Final answer:
The requirements for a tamping rod used in soil testing include being made of non-reactive material, having a specific length and diameter, and having a rounded tip and handle for gripping.
Step-by-step explanation:
The requirements for the tamping rod used in the test method depend on the specific test being conducted. In general, a tamping rod is used in soil testing to compact soil samples. The rod should be made of non-reactive material such as steel or aluminum, have a length of at least 450 mm (18 inches), and a diameter of 16 mm (5/8 inches). The rod should also have a rounded tip and a handle for gripping.
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