Definitions

RUCK ACCORDION

A 7" high accordion of cuspated core covered with biofabric.

ACCORDION BIOFABRIC

EXXON typar 3401 non woven geotextile satisfying AASHO M288-92 requirements for drainage and erosion control, permeability = 0.03 cm/s.

Blackwater

Wastewater from toilets, latrines, privies, water containing feces or body fluids and water from sinks used for food preparation or disposal of chemical or biological ingredients.

Code

Connecticut Public Health Code, regulations and technical standards for subsurface sewage disposal systems.

Concrete Sand

Effective size > 0.16mm ; Uniformity coefficient < 5 ;
Passing # 100 < 5%; Silica sand; Coefficient of permeability > 5 ft/day; ASTM C-33

Cuspate Core

A 7" high accordion of cuspated core covered with biofabric.

Denitrification

Conversion of nitrate into nitrogen gases under anaerobic conditions, resulting in loss of nitrogen from ecosystems. The return of nitrogen from decomposed matter to the atmosphere by bacteria that change nitrates to nitrogen gas.

DESIGN FLOW per bedroom

150 gallon per day

D.B.

Distribution Box

Evapotranspiration

The combination of water that is evaporated and transpired by plants as a part of their metabolic processes. Reference evapotranspiration is the amount of water needed for plant growth in a year of average weather.

Greywater

Wastewater from clothes washing machines, showers, bathtubs, hand washing , lavatories and sinks.

LTAR

Long Term Acceptance Rate.

MGWT

Maximum Ground Water Table Elevation.

STE

Septic Tank Effluent.

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