UNITED
STATES
ENVIRONMENTAL
PROTECTION
AGENCY
WASHINGTON,
D.
C.
20460
OFFICE
OF
PREVENTION,
PESTICIDES
AND
TOXIC
SUBSTANCES
October
26,
2005
MEMORANDUM
SUBJECT:
Coppers:
HED's
Response
to
Comments
Received
During
Phase
1.
Case
Numbers
0636,
0649,
4025,
and
4026.
DP
Barcode
D319172.

PC
Codes:
023401,
022901,
022702,
022703,
008001,
024405,
023503,
023501,
008101,
024401,
022501,
042401,
025601,
024403,
023104,
024407,
023306,
024409.

Regulatory
Action:
Phase
1
Reregistration
Action.
Risk
Assessment
Type:
Multiple
chemical/
no
aggregate
FROM:
Christina
Jarvis,
Risk
Assessor
Reregistration
Branch
2
Health
Effects
Division
(
7509C)

THROUGH:
Alan
Nielsen,
Branch
Senior
Scientist
Reregistration
Branch
2
Health
Effects
Division
(
7509C)

TO:
Rosanna
Louie,
Chemical
Review
Manager
Special
Review
and
Reregistration
Division
(
7508C)

Summary:

This
document
represents
the
Health
Effects
Division's
response
to
comments
received
during
Phase
1
of
the
reregistration
process
for
copper
(
case
numbers
0636,
0649,
4025,
and
4026).
A
total
of
36
comments
were
submitted
by
the
Copper
Sulfate
Task
Force
(
CSTF)
on
the
preliminary
copper
risk
assessment
(
C.
Jarvis
memo,
D319174).
These
comments
consisted
entirely
of
editorial
changes.
HED
has
carefully
reviewed
the
comments
provided
by
CSTF
on
the
preliminary
copper
risk
assessment
and
has
made
the
appropriate
changes
to
the
revised
copper
risk
assessment.
