Table A7. Pesticide study.
Analytes
Lindane
Heptachlor
Aldrin
Dieldrin
Initial concentrations (g/L) in test solution
Bailer
469
16.1
42.0
49.2
572
21.6
54.7
61.6
530
20.4
41.7
62.7
569
13.4
49.5
58.4
485
15.8
43.4
57.9
525a*
17.5a
46.3a
58.0a
X
% RSD
8.99
19.7
12.3
9.2
Pump
512
12.1
36.0
55.1
477
12.8
33.0
58.4
449
14.5
33.1
50.0
523
14.5
50.9
55.8
461
11.3
36.3
49.5
484a
13.0b
37.9b
53.8a
X
% RSD
6.61
11.0
19.7
7.16
Concentration (g/L) in test solution after 24 hours
Pump
540
7.11
23.2
37.3
529
8.34
19.7
36.5
473
6.31
20.5
33.0
475
5.90
21.1
33.0
500
6.49
18.1
35.9
503a
6.83c
20.5c
35.1b
X
% RSD
6.12
13.91
9.23
5.79
Desorbed concentration (g/L) in DI water after wash procedure
Bailer
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
X
Pump
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
X
LD = Less than detection limit
MDL (g/L) = 0.74
0.84
0.55
0.85
*For each analyte, values with the same letter are not significantly different at
the 95% confidence level using Fisher's Least Significant Difference Test.
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