CRD 01-13
Table 9. Precision agreement among laboratories - summary by element.
Li
Na
Mg
K
Ca
Cr
Mn
Co
Ni
Cu
Zn
As
Rb
Sr
Cd
Ba
Pb
U
SRM915a
# Labs
---
---
7
---
9
4
10
9
6
8
6
---
---
8
---
10
7
---
# Within Interval
---
---
6
---
8
3
9
8
5
7
5
---
---
7
---
9
5
---
% LPA
---
---
86
---
89
75
90
89
83
88
83
---
---
88
---
90
71
---
SRMSOLN
# Labs
6
---
7
---
9
7
10
9
6
8
8
5
7
8
4
9
8
---
# Within Interval
5
---
6
---
8
6
9
8
5
7
6
4
6
6
3
8
7
---
% LPA
83
---
86
---
89
86
90
89
83
88
75
80
86
75
75
89
88
---
RMRS1
# Labs
5
7
11
6
10
5
12
11
6
7
9
---
7
15
---
13
6
---
# Within Interval
4
6
9
5
8
4
10
10
5
6
8
---
6
12
---
12
5
---
% LPA
80
86
82
83
80
80
83
91
83
86
89
---
86
80
---
92
83
---
%LPA = 100 x # Within Interval / # Labs - see text.
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