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Test

Identifikationsnummer 109436
Stoff 2,4,6-Trinitrotoluol
Literaturtitel Chronic toxicity of 2,4,6-trinitrotoluene to a marine polychaete and an estuarine amphipod
Organismus Leptocheirus plumulosus
Habitat Sediment
Prüfart Mortalität
Endpunkt Überlebende
Standard
Dauer Parameter Wert Bezug nominal / analytisch
28  d LC50 = 202,7  mg/kg TG
Dauer (norm.) Wert (norm.)
28  d LC50 = 202,7  mg/kg TG
Testmedium Sediment
pH 7,8 Temperatur 21,3 °C
Bodenart KAK
Corg [%] 2,66 Ton [%]

Methodenlisting

Durchführung test chambers (250 ml glass beakers). 25 ml of test sediment (1 cm) and 175 ml of 5 ppt artificial seawater. 6 replicates per treatment
Futter Tetramin 3x weekly (1.5 mg/animal, 1.-2. w, then 3 mg/animal 3. w)
Konzentrationsbestimmung measured concentrations reported as TNT represent TNT and its degradation products
Konzentrationen seven treatments, including one methanol-carrier control
Matrixbezug Sediment
Organismus Alter/Lebenstadium juvenile (7–14 d)
Organismus Herkunft laboratory cultures (original stock, 1992, James Pond, Magothy River, MD, USA)
Organismus Anzahl 10 amphipods per replicate
Testsubstanz Uniformly ring-labeled [14C] TNT, New England Nuclear Research Products (Boston, MA, USA), specific activity of 23.6 mCi/mmol and Nonlabeled TNT (Sigma Chemical Company, St. Louis, MO, USA)
Testsubstanz, Reinheit [14C] TNT (99%), TNT (97%)
Lösevermittler Methanol
Photoperiode 16:8 light:dark
Testmedium clean sediment (Sequim Bay, WA, USA; presieved < 300 µm) und Meerwasser, künstlich
Lösungsmittelkontrolle, Ergebnis Yes
Salzgehalt 5 ppt