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EC number: 201-557-4 | CAS number: 84-74-2
Sediment toxicity
Administrative data
Link to relevant study record(s)
Description of key information
Call et al., 2001 exposed the freshwater invertebrates Chironomus tentans and Hyalella azteca for 10 days (short-term) to DBP-contaminated sediment. Sediment contained 2.45%, 4.8% and 14.1 %TOC. The 10-d LC50 values for DBP and H. azteca were:17,400. 29,500, and.71,900 mg/kg dry weight for the low, medium, and high TOC sediments, respectively. The 10-d LC50 values for DBP and C. tentans were 826, 1,664, and 4,730 mg/kg dry weight for the low, medium, and high TOC sediments, respectively.
Effects of DBP on macrobenthic animals that colonized sand-filled boxes for 8 weeks in the laboratory and in the field were determined by comparing community structures in boxes that contained uncontaminated and DBP-contaminated sand by Tagatz et al., 1986.
In the exposure (both field and laboratory tests) via sediment (nominal), no significant effects occurred at 100 mg/kg, and echinoderms and molluscs were the only phyla affected at 1000 mg/kg.
Key value for chemical safety assessment
- EC50 or LC50 for freshwater sediment:
- 826 mg/kg sediment dw
- EC10, LC10 or NOEC for freshwater sediment:
- 100 mg/kg sediment dw
Additional information
Based on key studies Call et al., 2001 and Tagatz et al., 1986.
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