Dose-response function of persistent pollutants: Difference between revisions
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==Scope== | ==Scope== |
Revision as of 09:08, 31 December 2007
Scope
Dose-response function of persistent pollutants describes the cancer dose-responses of several pollutants in humans (lifetime risk due to lifetime exposure).
Definition
Data
Potency of pollutants. Cancer slope factors (CSF) are used for cancer and Reference Dose (RfD) values are used for non-cancer endpoints. The data comes from the U.S.EPA. [1]
The response assessment is restricted to cancer endpoints, because it is the more sensitive endpoint.
Table. Cancer slope factors (CSF) for several pollutants.
CSF | |
Dieldrin | 16 |
Toxaphene | 1.1 |
Dioxin | 1.56E+005 |
PCB | 2 |
Causality
Upstream variables
- None
Unit
(mg/kg/d)-1
Formula
CSFs are directly used.
Result
Dose-response slope | |
Dieldrin | 16 |
Toxaphene | 1.1 |
Dioxin | 1.56E+005 |
PCB | 2 |
References
- ↑ U.S.EPA. Guidance for Assessing Chemical Contaminant Data for Use in Fish Advisory. Volume 2: Risk Assessment and Fish Consumption Limits, 3rd Edition. 2000. Table 3-1. Open access Internet file Intranet file