test Method 9100 [Approved 9-86) , "Triaxial-Cell Method with Back Pressure, " which is incorporated by reference. (f) Field Testing Requirements (1) The following minimum field test procedure shall be performed for each layer in the final cover: (A) ASTM Designation: D 2488-84 [1/89] , "Standard Practice for Description and Identification of Soils (Visual-Manual Procedure) , " which is incorporated by reference. (g) Test Fill Pad Requirements (1) Before installing the compacted foundation and barrier layer of the final cover, the operator shall accurately establish the correlation between the design permeability and the density at which that permeability is achieved. To accomplish this the operator shall: (A) Provide a representative area for a test compacted foundation and low permeability layer. The following minimum testing procedures shall be performed: 1. The test pad foundation and barrier layers shall be compacted with the designated equipment to determine if the specified density/moisture content/permeability relationships determined in the laboratory can be achieved in the field with the compaction equipment to be used and at the specified lift thickness. III 7 .8-16 (6/18/90)