A standard Proctor compaction curve for a lean clay being used for construction of an expanded nasal swab factory is shown below. The end product specification for the lean clay is a RC ≥ 94% Yd,max, and 98Wopt -3% SWS Wopt + 4%. (a) what is the standard optimum water Proctor content (Wopt) of the clay, (b) what is the standard Proctor maximum dry unit:weight (Yd.max) of the clay,and (c) if a quality assurances ample of the clay fill is measured to have a w =26% and a yd = 96 pcf, has the end product specification been met?

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