CERTIFIED
MAIL
 
Return
Receipt
Requested
July
24,
2006
Document
Control
Office
Office
of
Pollution
Prevention
and
Toxics
EPA
East
Room
6428
US
Environmental
Protection
Agency
1200
Pennsylvania
Avenue,
NW
Washington,
DC
20460
Re:
EPA
 
HQ
 
OPPT
 
2003
­
0012
DuPont
Chambers
Works
NJPDES
Permit
No.
NJ0005100
PFOA
Data
Submittal
 
Outfall
DSN662
Weekly
Grab
Samples
April
2006
Sample
Data
Dear
Document
Control
Office,

As
per
Part
IV,
Section
G.
5.
a
of
the
NJPDES
permit,
we
are
submitting
a
summary
of
PFOA
analytical
results
for
the
weekly
grab
samples
taken
at
internal
outfall
DSN662A
to
NJDEP
on
a
monthly
basis.
Per
your
request,
we
are
sending
you
a
paper
and
electronic
copy
of
the
report
for
samples
taken
during
April
2006.
We
will
continue
to
send
you
the
reports
each
month.

If
you
have
any
questions,
please
do
not
hesitate
to
call
me
at
(
856)
540­
3105.

Sincerely,

Karen
L.
Coates
SET
Environmental
Coordinator
DuPont
Chambers
Works
Enclosures
Copies
to:

Director,
Chemical
Control
Division
Office
of
Pollution
Prevention
and
Toxics
EPA
East
Room
4146
US
Environmental
Protection
Agency
1201
Constitution
Avenue,
NW
Washington,
DE
20004
Ms.
Susan
Rosenwinkel
(
cover
letter
only)
Principal
Environmental
Engineer
NJDEP
Division
of
Water
Quality
Bureau
of
Point
Source
Permitting
 
Region
2
401
E.
State
Street
P.
O.
Box
029
Trenton,
NJ
08625­
0029
