APPENDIX B: UNEDITED ANALYTE CONCENTRATIONS (g/g)
DETERMINED BY COLLABORATORS
Lab
A1
A2
B1
B2
C1
C2
QA*
Lab
A1
A2
B1
B2
C1
C2
QA*
TDCE
TCE
1
5.4
4.0
9.9
10.9
33
31
1
7.6
6.5
12.6
13.3
43
43
47.0
6.2b
6.2b
13.8b
12.2b
42b
39b
9.2b
10.4b
18.8b
16.0b
61b
52b
51.1b
2
2
8.1a
6.6a
13.4a
15.3a
52a
59a
10.2a
9.8a
20.4a
22.1a
82a
90a
3
3
54.9
4
6.0
4.5
9.5
10.6
37
36
4
8.8
8.0
14.2
14.9
60
58
50.7
NDc
3.7c
1.9c
7.7c
5
10.2
9.3
39
43
5
14.6
14.0
50
53
46.2
7
5.5
6.5
10.5
10.9
45
36
7
8.2
8.1
14.9
14.8
59
53
50.8
8
5.3
6.0
10.5
10.9
39
38
8
10.1
9.0
18.1
19.2
71
69
55.3
9
11.1
9.4
16.0
15.6
47
48
9
9.3
9.3
17.5
15.6
56
62
52.5
10
6.0
6.7
9.7
11.0
33
38
10
9.1
8.7
14.5
16
48
60
NR
11
5.3
6.3
11.7
10.3
39
37
11
8.9
9.4
16.6
16.1
59
65
55.6
2.7a
4.7a
a
10.0a
7.3a
15a
4.0a
6.2a
a
13.0a
11a
19a
12
11.0
12
14.0
47.7
15
6.8
5.3
11.5
9.4
39
35
15
9.3
8.4
16.3
16.3
58
56
53.0
a
11.5a
a
11.5a
16
9.2
5.7
19.7
48
49
16
8.3
7.5
16.7
53
48
57.2
Ben
Tol
1
9.2
6.4
13.7
14.8
37
40
51.9
1
8.8
8.5
17.4
18.3
52
50
47.4
7.4b
8.3b
23.8b
15.1b
43b
38b
50.9b
10.9b
13.6b
25.2b
23.2b
70b
61b
2
2
51.6b
8.3a
7.5a
17.0a
18.6a
55a
51a
11.6a
10.9a
23.9a
24.9a
87a
89a
3
55.0
3
54.9
4
7.6
6.5
13.2
13.9
42
41
50.8
4
10.6
9.6
18.7
19.6
72
69
49.8
NDc
5.6c
4.3c
9.1c
5
12.4
11.5
33
35
45.2
5
19.6
18.0
57
60
48.9
7
6.5
6.8
13.6
13.9
43
40
49.3
7
9.9
10.0
19.1
18.7
70
63
48.1
8
7.8
7.5
15.7
16.0
43
42
55.9
8
12.1
11.5
23.6
20.3
74
76
54.6
9
7.1
6.8
15.2
13.4
37
40
51.8
9
9.9
9.1
16.9
15.8
55
53
43.4
10
7.0
6.9
12.7
14.1
33
39
NR
10
10.8
10.0
19.1
20.1
55
67
NR
11
7.0
7.6
15.5
15.0
42
45
53.1
11
9.8
10.2
20.7
20.3
65
68
55.4
3.0a
4.8a
12.0a
12.0a
6.7a
13a
4.6a
6.8a
17.0a
17.0a
11a
20a
12
46.6
12
45.9
15
7.4
6.9
14.5
14.1
39
35
53.0
15
11.5
10.8
22.2
20.3
70
67
52.6
13.3a
12.6a
24.8a
15.7a
16
8.4
6.9
43
41
58.1
16
10.9
9.7
66
61
57.2
*
QA standard.
a
Outlier.
b
Analysis performed outside of specified holding time.
c
Ampoule leaked, subsample set omitted.
NR
No result provided.
ND
Not detected.
11
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