Reader's Guide Silicon Dioxide & Silica Gel

CRM: James Parker

EPA/OPPTS/OPP/SRRD

Reader's Guide to the Silicon Dioxide & Silica Gel E-docket \#
EPA-HQ-OPP-2007-1140

Publication Date: March 26, 2008

> EPA has created this document to provide an organizational structure
> to the Silicon Dioxide & Silica Gel E-docket. The docket index lists
> the caption entries sequentially, while this document lists them by
> subject matter. The Agency is providing the "Readers Guide" to allow
> the reader to more easily access and navigate the various entries
> contained in the Silicon Dioxide & Silica Gel E-docket.

**Federal Register and Docket Organization Documents:**

**Docket Entry 1.** Federal Register Notice: Silicon dioxide and Silica
gel Registration Review document, Risk Assessments and Related
documents; Notice of Availability (March 26, 2008)

*This notice announces that the risk assessments are available for
public review and comment.*

**Docket Entry 2.** Reader's Guide to the Silicon dioxide and Silica gel
E-docket# EPA-HQ-OPP-2007-1140 (March 26, 2008)

*This document is an index which lists all documents available in the
docket to assist the readers in locating information.*

**Docket Entry 3.** Silicon dioxide and Silica gel: Registration Review
Summary document (March 14, 2008)

*This document discusses the Agency's Preliminary Work Plan for Silicon
Dioxide & Silica Ge*l *and summarizes the uses, health effects, and
ecological effects.*

**Usage**

**Docket Entry 4.** Silicon dioxide and Silica gel: Screening Level
Usage Data

(August 08, 2007)

*This document estimates Silicon Dioxide & Silica Gel usage on
agricultural crops in the United States.*

**Ecological Risk Assessment Documents**

**Docket Entry 5.** Silicon Dioxide and Silica Gel Reregistration
Eligibility Decision (RED) document (September, 1991)

*This document summarizes the initial Agency assessment for silicon
dioxide and silica gel.*

**Docket Entry 6.** Overview of Ecological Risk Assessment Process in
the Office of Pesticide Programs (January, 23, 2004)

*Endangered and Threatened Species Effects and Determinations.*

**Human Health Risk Assessment Documents**

**Docket Entry 7.** November 13, 2001 and December 18, 2001 Meeting of
the IIFG

> Decision Memo. (January 31, 2002)

*Inert Ingredient Focus Group recommendations for the inert ingredients
associated with the "weathered materials" grouping.*

**Docket Entry 8.** Review of Potential Occupational and Residential
Exposure to Silicon Dioxide for the Reregistration Eligibility Document
(July 03, 1991)

*This document, summaries the potential occupational and residential
exposure risks used in the Reregistration Eligibility document for
silicon dioxide.*

**Docket Entry 9.** Review of Potential Occupational and Residential
Exposure to Silica Gel for the Reregistration Eligibility Document
((July 03, 1991))

*This document, summaries the potential occupational and residential
exposure risks used in the Reregistration Eligibility document for
silica gel.*

**Docket Entry 10.** Silicon Dioxide; Reregistration Product Chemistry
Considerations for Natural Insecto Products (August 01, 1991)

*This document describes issues related Natural Insecto Products as
described by the Agency.*

**Docket Entry 11.** Reregistration of Silicon Dioxide and Silica Gel:
Product and Residue Chemistry Considerations. (August 01, 1991)

*This document summarizes the labeling issues associated with silicon
dioxide and silica gel based on available product and residue chemistry
considerations.*