Record Display for the EPA National Library Catalog
RECORD NUMBER: 768 OF 4742| Main Title | Comparison of System Design and Reproducibility to Estimate Bioconcentration of Di-n-Hexylphthalate By 'Daphnia magna'. | |||||||||||
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| Author | Gloss, S. P. ; Biddinger, G. R. ; | |||||||||||
| CORP Author | Cornell Univ., Ithaca, NY.;Corvallis Environmental Research Lab., OR. | |||||||||||
| Year Published | 1985 | |||||||||||
| Report Number | EPA/600/D-85/115; | |||||||||||
| Stock Number | PB85-210813 | |||||||||||
| Additional Subjects | Isotopic labeling ; Aquatic biology ; Food chains ; Toxicology ; Daphnia ; Water pollution ; Exposure ; Comparison ; Chemical analysis ; Design criteria ; Performance evaluation ; Crustacea ; Accumulation ; Concentration(Composition) ; Bioaccumulation ; Microcosms ; Phthalic acid/(dihexyl-ester) ; Water pollution detection ; Water pollution effects(Animals) ; Diluters ; Biological indicators ; Daphnia magna ; Path of pollutants | |||||||||||
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| Collation | 16p | |||||||||||
| Abstract | Duplicated flow-through exposure systems consisting of two diluters, operated simultaneously, were used to compare the bioconcentration of (14)C-di-n-hexylphthalate ((14)C-DHP) by Daphnia magna under single-species (modular) or multispecies (mixed) model formats proposed for use as microcosms to estimate bioconcentration. Triplicate exposures of Daphnia in each diluter system were made under conditions which provided the following possible sources of DHP: (1) water only fed (Daphnia in mixed model fed unlabled algae), (2) water only unfed, (3) water plus food (labled algae), and (4) food only. |