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An engineer, soil scientist, or licensed designer may be required to work with the local governing agency to design a system that conforms to these criteria. A more progressive way [citation needed] to determine leach field sizing is by direct observation of the soil profile. In this observation, the engineer evaluates many features of the soil ...
An aerobic treatment system (ATS), often called an aerobic septic system, is a small scale sewage treatment system similar to a septic tank system, but which uses an aerobic process for digestion rather than just the anaerobic process used in septic systems.
"Biosolids" is a term often used in wastewater engineering publications and public relations efforts by local water authorities when they want to put the focus on reuse of sewage [7] sludge, after the sludge has undergone suitable treatment processes.
A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater flows for basic sewage treatment. [2] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate (referred to as "primary treatment"). [2]
A study led by Mayo Clinic found a “widening gap between lifespan and healthspan" among 183 countries. The lead researcher and another doctor discuss the drivers of poor health late in life.
A jar for keeping medicinal leeches Hirudo medicinalis, a medicinal leech, attached to the skin. A leech collector, leech gatherer, or leech finder was a person occupied with procuring medicinal leeches, which were in growing demand in 19th-century Europe. Leeches were used in bloodletting but were not easy for medical practitioners to obtain ...
Things I Love. Practicality. Versatility is among the most important things I look for in a winter coat. As a New Yorker, I go from freezing as I walk the streets to sweating bullets as soon as I ...
"The results suggest that it is incredibly easy to buy flavored vaping products online, even in areas where they are restricted," he said. "They also suggest that, for the most part, retailers ...