Document ID: EPA-HQ-OW-2003-0003-0017
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2003-03-12T05:00Z

Relative
Standard
DeviationAAMA
Metals
Data
APPENDIX
B
­
5
­
2
Page
1
of
13
Relative
Standard
Deviation
vs
Spike
Concentrations
(
Log­
10
Scale)

(
Matrix
A,
Method
EPA
200.7
ICP/
AES)

Lab:
1Lab:
1
ALUMINUM,
UG/
LALUMINUM,
L
70
60
80
60
50
Lab:
3Lab:
3
ALUMINUM,
UG/
LALUMINUM,
L
50
60
40
40
30
40
30
20
20
Lab:
2Lab:
2
ALUMINUM,
UG/
LALUMINUM,
L
20
10
10
0
012
012
012
180
Lab:
4Lab:
4
ALUMINUM,
UG/
LALUMINUM,
L
Lab:
5Lab:
5
ALUMINUM,
UG/
LALUMINUM,
L
35
160
30
140
15
25
120
20
100
10
1580
Lab:
6Lab:
6
ALUMINUM,
UG/
LALUMINUM,
L
60
10
5
40
5
0
1
2
0
1
2
0
1
2
140
200
Lab:
7Lab:
7
ALUMINUM,
UG/
LALUMINUM,
L
150
Lab:
8Lab:
8
ALUMINUM,
UG/
LALUMINUM,
L
120
Lab:
9Lab:
9
ALUMINUM,
UG/
LALUMINUM,
L
100
100
100
80
60
0
50
40
0
20
012
012
012
Log­
10
of
Spike
Concentration
Relative
Standard
DeviationAAMA
Metals
Data
Page
2
of
13
Relative
Standard
Deviation
vs
Spike
Concentrations
(
Log­
10
Scale)

(
Matrix
A,
Method
EPA
200.7
ICP/
AES)

3000
140
300
120
2500
250
100
2000
200
80
1500
150
60
1000
100
40
20
500
50
0
0
0
0.0
0.5
1.0
1.5
2.0
2.5
0.0
0.5
1.0
1.5
2.0
2.5
0.0
0.5
1.0
1.5
2.0
2.5
(
o)
Lab:
2Lab:
2
ARSENIC,
UG/
LARSENIC,
L
open
circle:
positive
of
negative
RSD
value
(
o)
Lab:
3Lab:
3
ARSENIC,
UG/
LARSENIC,
L
open
circle:
positive
of
negative
RSD
value
Lab:
1Lab:
1
ARSENIC,
UG/
LARSENIC,
L
(
o)
Lab:
4Lab:
4
ARSENIC,
UG/
LARSENIC,
L
open
circle:
positive
of
negative
RSD
value
300
1000
250
250
800
200
200
600
150
150
400
100
100
200
50
50
0
0
0
0.0
0.5
1.0
1.5
2.0
2.5
0.0
0.5
1.0
1.5
2.0
2.5
0.0
0.5
1.0
1.5
2.0
2.5
Lab:
6Lab:
6
ARSENIC,
UG/
LARSENIC,
L
(
o)
Lab:
5Lab:
5
ARSENIC,
UG/
LARSENIC,
L
open
circle:
positive
of
negative
RSD
value
2500
300
300
(
o)
Lab:
7Lab:
7
ARSENIC,
UG/
LARSENIC,
L
open
circle:
positive
of
negative
RSD
value
(
o)
Lab:
8Lab:
8
ARSENIC,
UG/
LARSENIC,
L
open
circle:
positive
of
negative
RSD
value
2000
200
1500
200
1000
100
100
500
000
0.0
0.5
1.0
1.5
2.0
2.5
0.0
0.5
1.0
1.5
2.0
2.5
0.0
0.5
1.0
1.5
2.0
2.5
Lab:
9Lab:
9
ARSENIC,
UG/
LARSENIC,
L
Tue
May
7
16:
55:
00
2002
Log­
10
of
Spike
Concentration
c:/
pw/
ostmdl/
req005/
r005sd2.
s
Relative
Standard
DeviationAAMA
Metals
Data
Page
3
of
13
Relative
Standard
Deviation
vs
Spike
Concentrations
(
Log­
10
Scale)

(
Matrix
A,
Method
EPA
200.7
ICP/
AES)

1200
(
o)
(
o)

Lab:
1Lab:
1
CADMIUM,
UG/
LCADMIUM,
L
open
circle:
positive
of
negative
RSD
value
800
300
1000
250
600
800
200
Lab:
2Lab:
2
CADMIUM,
UG/
LCADMIUM,
L
Lab:
3Lab:
3
CADMIUM,
UG/
LCADMIUM,
L
600
400
150
400
100
200
200
50
0
0
0
­
1.0
­
0.5
0.0
0.5
1.0
1.5
2.0
­
1.0
­
0.5
0.0
0.5
1.0
1.5
2.0
­
1.0
­
0.5
0.0
0.5
1.0
1.5
2.0
300
(
o)
(
o)
(
o)

Lab:
4Lab:
4
CADMIUM,
UG/
LCADMIUM,
L
open
circle:
positive
of
negative
RSD
value
300
(
o)
Lab:
5Lab:
5
CADMIUM,
UG/
LCADMIUM,
L
open
circle:
positive
of
negative
RSD
value
150
200
200
100
100
100
50
000
­
1.0
­
0.5
0.0
0.5
1.0
1.5
2.0
­
1.0
­
0.5
0.0
0.5
1.0
1.5
2.0
­
1.0
­
0.5
0.0
0.5
1.0
1.5
2.0
Lab:
6Lab:
6
CADMIUM,
UG/
LCADMIUM,
L
400
300
400
250
300
(
o)
(
o)

Lab:
9Lab:
9
CADMIUM,
UG/
LCADMIUM,
L
open
circle:
positive
of
negative
RSD
value
200
300
200
150
200
100
100
100
50
0
(
o)
(
o)

Lab:
7Lab:
7
CADMIUM,
UG/
LCADMIUM,
L
open
circle:
positive
of
negative
RSD
value
0
(
o)
Lab:
8Lab:
8
CADMIUM,
UG/
LCADMIUM,
L
open
circle:
positive
of
negative
RSD
value
0
­
1.0
­
0.5
0.0
0.5
1.0
1.5
2.0
­
1.0
­
0.5
0.0
0.5
1.0
1.5
2.0
­
1.0
­
0.5
0.0
0.5
1.0
1.5
2.0
Tue
May
7
16:
55:
02
2002
Log­
10
of
Spike
Concentration
c:/
pw/
ostmdl/
req005/
r005sd2.
s
Relative
Standard
DeviationAAMA
Metals
Data
Page
4
of
13
Relative
Standard
Deviation
vs
Spike
Concentrations
(
Log­
10
Scale)

(
Matrix
A,
Method
EPA
200.7
ICP/
AES)

2501000
800
800
(
o)
(
o)

Lab:
1Lab:
1
CHROMIUM,
UG/
LCHROMIUM,
L
open
circle:
positive
of
negative
RSD
value
200
600
Lab:
3Lab:
3
CHROMIUM,
UG/
LCHROMIUM,
L
600
150
400
400
100
200
50
200
00
Lab:
2Lab:
2
CHROMIUM,
UG/
LCHROMIUM,
L
0
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
600
40
Lab:
5Lab:
5
CHROMIUM,
UG/
LCHROMIUM,
L
300
400
(
o)
(
o)

Lab:
4Lab:
4
CHROMIUM,
UG/
LCHROMIUM,
L
open
circle:
positive
of
negative
RSD
value
30
200
20
200
100
10
00
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
Lab:
6Lab:
6
CHROMIUM,
UG/
LCHROMIUM,
L
1500
6000
Lab:
7Lab:
7
CHROMIUM,
UG/
LCHROMIUM,
L
Lab:
8Lab:
8
CHROMIUM,
UG/
LCHROMIUM,
L
800
5000
600
1000
4000
3000
400
2000
500
200
1000
000
(
o)
Lab:
9Lab:
9
CHROMIUM,
UG/
LCHROMIUM,
L
open
circle:
positive
of
negative
RSD
value
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
Tue
May
7
16:
55:
04
2002
Log­
10
of
Spike
Concentration
c:/
pw/
ostmdl/
req005/
r005sd2.
s
Relative
Standard
DeviationAAMA
Metals
Data
Page
5
of
13
Relative
Standard
Deviation
vs
Spike
Concentrations
(
Log­
10
Scale)

(
Matrix
A,
Method
EPA
200.7
ICP/
AES)

300
Lab:
1Lab:
1
COPPER,
UG/
LCOPPER,
L
100
100
250
80
80200
Lab:
2Lab:
2
COPPER,
UG/
LCOPPER,
L
Lab:
3Lab:
3
COPPER,
UG/
LCOPPER,
L
150
60
60
100
40
40
50
20
20
0
0
0
­
0.5
0.0
0.5
1.0
1.5
2.0
­
0.5
0.0
0.5
1.0
1.5
2.0
­
0.5
0.0
0.5
1.0
1.5
2.0
250
80
Lab:
4Lab:
4
COPPER,
UG/
LCOPPER,
L
200
200
60
150
150
40
100
100
20
Lab:
5Lab:
5
COPPER,
UG/
LCOPPER,
L
50
50
00
­
0.5
0.0
0.5
1.0
1.5
2.0
­
0.5
0.0
0.5
1.0
1.5
2.0
­
0.5
0.0
0.5
1.0
1.5
2.0
Lab:
6Lab:
6
COPPER,
UG/
LCOPPER,
L
250
200
(
o)
Lab:
8Lab:
8
COPPER,
UG/
LCOPPER,
L
open
circle:
positive
of
negative
RSD
value
250
200
150
200
150
150
100
100
100
50
Lab:
7Lab:
7
COPPER,
UG/
LCOPPER,
L
50
50
000
Lab:
9Lab:
9
COPPER,
UG/
LCOPPER,
L
­
0.5
0.0
0.5
1.0
1.5
2.0
­
0.5
0.0
0.5
1.0
1.5
2.0
­
0.5
0.0
0.5
1.0
1.5
2.0
Tue
May
7
16:
55:
06
2002
Log­
10
of
Spike
Concentration
c:/
pw/
ostmdl/
req005/
r005sd2.
s
Relative
Standard
DeviationAAMA
Metals
Data
Page
6
of
13
Relative
Standard
Deviation
vs
Spike
Concentrations
(
Log­
10
Scale)

(
Matrix
A,
Method
EPA
200.7
ICP/
AES)

200
1200
150
(
o)
(
o)

Lab:
1Lab:
1
LEAD,
UG/
LLEAD,
L
open
circle:
positive
of
negative
RSD
value
150
Lab:
2Lab:
2
LEAD,
UG/
LLEAD,
L
1000
800
100
100
600
400
50
50
200
00
Lab:
3Lab:
3
LEAD,
UG/
LLEAD,
L
012
012
012
2500
50
3000
2000
40
15002000
(
o)
Lab:
4Lab:
4
LEAD,
UG/
LLEAD,
L
open
circle:
positive
of
negative
RSD
value
30
1000
20
1000
500
10
0
Lab:
5Lab:
5
LEAD,
UG/
LLEAD,
L
0
012
012
012
(
o)
Lab:
6Lab:
6
LEAD,
UG/
LLEAD,
L
open
circle:
positive
of
negative
RSD
value
(
o)
(
o)

Lab:
7Lab:
7
LEAD,
UG/
LLEAD,
L
open
circle:
positive
of
negative
RSD
value
300
Lab:
8Lab:
8
LEAD,
UG/
LLEAD,
L
600
1200
1000
250
500
800
200
400
600
150
300
400
100
200
200
50
100
0
0
0
0
1
2
0
1
2
0
1
2
(
o)
Lab:
9Lab:
9
LEAD,
UG/
LLEAD,
L
open
circle:
positive
of
negative
RSD
value
Tue
May
7
16:
55:
08
2002
Log­
10
of
Spike
Concentration
c:/
pw/
ostmdl/
req005/
r005sd2.
s
Relative
Standard
DeviationAAMA
Metals
Data
Page
7
of
13
Relative
Standard
Deviation
vs
Spike
Concentrations
(
Log­
10
Scale)

(
Matrix
A,
Method
EPA
200.7
ICP/
AES)

400
250
600
300
(
o)
(
o)
(
o)

Lab:
2Lab:
2
MANGANESE,
UG/
LMANGANESE,
L
open
circle:
positive
of
negative
RSD
value
200
400
Lab:
1Lab:
1
MANGANESE,
UG/
LMANGANESE,
L
150
200
100
200
100
50
00
0
­
101
­
101
­
101
Lab:
3Lab:
3
MANGANESE,
UG/
LMANGANESE,
L
2501000
60
800
(
o)

Lab:
4Lab:
4
MANGANESE,
UG/
LMANGANESE,
L
open
circle:
positive
of
negative
RSD
value
Lab:
5Lab:
5
MANGANESE,
UG/
LMANGANESE,
L
200
Lab:
6Lab:
6
MANGANESE,
UG/
LMANGANESE,
L
600
40
150
400
100
20
200
50
000
­
101
­
101
­
101
300
800
(
o)
Lab:
8Lab:
8
MANGANESE,
UG/
LMANGANESE,
L
open
circle:
positive
of
negative
RSD
value
150
250
600
200
100
150
(
o)
Lab:
7Lab:
7
MANGANESE,
UG/
LMANGANESE,
L
open
circle:
positive
of
negative
RSD
value
400
100
50
200
50
00
­
101
­
101
­
101
Lab:
9Lab:
9
MANGANESE,
UG/
LMANGANESE,
L
Tue
May
7
16:
55:
10
2002
Log­
10
of
Spike
Concentration
c:/
pw/
ostmdl/
req005/
r005sd2.
s
Relative
Standard
DeviationAAMA
Metals
Data
Page
8
of
13
Relative
Standard
Deviation
vs
Spike
Concentrations
(
Log­
10
Scale)

(
Matrix
A,
Method
EPA
245.1
Cold
Vapor)

500
250300
400
200
200
300
Lab:
1Lab:
1
MERCURY,
UG/

LMERCURY,
L
(
o)
(
o)

Lab:
2Lab:
2
MERCURY,
UG/

LMERCURY,
L
open
circle:
positive
of
negative
RSD
value
150
(
o)
(
o)

Lab:
3Lab:
3
MERCURY,
UG/

LMERCURY,
L
open
circle:
positive
of
negative
RSD
value
200
100
100
100
50
0
­
3
­
2
­
1
0
­
3
­
2
­
1
0
­
3
­
2
­
1
0
200
250
Lab:
4Lab:
4
MERCURY,
UG/

LMERCURY,
L
Lab:
5Lab:
5
MERCURY,
UG/

LMERCURY,
L
140
150
200
120
150
100
100
100
50
50
80
Lab:
6Lab:
6
MERCURY,
UG/

LMERCURY,
L
­
3­
2­
1
0
­
3­
2­
1
0
­
3­
2­
1
0
Lab:
9Lab:
9
MERCURY,
UG/

LMERCURY,
L
5000
80
300
4000
250
60
200
3000
150
40
2000
100
1000
50
Lab:
7Lab:
7
MERCURY,
UG/

LMERCURY,
L
(
o)
(
o)

Lab:
8Lab:
8
MERCURY,
UG/

LMERCURY,
L
open
circle:
positive
of
negative
RSD
value
20
00
­
3­
2­
1
0
­
3­
2­
1
0
­
3­
2­
1
0
Wed
May
8
15:
03:
41
2002
Log­
10
of
Spike
Concentration
c:/
pw/
ostmdl/
req005/
r005sd2.
s
Relative
Standard
DeviationAAMA
Metals
Data
Page
9
of
13
Relative
Standard
Deviation
vs
Spike
Concentrations
(
Log­
10
Scale)

(
Matrix
A,
Method
EPA
200.7
ICP/
AES)

400
Lab:
1Lab:
1
MOLYBDENUM,
UG/
LMOLYBDENUM,
L
800
50
300
600
40
200
400
(
o)

Lab:
2Lab:
2
MOLYBDENUM,
UG/
LMOLYBDENUM,
L
open
circle:
positive
of
negative
RSD
value
30
20
100
200
10
00
Lab:
3Lab:
3
MOLYBDENUM,
UG/
LMOLYBDENUM,
L
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
140
150
120
150
100
100
100
(
o)
(
o)

Lab:
4Lab:
4
MOLYBDENUM,
UG/
LMOLYBDENUM,
L
open
circle:
positive
of
negative
RSD
value
Lab:
5Lab:
5
MOLYBDENUM,
UG/
LMOLYBDENUM,
L
80
60
50
50
40
20
00
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
Lab:
6Lab:
6
MOLYBDENUM,
UG/
LMOLYBDENUM,
L
(
o)
(
o)

Lab:
7Lab:
7
MOLYBDENUM,
UG/
LMOLYBDENUM,
L
open
circle:
positive
of
negative
RSD
value
500
(
o)
Lab:
8Lab:
8
MOLYBDENUM,
UG/
LMOLYBDENUM,
L
open
circle:
positive
of
negative
RSD
value
300
25000
400
250
20000
200
300
15000
150
(
o)
Lab:
9Lab:
9
MOLYBDENUM,
UG/
LMOLYBDENUM,
L
open
circle:
positive
of
negative
RSD
value
10000
200
100
5000
100
50
0
0
0
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
Tue
May
7
16:
55:
14
2002
Log­
10
of
Spike
Concentration
c:/
pw/
ostmdl/
req005/
r005sd2.
s
Relative
Standard
DeviationAAMA
Metals
Data
Page
10
of
13
Relative
Standard
Deviation
vs
Spike
Concentrations
(
Log­
10
Scale)

(
Matrix
A,
Method
EPA
200.7
ICP/
AES)

400
(
o)
(
o)

Lab:
1Lab:
1
NICKEL,
UG/
LNICKEL,
L
open
circle:
positive
of
negative
RSD
value
1000
(
o)
(
o)

Lab:
2Lab:
2
NICKEL,
UG/
LNICKEL,
L
open
circle:
positive
of
negative
RSD
value
150
800
300
100
600
200
400
50
100
200
000
­
0.5
0.0
0.5
1.0
1.5
2.0
­
0.5
0.0
0.5
1.0
1.5
2.0
­
0.5
0.0
0.5
1.0
1.5
2.0
Lab:
3Lab:
3
NICKEL,
UG/
LNICKEL,
L
400
Lab:
4Lab:
4
NICKEL,
UG/
LNICKEL,
L
Lab:
5Lab:
5
NICKEL,
UG/
LNICKEL,
L
160
150
300
140
100
200
120
50
100
100
80
00
­
0.5
0.0
0.5
1.0
1.5
2.0
­
0.5
0.0
0.5
1.0
1.5
2.0
­
0.5
0.0
0.5
1.0
1.5
2.0
Lab:
6Lab:
6
NICKEL,
UG/
LNICKEL,
L
(
o)
Lab:
9Lab:
9
NICKEL,
UG/
LNICKEL,
L
open
circle:
positive
of
negative
RSD
value
200
200
2000
150
150
1500
100
100
1000
50
Lab:
7Lab:
7
NICKEL,
UG/
LNICKEL,
L
50
Lab:
8Lab:
8
NICKEL,
UG/
LNICKEL,
L
500
000
­
0.5
0.0
0.5
1.0
1.5
2.0
­
0.5
0.0
0.5
1.0
1.5
2.0
­
0.5
0.0
0.5
1.0
1.5
2.0
Tue
May
7
16:
55:
16
2002
Log­
10
of
Spike
Concentration
c:/
pw/
ostmdl/
req005/
r005sd2.
s
Relative
Standard
DeviationAAMA
Metals
Data
Page
11
of
13
Relative
Standard
Deviation
vs
Spike
Concentrations
(
Log­
10
Scale)

(
Matrix
A,
Method
EPA
200.7
ICP/
AES)

300
(
o)
Lab:
1Lab:
1
SELENIUM,
UG/
LSELENIUM,
L
open
circle:
positive
of
negative
RSD
value
8000
(
o)
Lab:
2Lab:
2
SELENIUM,
UG/
LSELENIUM,
L
open
circle:
positive
of
negative
RSD
value
400
Lab:
3Lab:
3
SELENIUM,
UG/
LSELENIUM,
L
250
6000
300
200
150
4000
200
100
2000
100
50
000
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
1200
2000
(
o)
(
o)
(
o)

Lab:
4Lab:
4
SELENIUM,
UG/
LSELENIUM,
L
open
circle:
positive
of
negative
RSD
value
200
1000
1500
150
800
1000
100
Lab:
5Lab:
5
SELENIUM,
UG/
LSELENIUM,
L
600
400
500
50
200
00
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Lab:
6Lab:
6
SELENIUM,
UG/
LSELENIUM,
L
200
(
o)
Lab:
7Lab:
7
SELENIUM,
UG/
LSELENIUM,
L
open
circle:
positive
of
negative
RSD
value
Lab:
8Lab:
8
SELENIUM,
UG/
LSELENIUM,
L
800
500
150
400
600
300
100
400
200
50
200
100
000
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Lab:
9Lab:
9
SELENIUM,
UG/
LSELENIUM,
L
Tue
May
7
16:
55:
18
2002
Log­
10
of
Spike
Concentration
c:/
pw/
ostmdl/
req005/
r005sd2.
s
Relative
Standard
DeviationAAMA
Metals
Data
Relative
Standard
Deviation
vs
Spike
Concentrations
(
Log­
10
Scale)

(
Matrix
A,
Method
EPA
200.7
ICP/
AES)
250
500
(
o)

Lab:
1Lab:
1
SILVER,
UG/
LSILVER,
L
open
circle:
positive
of
negative
RSD
value
200
200400
150
300
(
o)
(
o)

Lab:
2Lab:
2
SILVER,
UG/
LSILVER,
L
open
circle:
positive
of
negative
RSD
value
150
Page
12
of
13
Lab:
3Lab:
3
SILVER,
UG/
LSILVER,
L
100
200
100
100
50
50
0
0
0
­
1012
­
1012
­
1012
250
200
Lab:
4Lab:
4
SILVER,
UG/
LSILVER,
L
200
200
150
Lab:
5Lab:
5
SILVER,
UG/
LSILVER,
L
150
150
100
Lab:
6Lab:
6
SILVER,
UG/
LSILVER,
L
100
100
50
50
50
0
­
1
0
1
2
­
1
0
1
2
­
1
0
1
2
250
600
200
800
400
Lab:
7Lab:
7
SILVER,
UG/
LSILVER,
L
150
600
100
400
200
50
Lab:
8Lab:
8
SILVER,
UG/
LSILVER,
L
200
00
0
­
1012
­
1012
­
1012
1000
Lab:
9Lab:
9
SILVER,
UG/
LSILVER,
L
Tue
May
7
16:
55:
20
2002
Log­
10
of
Spike
Concentration
c:/
pw/
ostmdl/
req005/
r005sd2.
s
Relative
Standard
DeviationAAMA
Metals
Data
Relative
Standard
Deviation
vs
Spike
Concentrations
(
Log­
10
Scale)

(
Matrix
A,
Method
EPA
200.7
ICP/
AES)

2500
60
Lab:
1Lab:
1
ZINC,
UG/
LZINC,
L
(
o)
(
o)

Lab:
2Lab:
2
ZINC,
UG/
LZINC,
L
open
circle:
positive
of
negative
RSD
value
60
2000
40
1500
40
1000
20
20
500
000
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
Page
13
of
13
Lab:
3Lab:
3
ZINC,
UG/
LZINC,
L
100
300
Lab:
4Lab:
4
ZINC,
UG/
LZINC,
L
80
Lab:
5Lab:
5
ZINC,
UG/
LZINC,
L
80
60
60
200
40
40
100
20
20
0
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
Lab:
6Lab:
6
ZINC,
UG/
LZINC,
L
40
Lab:
7Lab:
7
ZINC,
UG/
LZINC,
L
120
Lab:
8Lab:
8
ZINC,
UG/
LZINC,
L
400
100
30
300
80
60
200
20
40
100
10
20
00
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
­
0.5
0.0
0.5
1.0
1.5
2.0
2.5
Lab:
9Lab:
9
ZINC,
UG/
LZINC,
L
Tue
May
7
16:
55:
22
2002
Log­
10
of
Spike
Concentration
c:/
pw/
ostmdl/
req005/
r005sd2.
s