Laboratory research has determined that the proper pH for a Blue Hen loam soil is obtained with 70% base saturation. The Blue Hen loam has a CEC of 18 meq/100g soil. The initial base saturation of the Blue Hen loam is 45%. Calculate the CaCo3 in tons/acre required to raise the base saturation of the soil to 70%. Assume an acre contains 2,000,000 lbs of soil.