SECTION 252:515-11-36. Construction tests

Latest version.

(a)   During liner construction, moisture and density tests shall be performed on each compacted lift at a rate of at least three per acre for each approximately six-inch compacted lift. A minimum of two tests shall be performed on the bottom and one on sideslope areas.
(b)   One of the following methods shall be used:
(1)   nuclear density method using (ASTM D2922), to include the conventional oven drying method (ASTM D2216) performed on every ten samples;
(2)   drive-cylinder method (ASTM D2937);
(3)   rubber balloon method (ASTM D2167);
(4)   sand-cone method (ASTM D1556);
(5)   microwave drying method (ASTM D4643); or
(6)   conventional oven drying method (ASTM D2216).

[Source: Added at 20 Ok Reg 1151, eff 6-1-03]

                    
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