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<br />TOPSOIL: Black dirt composed of unconsolidated material, largely undecomposed organic matter that is <br />a suitable foundation for vegetative growth. The composition of the topsoil shall include a well <br />balanced medium consisting ofthe following: <br /> <br />. A maximum sand/silt content of 20% <br />. A minimum organic content of 35% <br />. A pH between 6 and 7 <br />. Removal of all rocks in excess of 3/4" <br />