| AE2 |
E2-acetate |
| BOD5 |
Biochemical Oxygen Demand during 5-days test |
| COD |
Chemical Oxygen Demand |
| CS |
Concentration of a compound in the solid phase (i.e. sludge) |
| CW |
Concentration of a compound in the water phase |
| DEPA |
Danish Environmental Protection Agency |
| DFU |
Danish University of Pharmaceutical Sciences |
| DS |
Dry Solids |
| E1 |
Estrone (natural steroid hormone, metabolite of E2) |
| E1-3Glu |
Estrone conjugated with glucuronic acid at the 3-hydroxy position |
| E1-3Sul |
Estrone conjugates with sulphate at the 3-hydroxy position |
| E2 |
17β-estradiol (natural steroid hormone) |
| E3 |
Estriol (natural steroid hormone, metabolite of E2) |
| EE2 |
17α-ethinylestradiol (artificial steroid hormone) |
| EEQ |
E2 Estrogenicity Equivalents |
| HRT |
Hydraulic Retention Time |
| k |
Reaction rate constant (for the degradation of estrogens) |
| Kd |
Equilibrium constant i.e. the observed distribution ratio of a compound between solid and water phase at equilibrium |
| KF |
The Freundlich equilibrium constant (the equilibrium constant in the Freundich equation describing the adsorption process) |
| KOW |
The equilibrium constant describing the distribution ratio of a compound between n-octanol and water at equilibrium. |
| LC |
Liquid Chromatograph/Liquid Chromatography |
| LOEC |
Lowest Observed Effect Concentration |
| MeEE2 |
Methyl-EE2 |
| MLSS |
Mixed Liquid Suspended Solids |
| MS |
Mass Spectrometer/Mass Spectrometry |
| N |
Nitrogen |
| NERI |
National Environmental research Institute (of Denmark) |
| NPO |
Nitrogen, Phosphorus and Organic matter |
| O |
Oxygen |
| P |
Phosphorus |
| PE |
Person Equivalents (= 60 gram of BOD5 per day) |
| RESS |
Removal of Excess Suspended Solids |
| SPE |
Solid Phase Extraction |
| SRT |
Sludge Retention Time |
| SS |
Suspended Solids |
| STP |
Sewage Treatment Plant |
| T½ |
Half-life i.e. the time it takes to remove/degrade 50% of the start concentration of a compound |
| TS |
Total Solids |
| VMP |
VandMiljøPlan (Water Environment Action Plan) |
| VSS |
Volatile Suspended Solids |