Document ID: EPA-HQ-OW-2004-0041-0003
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2005-02-01T05:00Z

26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Statement
of
the
Statement
of
the
Inter
Inter­
Industry
Analytical
Group
Industry
Analytical
Group
Given
by:

Given
by:

John
H.
Phillips
John
H.
Phillips
The
Ford
Motor
Company
The
Ford
Motor
Company
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Inter
Inter­
Industry
Analytical
Group
Industry
Analytical
Group

ALCOA
ALCOA

Alliance
of
Automobile
Manufactures
Alliance
of
Automobile
Manufactures

American
Chemical
council
American
Chemical
council

American
Forest
&
Paper
Association
American
Forest
&
Paper
Association

American
Petroleum
Institute
American
Petroleum
Institute

General
Electric
General
Electric

Utility
Water
Act
Group
Utility
Water
Act
Group
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Situation
Assessment
Report
Situation
Assessment
Report
by
Triangle
Associates
by
Triangle
Associates
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Situation
Assessment
Report
Situation
Assessment
Report
by
Triangle
Associates
by
Triangle
Associates

Pressing
need
to
address
detection
Pressing
need
to
address
detection
and
quantification
issues
and
quantification
issues
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Situation
Assessment
Report
Situation
Assessment
Report
by
Triangle
Associates
by
Triangle
Associates

Pressing
need
to
address
detection
Pressing
need
to
address
detection
and
quantification
issues
and
quantification
issues

EPA
should
consider
the
views
of
EPA
should
consider
the
views
of
stakeholders
stakeholders
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Situation
Assessment
Report
Situation
Assessment
Report
by
Triangle
Associates
by
Triangle
Associates

Pressing
need
to
address
detection
Pressing
need
to
address
detection
and
quantification
issues
and
quantification
issues

EPA
should
consider
the
views
of
EPA
should
consider
the
views
of
stakeholders
stakeholders

Need
to
achieve
a
consensus
Need
to
achieve
a
consensus
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Situation
Assessment
Report
Situation
Assessment
Report
by
Triangle
Associates
by
Triangle
Associates

Pressing
need
to
address
detection
Pressing
need
to
address
detection
and
quantification
issues
and
quantification
issues

EPA
should
consider
the
views
of
EPA
should
consider
the
views
of
stakeholders
stakeholders

Need
to
achieve
a
consensus
(
or
as
Need
to
achieve
a
consensus
(
or
as
close
as
possible)

close
as
possible)

Must
consider
how
DL
&
QL
are
used
Must
consider
how
DL
&
QL
are
used
in
the
regulatory
process
in
the
regulatory
process
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Situation
Assessment
Report
Situation
Assessment
Report
by
Triangle
Associates
by
Triangle
Associates

Use
scientifically
sound
principles
Use
scientifically
sound
principles
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Situation
Assessment
Report
Situation
Assessment
Report
by
Triangle
Associates
by
Triangle
Associates

Use
scientifically
sound
principles
Use
scientifically
sound
principles

Approach
must
be
:

Approach
must
be
:
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Situation
Assessment
Report
Situation
Assessment
Report
by
Triangle
Associates
by
Triangle
Associates

Use
scientifically
sound
principles
Use
scientifically
sound
principles

Approach
must
be
:

Approach
must
be
:

 
Easy
to
apply
Easy
to
apply
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Situation
Assessment
Report
Situation
Assessment
Report
by
Triangle
Associates
by
Triangle
Associates

Use
scientifically
sound
principles
Use
scientifically
sound
principles

Approach
must
be
:

Approach
must
be
:

 
Easy
to
apply
Easy
to
apply
 
Practical
Practical
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Situation
Assessment
Report
Situation
Assessment
Report
by
Triangle
Associates
by
Triangle
Associates

Use
scientifically
sound
principles
Use
scientifically
sound
principles

Approach
must
be
:

Approach
must
be
:

 
Easy
to
apply
Easy
to
apply
 
Practical
Practical
 
Cost
Cost­
Effective
Effective
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Situation
Assessment
Report
Situation
Assessment
Report
by
Triangle
Associates
by
Triangle
Associates

Use
scientifically
sound
principles
Use
scientifically
sound
principles

Approach
must
be
:

Approach
must
be
:

 
Easy
to
apply
Easy
to
apply
 
Practical
Practical
 
Cost
Cost­
Effective
Effective
 
Uniform
across
the
nation
Uniform
across
the
nation
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Consensus
Principles
Consensus
Principles
­
Undersigned
Undersigned
1.

1.
Advanced
Earth
Technologies,
Inc
Advanced
Earth
Technologies,
Inc
2.

2.
Alliance
of
Automobile
Manufactures
Alliance
of
Automobile
Manufactures
3.

3.
American
Bakers
Association
American
Bakers
Association
4.

4.
American
Chemistry
Council
American
Chemistry
Council
5.

5.
American
Council
of
Independent
Laboratories
American
Council
of
Independent
Laboratories
6.

6.
American
Forest
&
Paper
Association
American
Forest
&
Paper
Association
7.

7.
American
Petroleum
Institute
American
Petroleum
Institute
8.

8.
American
Public
Power
Association
American
Public
Power
Association
9.

9.
American
Water
Works
Association
American
Water
Works
Association
10.

10.
Association
of
California
Water
Agencies
Association
of
California
Water
Agencies
11.

11.
AMSA
AMSA
12.

12.
Coalition
for
Effective
Environmental
Information
Coalition
for
Effective
Environmental
Information
13.

13.
Duke
Energy
Duke
Energy
14.

14.
East
Bay
Municipal
Utility
District
East
Bay
Municipal
Utility
District
15.

15.
Edison
Electric
Institute
Edison
Electric
Institute
16.

16.
Exelon
Exelon
Power
Power
17.

17.
Federal
Water
Quality
Coalition
Federal
Water
Quality
Coalition
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Consensus
Principles
Consensus
Principles
­
Undersigned
Undersigned
18.

18.
Florida
Power
&
Light
Company
Florida
Power
&
Light
Company
19.

19.
Los
Angles
Department
of
Water
and
Power
Los
Angles
Department
of
Water
and
Power
20.

20.
LG&
E
Energy
LG&
E
Energy
21.

21.
Laboratory
Accreditation
Work
Group
Laboratory
Accreditation
Work
Group
22.

22.
Mid
American
Crop
Life
Association
Mid
American
Crop
Life
Association
23.

23.
Michigan
Environmental
Laboratory
Association
Michigan
Environmental
Laboratory
Association
24.

24.
National
Mining
Association
National
Mining
Association
25.

25.
National
Rural
Electric
Cooperative
Association
National
Rural
Electric
Cooperative
Association
26.

26.
Southern
Company
Southern
Company
27.

27.
Standard
Methods
for
the
Examination
of
Water
and
Standard
Methods
for
the
Examination
of
Water
and
Wastewater
Wastewater
28.

28.
TXU
Energy
Company
TXU
Energy
Company
29.

29.
Utility
Water
Act
Group
Utility
Water
Act
Group
30.

30.
VA
AWWA/
VWEA
Laboratory
Practice
Committee
VA
AWWA/
VWEA
Laboratory
Practice
Committee
31.

31.
Waste
Management,
Inc.

Waste
Management,
Inc.

32.

32.
Water
Environment
Federation
Water
Environment
Federation
33.

33.
Western
Coalition
of
Arid
States
Western
Coalition
of
Arid
States
34.

34.
WESTCAS
WESTCAS
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

Detection
level
and
Detection
level
and
quantitation
quantitation
level
must
level
must
be
based
on
be
based
on
sound
scientific
principles
sound
scientific
principles
and
take
into
consideration:

and
take
into
consideration:
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

Detection
level
and
Detection
level
and
quantitation
quantitation
level
must
level
must
be
based
on
be
based
on
sound
scientific
principles
sound
scientific
principles
and
take
into
consideration:

and
take
into
consideration:

a.

a.
IUPAC
definitions
for
L
IUPAC
definitions
for
L
C,
L
,
L
D
and
L
and
L
Q
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

Detection
level
and
Detection
level
and
quantitation
quantitation
level
must
level
must
be
based
on
be
based
on
sound
scientific
principles
sound
scientific
principles
and
take
into
consideration:

and
take
into
consideration:

a.

a.
IUPAC
definitions
for
L
IUPAC
definitions
for
L
C,
L
,
L
D
and
L
and
L
Q
b.

b.
Acceptable
False
Positive
&
Negative
error
rate
Acceptable
False
Positive
&
Negative
error
rate
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

Detection
level
and
Detection
level
and
quantitation
quantitation
level
must
level
must
be
based
on
be
based
on
sound
scientific
principles
sound
scientific
principles
and
take
into
consideration:

and
take
into
consideration:

a.

a.
IUPAC
definitions
for
L
IUPAC
definitions
for
L
C,
L
,
L
D
and
L
and
L
Q
b.

b.
Acceptable
False
Positive
&
Negative
error
rate
Acceptable
False
Positive
&
Negative
error
rate
c.

c.
Precision,
bias
and
qualitative
identification
Precision,
bias
and
qualitative
identification
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

Detection
level
and
Detection
level
and
quantitation
quantitation
level
must
level
must
be
based
on
be
based
on
sound
scientific
principles
sound
scientific
principles
and
take
into
consideration:

and
take
into
consideration:

a.

a.
IUPAC
definitions
for
L
IUPAC
definitions
for
L
C,
L
,
L
D
and
L
and
L
Q
b.

b.
Acceptable
False
Positive
&
Negative
error
rate
Acceptable
False
Positive
&
Negative
error
rate
c.

c.
Precision,
bias
and
qualitative
identification
Precision,
bias
and
qualitative
identification
d.

d.
Variability
and
bias
of
method
blanks
Variability
and
bias
of
method
blanks
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

Detection
level
and
Detection
level
and
quantitation
quantitation
level
must
level
must
be
based
on
be
based
on
sound
scientific
principles
sound
scientific
principles
and
take
into
consideration:

and
take
into
consideration:

a.

a.
IUPAC
definitions
for
L
IUPAC
definitions
for
L
C,
L
,
L
D
and
L
and
L
Q
b.

b.
Acceptable
False
Positive
&
Negative
error
rate
Acceptable
False
Positive
&
Negative
error
rate
c.

c.
Precision,
bias
and
qualitative
identification
Precision,
bias
and
qualitative
identification
d.

d.
Variability
and
bias
of
method
blanks
Variability
and
bias
of
method
blanks
e.

e.
Ongoing
demonstration
of
sensitivity
Ongoing
demonstration
of
sensitivity
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

Since
Since
quantitation
quantitation
levels
are
used
as
levels
are
used
as
regulatory
compliance
regulatory
compliance
levels
in
NPDES
levels
in
NPDES
permits
the
following
must
be
considered:

permits
the
following
must
be
considered:
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

Since
Since
quantitation
quantitation
levels
are
used
as
levels
are
used
as
regulatory
compliance
regulatory
compliance
levels
in
NPDES
levels
in
NPDES
permits
the
following
must
be
considered:

permits
the
following
must
be
considered:

a.

a.
No
use
for
single
results
between
DL
&
QL
No
use
for
single
results
between
DL
&
QL
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

Since
Since
quantitation
quantitation
levels
are
used
as
levels
are
used
as
regulatory
compliance
regulatory
compliance
levels
in
NPDES
levels
in
NPDES
permits
the
following
must
be
considered:

permits
the
following
must
be
considered:

a.

a.
No
use
for
single
results
between
DL
&
QL
No
use
for
single
results
between
DL
&
QL
b.

b.
Routine
laboratory
variability
over
time
Routine
laboratory
variability
over
time
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

Since
Since
quantitation
quantitation
levels
are
used
as
levels
are
used
as
regulatory
compliance
regulatory
compliance
levels
in
NPDES
levels
in
NPDES
permits
the
following
must
be
considered:

permits
the
following
must
be
considered:

a.

a.
No
use
for
single
results
between
DL
&
QL
No
use
for
single
results
between
DL
&
QL
b.

b.
Routine
laboratory
variability
over
time
Routine
laboratory
variability
over
time
c.

c.
Significant
figures
and
rounding
Significant
figures
and
rounding
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

Since
Since
quantitation
quantitation
levels
are
used
as
levels
are
used
as
regulatory
compliance
regulatory
compliance
levels
in
NPDES
levels
in
NPDES
permits
the
following
must
be
considered:

permits
the
following
must
be
considered:

a.

a.
No
use
for
single
results
between
DL
&
QL
No
use
for
single
results
between
DL
&
QL
b.

b.
Routine
laboratory
variability
over
time
Routine
laboratory
variability
over
time
c.

c.
Significant
figures
and
rounding
Significant
figures
and
rounding
d.

d.
Interlaboratory
Interlaboratory
variability
variability
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

Since
Since
quantitation
quantitation
levels
are
used
as
levels
are
used
as
regulatory
compliance
regulatory
compliance
levels
in
NPDES
levels
in
NPDES
permits
the
following
must
be
considered:

permits
the
following
must
be
considered:

a.

a.
No
use
for
single
results
between
DL
&
QL
No
use
for
single
results
between
DL
&
QL
b.

b.
Routine
laboratory
variability
over
time
Routine
laboratory
variability
over
time
c.

c.
Significant
figures
and
rounding
Significant
figures
and
rounding
d.

d.
Interlaboratory
Interlaboratory
variability
variability
e.

e.
Matrix
effects
Matrix
effects
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

The
specific
The
specific
regulatory
uses
regulatory
uses
for
for
detection
and
detection
and
quantitation
quantitation
levels
must
be
levels
must
be
considered
considered
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Key
Consensus
Principles
on
Key
Consensus
Principles
on
Detection
and
Detection
and
Quantitation
Quantitation
Levels
Levels

The
specific
The
specific
regulatory
uses
regulatory
uses
for
for
detection
and
detection
and
quantitation
quantitation
levels
must
be
levels
must
be
considered
considered

EPA
must
strive
for
EPA
must
strive
for
consistency
consistency
across
across
all
EPA
offices
all
EPA
offices
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Consensus
Principles
Workgroups
Consensus
Principles
Workgroups

Detection
Detection
 
Definition
Definition
 
Regulatory
Uses
Regulatory
Uses
 
Key
Principles
Key
Principles
 
Proposed
Procedure
Proposed
Procedure
 
Testing
Procedure
Testing
Procedure

Quantitation
Quantitation
 
Definition
Definition
 
Regulatory
Uses
Regulatory
Uses
 
Key
Principles
Key
Principles
 
Proposed
Procedure
Proposed
Procedure
 
Tested
Procedure
Tested
Procedure
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Conclusion
Conclusion

IIAG
ready
to
commit
time
and
IIAG
ready
to
commit
time
and
resources
to
reach
consensus
resources
to
reach
consensus
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Conclusion
Conclusion

IIAG
ready
to
commit
time
and
IIAG
ready
to
commit
time
and
resources
to
reach
consensus
resources
to
reach
consensus

Considerable
work
has
already
been
Considerable
work
has
already
been
done
to
begin
this
process
done
to
begin
this
process
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Conclusion
Conclusion

IIAG
ready
to
commit
time
and
IIAG
ready
to
commit
time
and
resources
to
reach
consensus
resources
to
reach
consensus

Considerable
work
has
already
been
Considerable
work
has
already
been
done
to
begin
this
process
done
to
begin
this
process

Hope
to
present
our
ideas
and
data
Hope
to
present
our
ideas
and
data
to
the
FACA
to
the
FACA
26
January
2005
26
January
2005
EPA
Public
Meeting
on
DL/
QL
EPA
Public
Meeting
on
DL/
QL
Conclusion
Conclusion

IIAG
ready
to
commit
time
and
IIAG
ready
to
commit
time
and
resources
to
reach
consensus
resources
to
reach
consensus

Considerable
work
has
already
been
Considerable
work
has
already
been
done
to
begin
this
process
done
to
begin
this
process

Hope
to
present
our
ideas
and
data
Hope
to
present
our
ideas
and
data
to
the
FACA
to
the
FACA

Confident
that
a
suitable
approach
Confident
that
a
suitable
approach
consistent
with
international
consistent
with
international
definitions
can
be
achieved
definitions
can
be
achieved