The relative or absolute increase in the frequency of adenocarcinoma of the cervix in the 1980s, coupled with the introduction of the endocervical brush, broom, and other endocervical sampling devices, has stimulated us to examine more carefully and classify more precisely the lesions of the endocervix.
If you do have one of these systems you need to know whether it's a conventional or alternative septic system, and exactly how it works. Gravity System-A conventional system which uses gravity to force the wastewater out into the drain field. 2  These types of septic systems use gravel as a filter. 3  Pressure Distribution System-A conventional system which involves the use of a pump.
How a Septic System Affects a Pond. While a septic system filters and cleans the waste water from your home, placing a pond too close to the leach fields can affect the pond's ecosystem. The extra nitrogen and phosphorus seeping into the pond from the leach field can cause an overgrowth of aquatic plants and algae.our local building permit office usually has a form that explains not only how to apply for a septic system permit, but also provides the minimum setbacks. In general, leach fields must be 100 feet from streams, rivers, water supply wells, oceans, lakes or reservoirs.