ETX 1.3a: A program to calculate confidence limits for hazardous concentrations based on small samples of toxicity data

2.50
Hdl Handle:
http://hdl.handle.net/10029/10411
Title:
ETX 1.3a: A program to calculate confidence limits for hazardous concentrations based on small samples of toxicity data
Authors:
Aldenberg T
Other Titles:
[ETX 1.3a: Een computerprogramma voor het berekenen van betrouwbaarheidsgrenzen voor schadelijke concentraties, op basis van kleine steekproeven van toxiciteitsgegevens.]
Abstract:
ETX (EcoToX) is a computer program for MS-DOS computers for the extrapolation of laboratory toxicity data to environmental concentrations that are safe for the majority of the biological species. It is based on the theory of Van Straalen and Denneman (1989), as modified by Aldenberg and Slob (1993). The estimates of the so-called Hazardous Concentrations can be given on two levels of confidence: a median estimate that in the long run will equally often overestimate, as well as underestimate, the true HC5 (95% species protection), and a 95% confidence underestimate that is almost surely on the safe side. Data can be entered interactively in ETX and saved to files. One can also compose data files with a text editor and read them in with ETX. Next to the computation of Hazardous Concentrations, one can calculate the hazard to the biological community at given levels of exposure, i.e. environmental concentrations. All results can be saved to files, for later printout, or study.
Publisher:
Rijksinstituut voor Volksgezondheid en Milieu RIVM
Issue Date:
31-May-1993
URI:
http://hdl.handle.net/10029/10411
Additional Links:
http://www.rivm.nl/bibliotheek/rapporten/719102015.html
Language:
en
Series/Report no.:
RIVM Rapport 719102015
Appears in Collections:
RIVM reports - old archive

Full metadata record

DC FieldValue Language
dc.contributor.authorAldenberg Ten_US
dc.date.accessioned2007-03-09T17:18:04Z-
dc.date.available2007-03-09T17:18:04Z-
dc.date.issued1993-05-31en_US
dc.identifier719102015en_US
dc.identifier.urihttp://hdl.handle.net/10029/10411-
dc.description.abstractETX (EcoToX) is a computer program for MS-DOS computers for the extrapolation of laboratory toxicity data to environmental concentrations that are safe for the majority of the biological species. It is based on the theory of Van Straalen and Denneman (1989), as modified by Aldenberg and Slob (1993). The estimates of the so-called Hazardous Concentrations can be given on two levels of confidence: a median estimate that in the long run will equally often overestimate, as well as underestimate, the true HC5 (95% species protection), and a 95% confidence underestimate that is almost surely on the safe side. Data can be entered interactively in ETX and saved to files. One can also compose data files with a text editor and read them in with ETX. Next to the computation of Hazardous Concentrations, one can calculate the hazard to the biological community at given levels of exposure, i.e. environmental concentrations. All results can be saved to files, for later printout, or study.en
dc.format.extent3244000 bytesen_US
dc.format.extent3321550 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen_US
dc.publisherRijksinstituut voor Volksgezondheid en Milieu RIVMen_US
dc.relation.ispartofseriesRIVM Rapport 719102015en_US
dc.relation.urlhttp://www.rivm.nl/bibliotheek/rapporten/719102015.htmlen_US
dc.subject.othertoxische stoffenen
dc.subject.otherecotoxicologieen
dc.subject.othernoecen
dc.subject.otherstatistische extrapolatie; schadelijke milieuconcentratiesen
dc.subject.othernormstellingen
dc.subject.othervan straalen methodeen
dc.subject.otherlogistische verdelingen
dc.subject.othertoxic substancesen
dc.subject.otherecotoxicologyen
dc.subject.othernoec; statistical extrapolationen
dc.subject.otherhazardous concentrationsen
dc.subject.otherenvironmental standardsen
dc.subject.othervan straalen methoden
dc.subject.otherlogistic distributionen
dc.titleETX 1.3a: A program to calculate confidence limits for hazardous concentrations based on small samples of toxicity dataen_US
dc.title.alternative[ETX 1.3a: Een computerprogramma voor het berekenen van betrouwbaarheidsgrenzen voor schadelijke concentraties, op basis van kleine steekproeven van toxiciteitsgegevens.]en_US
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