ABBREVIATIONS

CONVENTIONAL SYMBOLOGY

A.E. Inhabitant Equivalentmount of organic matter derived from a civilian utility. Body

Tr TRetention Time This is the time the liquid remains in the tank.

Qm Average Flow RateThis is the average flow rate of an effluent calculated over 24 h.

Oc load Oxygen consumption Specific oxygen consumption referred to the applied BOD5.

SST Total suspended solids Material present in suspension in a water sample.

NS Nominal size Indication of the maximum treatment flow rate of an artifact in l/s.

BOD5 Biochemical oxygen demandDemand for oxygen to decompose organic matter at 5 days.

Qp Peak Flow RateThis is the maximum influent effluent flow rate to the plant.

FcvFVolumetric Load FactorMagnitude used to size oxidative plants.

MLSS Amount of activated sludge Amount of sludge present on the oxidation tank.

SSV Volatile suspended solids Suspended solids that volatilize when brought to a boil.

T3 Table III Discharge referred to Tab. 3 of Legislative Decree 152/06. 152/06.

T4 Table IV Discharge referred to tab 4 of Legislative Decree 152/06. 152/06.

DS S emi-annual sludge purge Sizing by semi-annual sludge purge.

NR Regional Regulations Sizing according to Regional Regulations (check specific Regions indicated).

MA1 Annual sludge purge (Marche) Sizing by annual sludge purge according to DGR. 145/2010 Marche Region.

MA2 Semi-annual sludge purge (Marche) Sizing for semi-annual sludge purge according to DGR. 145/2010 Marche Region.

VE Veneto regional regulationsSizing according to DCR n.107/09 Veneto Region.

BZ Autonomous Province of Bolzano Sizing according to circular no.3/2008 – Water protection office.

LA Laguna Sizing of the Venice lagoon territory.

AB Abruzzo Sizing according to Abruzzo Region Standards.

F Public sewer discharge.

FO Horizontal Flow Indicates that the phytoremediation system is flowed by the effluent with horizontal flow through the tanks.

CO Covered Degrasser sizing referred to activities with discharge assimilated to civilian dwellings.

AS Surface water discharge

RI Water reuse Discharge with possible reuse of water.

BA Basic system Rainwater recovery system without electromechanical equipment.

IR Irrigation system Rainwater recovery system with equipment for irrigation use.

ID Plumbing system Rainwater recovery system with equipment for irrigation use and services that do not require potable water (toilets, etc…).

PL Free pumpPump installed with discharge pipe only.

PA Coupling foot Pump installed on coupling foot.