A-Z List of Substances

The substances in IRIS are listed in order alphabetically by the substance name. You can click on the Alphabetical letter corresponding to the chemicals beginning with that letter to list the relevant substances, or use your browser's "Find" command to search for a substance name or Chemical Abstracts Service Registry Number (CASRN).

The IRIS Program does not currently develop updated assessments for registered pesticides unless the registered pesticides also have non-pesticide uses. The IRIS user should consult OPP Reregistration Eligibility Decision (RED) documents prepared by the Office of Pesticide Programs for additional health assessment information (see link provided in the OPP Reregistration Eligibility Decision (RED) column below).

(To search the IRIS database, use Advanced Search)

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* Refers to the most recent statement of or change to a toxicity value [RfD, RfC, slope factor or unit risk], or most recent significant statement of or change to the basis or justification for the conclusions in the assessment. This column is provided for the convenience of the IRIS user. For specific information, see the Revision History for each substance.

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Displaying 5 Substances:

Substance Name	QuickView	IRIS Summary	Literature Screening Review	CASRN	Last Significant Revision*	OPP Reregistration Eligibility Decision (RED)
Radium 226,228			Yes	7440-14-4	01/01/1989
Radon 222			Yes	14859-67-7	07/01/1989
Refractory ceramic fibers	$QuickView for Refractory ceramic fibers$	$IRIS Summary for Refractory ceramic fibers$			09/01/1992
Resmethrin			Yes	10453-86-8	09/26/1988	(PDF 102 pp, 2.07 M)
Rotenone			Yes	83-79-4	09/07/1988	(PDF 44 pp, 332 K)

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A-Z List of Substances

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