To
evaluate
the
ability
of
select
coatings
to
reduce
the
amount
of
dislodgeable
arsenic
on
the
surfaces
of
chromated
copper
arsenate
(
CCA)
treated
wood,
and
to
screen
a
variety
of
commercially
available
wood
coatings
for
their
efficacy
in
reducing
dislodgeable
arsenic
from
new
and
aged
CCA­
treated
wood,
EPA
developed
two
sealant
protocol
documents
for
external
peer
review:
Evaluation
of
the
Effectiveness
of
Coatings
in
Reducing
Dislodgeable
Arsenic
from
CCA­
Treated
Wood,
Quality
Assurance
Project
Plan,
Category
II/
Sampling
and
Analysis
Draft,
Revision
1.2,
March
27,
2003,
and
Screening
and
Selection
of
Coatings
for
Reducing
Dislodgeable
Arsenic
from
CCA
Treated
Wood,
Quality
Assurance
Project
Plan,
Category
III/
Sampling
and
Analysis
Draft,
Revision
1.2,
March
27,
2003.
The
Testimony
of
Jack
E.
Housenger,
Deputy
Director
of
the
Antimicrobials
Division,
Office
of
Pesticide
Programs,
EPA,
before
the
US
Consumer
Product
Safety
Commission,
March
17,
2003,
is
also
provided
for
additional
background,
as
are
the
Questions
for
External
Peer
Reviewers
(
3/
26/
2003).
Copies
of
the
Agency
Letters
which
were
sent
to
external
peer
reviewers
(
March
27,
2003)
are
also
included.

Susan
Laing
Antimicrobials
Division,
Office
of
Pesticide
Programs
(
7510C)
U.
S.
Environmental
Protection
Agency
1200
Pennsylvania
Avenue,
NW
Washington,
D.
C.
20460
phone:
703
308
0152
fax:
703
308
6467
laing.
susan@
epa.
gov
