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1. Accessible com- Means a public sewerage system where it's utilization by a given piece of property
munity sewer is not limited because of physical or other features as determined by the commis-
sioner
2. Advanced treat- Means an approved treatment device in compliance with rule 0400-48-01-10 that
ment system is separate and distinct from the disposal field and is used to improve the quality
(ATS) of septic thank effluent to secondary levels
3. Agency of gov- In the context of public sewerage systems, means state, county, and municipal
ernment government agencies including their subdivisions and utility districts, but does not
include entities regulated by the Tennessee regulatory authority.
4. Air/Vacuum Re- Means a device that allows the air in a distribution system to escape during
lief Valves pressurized flow, and allows air to enter the system durning depressurized flow
5. Alternate meth- Means a subsurface sewage disposal system, the construction, installation, and
ods of disposal operation of which varies from that of a conventional subsurface sewage disposal
system.
6. Blockout Means a potential access hole which is a think section of concrete preformed in a
septic tank which can be removed to allow insertion of a four to six inch pipe
7. Boundary outline Means a map or chart with lines delineating the boundaries of the proposed area
or parcel of land
8. Buffer zone Means the distance between subsurface sewage disposal systems or subsystems
required to alleviate the impact of hydraulic overloading from the adjacent system
9. Commissioner Means the commissioner of environment and conservation, the commissioners
duly authorized representative, and in the event of commissioners absence or a
vacancy in the office of commissioner, the deputy commissioner
10. Comventional
sand filter
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, Conventional septic system installer
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Means a filter with two(2) feet or more of medium sand designed to chemically
and biologically process septic tank or other treatment unit effluent from a pressure
distribution system operated on an intermittent basis.
11. Conventional Means a disposal system that pre-treat sewage by use of septic tank and applies
subsurface effluent to the soil as described in rule 0400-48-01-07
sewage, disposal
system
12. Department Means the department of environment and conservation
13. Disposal field Means the part of a subsurface sewage disposal system that utilizes the soil for
absorption and treatment of septic tank effluent
14. Domestic sep- Means either liquid or solid material. Removed from a septic tank, cesspool,
tage portable, toilet, type III marine sanitation device, or similar treatment Works, that
receive only domestic sewage domestic septage does not include liquid or solid
material removed from a septic tank, cesspool or similar treatment works, that
receives either commercial wastewater or industrial waste water, and does not
include grease trap at a restaurant.
15. Dosing chamber Means a water tight receptacle which house is a sewage effluent pump or siphon
and stores sewage effluent from a septic tank until it is pumped, or dosed to a
disposal field.
16. Drip emitters Means a flow control device that is typically attached to the inside wall of drip line,
which allows the discharge of water at a predictable rate for a given pressure
17. Drip line Means polyethylene tubing that has been certified for wastewater. Use that incor-
porates uniformly spaced drip emitters along it's Length
18. Effluent filter Means an effluent treatment Device installed on the outlet of a septic tank or dosing
tank, which is designed to prevent the passage of large suspended matter.
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