In contrast, the median age for the U.S. as a whole ticked up from 37.5 years to 37.6 years. These estimates examine population changes among groups by age, sex, race and Hispanic origin nationally, as well as all states and counties, between April 1, 2010, and July 1, 2013.
Compost is the end product resulting from the controlled biological decomposition of organic material from a feedstock into a stable, humus-like product that has many environmental benefits. Composting is a natural process that is managed to optimize the conditions for decomposing microbes to thrive.
On Site Waste Treatment Plants. Composting toilets are toilet systems which treat human waste by composting and dehydration to produce a useable end-product that is a valuable soil additive.They come in a variety of models and brand names as well as different shapes and designs to enhance the natural composting process.ONTINUAL PROCESS SYSTEMS. These systems are in a constant state of composting. Waste enters the system, composting reduces the volume and moves it downward where it is harvested after 6-12 months as fully composted material.