UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

WASHINGTON, D.C.  20460

OFFICE OF

PREVENTION, PESTICIDES, AND

TOXIC SUBSTANCES

Memorandum 

DATE: 	October 7, 2008

SUBJECT: 	Transmission of Review and Reference Materials for the 

October 28 – 31, 2008 Session of the FIFRA Scientific Advisory Panel
(SAP) Entitled “Assessing Ecological Risks of Pesticides with
Persistent, Bioaccumulative and Toxic Characteristics”

FROM: 	Donald Brady, Director

Environmental Fate and Effects Division 

Office of Pesticide Programs (7507P)

TO: 		Myrta Christian, Designated Federal Official 

FIFRA Scientific Advisory Panel 

Office of Science Coordination and Policy (7201M) 

	A hard copy of a journal article and compact discs containing the
documents for the October 28 - 31, 2008 FIFRA SAP session: “Assessing
Ecological Risks of Pesticides with Persistent, Bioaccumulative and
Toxic Characteristics” are attached.  These documents include the
White Paper, which is being provided for the SAP’s review, along with
reference materials.

These documents do not contain any information protected under the
statute as Confidential Business Information (CBI).  However, the Arnot
and Gobas paper is protected by copyright.  The Environmental Fate and
Effects Division has obtained permission to photocopy and distribute
this copyrighted article for purposes of this SAP review only.   

The CDs attached contain the documents identified in Appendix 1.  We
have provided access to additional references in Appendix 2, which
provides links to the ecological test guidelines.

Please feel free to call upon us if you have any questions or need
additional references.  Please note that we would have to seek
permission to photocopy and distribute any journal articles.

Appendix 1.  List of Review and Reference Documents 

Review Document	File Name	Source	Author(s)	Date

White Paper on Methods for Assessing Ecological Risks of Pesticides with
Persistent, Bioaccumulative and Toxic Characteristics
SAP_PBT_White_Paper_Final_Oct_7_08d.pdf	Disk 1	US EPA	October 7, 2008

Appendix C, Part 2 (PRZM/EXAMS Output for Example Pesticides	Appendix
C_Part 2.pdf	Disk 1	US EPA	October 7, 2008

Reference Documents

	Author(s)	Date

Overview of the Ecological Risk Assessment Process in the Office of
Pesticide Programs, US Environmental Protection Agency

	Overview Doc 2004	Disk 2	US EPA

	January 23, 2004



PRZM-3, A Model for Predicting Pesticide and Nitrogen Fate in the Crop
Root and Unsaturated Soil Zones:  Users Manual for Release 3.12.2

	PRZM.pdf	Disk 2	US  EPA

	September 2005



Exposure Analysis Modeling System (EXAMS):  User Manual and System
Documentation

	ExamsRevG.

Pdf	Disk 2	US EPA

	May 2004



User Manual for EXPRESS, the “EXAMS-PRZM Exposure Simulation Shell”

	Express.pdf	Disk 2	US EPA

	September 2006



Soil and Water Assessment Tool Theoretical Documentation, Version 2005

	SWAT_Theory.

Pdf	Disk 2	USDA

	January 2005



Methodology for Deriving Ambient Water Quality Criteria for the
Protection of Human Health 

	Methodology	Disk 2	US EPA

	December 2000



OECD GUIDELINE - Hydrolysis as a Function of pH

	111EHydrolysis Final.pdf	Disk 2	OECD

	April 13, 2004



OECD GUIDELINE - Aerobic and Anaerobic Transformation in Aquatic
Sediment Systems

	308 Aerobic and Anaerobic Transformation in Aquatic Sediment
Systems.pdf	Disk 2	OECD	April 24, 2002



OECD GUIDELINE - Aerobic and Anaerobic Transformation in Soil	307
Aerobic and Anaerobic Transformation in Soil.pdf	Disk 2	OECD

	April 24, 2002



OECD GUIDELINE – Leaching in Soil Columns

	312 Soil Column Leaching.pdf	Disk 2	OECD

	April 13, 2004



OECD GUIDELINE - Adsorption - Desorption Using a Batch Equilibrium
Method

	106 Adsorption Desorption Using a Bach Equilibrium Method.pdf	Disk 2
OECD

	January 21, 2000



OECD GUIDELINE - PROPOSAL FOR UPDATING GUIDELINE 305

Bioconcentration: Flow-through Fish Test

	305 Bioconcentration Flowthrough Fish Test. pdf	Disk 2	OECD

	June 14, 1996



NAFTA Guidance Document

For Conducting Terrestrial Field Dissipation Studies

	Terrestrial_field_

dissipation_guidance.

pdf	Disk 2	US EPA and PMRA

	March 31, 2006



Pesticide Assessment Guidelines, Subdivision N, Chemistry Requirements,
Environmental Fate

	Subdivision N_ Pesticide Assessment Guidelines.pdf	Disk 2	US EPA

	August 30, 1982



A Food Web Bioaccumulation Model for Organic Chemicals in Aquatic
Ecosystems.  Environmental Toxicology and Chemistry 23(1):2343-2355.

	-----	Hard Copy	Arnot, J.A.  and A.P.C. Gobas

	2004



USEPA Science Advisory Board Consultation Document Proposed Revisions to
Aquatic Life Guidelines Tissue-Based Criteria for “Bioaccumulative”
Chemicals	Aquatic Life Criteria Guidelines_Tissue_08-26-05.pdf	Disk 1
USEPA, Office of Water	2005

CEMC. 2007. Users Guide: Canadian Environmental Modeling Centre

Water Quality Model and the Simon Fraser University Food Web Model
AGRO_UserGuide.pdf	Disk 1	Canadian Environmental Modeling Center
September 11, 2007



PRZM-AGRO SHELL VERSION 1.2f

RELEASE AND INSTALLATION NOTES	PA5releasenotes.pdf	Disk 1	Canadian
Environmental Modeling Center	January 24, 2008

Appendix 2:  Links to the Test Guideline Reference Documents

1. OPPTS Ecological Effects Test Guidelines: 

If a Panel member would like to review any of the ecological effects
test guidelines, the following link may be used:

  HYPERLINK
"http://www.epa.gov/opptsfrs/publications/OPPTS_Harmonized/850_Ecologica
l_Effects_Test_Guidelines/index.html"  850 - Ecological Effects Test
Guidelines   

2. USDA Agricultural Non-Point Source Pollution Model (AGNPS):

  HYPERLINK
"http://www.wsi.nrcs.usda.gov/products/w2q/h&h/tools_models/agnps/index.
html" 
http://www.wsi.nrcs.usda.gov/products/w2q/h&h/tools_models/agnps/index.h
tml 

3. USEPA Water Quality Analysis Simulation Program (WASP) Model:

  HYPERLINK "http://www.epa.gov/ATHENS/research/modeling/wasp.html" 
http://www.epa.gov/ATHENS/research/modeling/wasp.html 

4. 2006 Science Advisory Board Response to EPA’s Proposed Revisions to
Water Quality Criteria Guidelines (includes SAB response to Tissue-based
Aquatic Life Criteria)

 

USEPA. 2006. EPA Science Advisory Board (SAB) Consultation on a Proposed
Framework for Revising the Guidelines for Deriving Water Quality
Criteria for Protection of Aquatic Life. EPA-SAB-CON-06-004.  Office of
the Administrator, Science Advisory Board, March 8, 2006    HYPERLINK
"http://yosemite.epa.gov/sab/sabproduct.nsf/784EDE989ABDFC0B85257142006B
BDCD/$File/sab-con-06-004.pdf" 
http://yosemite.epa.gov/sab/sabproduct.nsf/784EDE989ABDFC0B85257142006BB
DCD/$File/sab-con-06-004.pdf 

