Specifications include, but are not limited to: 2.1. Imported Topsoil shall be fit for the purpose intended: capable of supporting plant life. 2.2. Imported Topsoil shall consist of material that is clean and friable, and that is reasonably free from stones (>1”), roots, and any other deleterious materials. 2.3. Imported topsoil mix shall be a dark brown to black mix at a proportion of approximately 1-part clay-rich mineral soil to 1-part composted soil with moderate moisture content (30-50% of total weight). 2.4. Imported topsoil mix shall be a dark brown to black mix at a proportion of approximately 1-part clay-rich mineral soil to 1-part composted soil with moderate moisture content (30-50% of total weight). 2.5. The composted soil component of the topsoil mix shall be a composted mix of approximately equal proportions of clay-rich mineral soil and composted yard waste and inoculated with leaf mold. The composted soil shall have been composted together for at least 12 months, reaching a temperature of at least 150 degrees Fahrenheit for at least 15 days. After composting, the composted soil shall have been passed through a 3/8-inch screen to remove larger particles. 2.6. The compost component shall be well decomposed, stable to very stable, weed-free organic matter, source derived from yard trimmings or City approved alternate source. The Carbon/Nitrogen (C/N) ratio shall be less than 25:1 and trace metals test results shall “pass”. It shall not contain substances toxic to plants and shall not have objectionable odors. It shall not resemble the raw material from which it was derived and shall be reasonably free of man-made foreign matter.