The effective calcium carbonate (ECC) rating of a liming material is determined by its

a. cation exchange capacity
b. base saturation and pH
c. active and reserve acidity
d. purity and fineness


Ans: d. purity and fineness

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Specific gravity is the weight of a metal compared to the weight of _____

a. one square foot of dry sand b. one square foot of water c. an equal volume of dry earth d. an equal volume of water

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Which of the following leads to cleanup costs?

A. Overfilling B. Pulling a vacuum on a tank while emptying C. Putting wrong or off-spec material in a vessel D. All of the above

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Checking all energy sources, such as electricity, is a typical task found on a(n) _____.

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