Note: This information is provided for reference purposes only.
Although the information provided here was accurate and current
when first created, it is now outdated.
WORKGROUP #1 COMMENTS ON
EPA'S RISK ASSESSMENT PROCESS FOR TOLERANCE
The workgroup provided a variety of comments
and raised several issues related to the staff paper, EPA's Risk Assessment
Process for Tolerance Reassessment." These and additional written comments
received following the June 22-23 TRAC meeting will be considered in producing
the next version of this paper.
Questions and Comments
Can new information come in during exposure
assessment, before the hazard identification process?
Discuss how EPA will deal with variations in
quality of residue data in decisionmaking
Include information on assumptions, to provide
clarity on degree of conservatism of the analysis
Clarify what is included in the "residential"
category, since exposures in school settings or due to spray drift do not
appear to be covered.
Does EPA consider %crop treated in acute dietary
Need a better definition of acceptable data
quality and discussion of whether the concept of "acceptable" varies at different
points in the process
Clarify the discussion of
Number the boxes in the flowchart, to indicate
how they related to the other charts.
What happens when the risk cup is full? What
is the risk mitigation process?
What would the "perfect" database be? (At the
plate, single serving, over time, to allow for both acute and chronic exposure
Can Part 158 adequately produce information
on the effects on children?
Does the statute allow for consideration of
%crop treated in acute risk assessment?
Should OPP be using NOEL or NOAEL?
| OPP Home |
EPA Home |
Site Map |
Search OPP |
updated April 13, 1999