Open-File Report 02–94
|
Table 7. Summary of laboratory reagent spike recoveries
and laboratory reagent blanks
[mg/L; micrograms per liter; number in parentheses () represents method number; <, less than indicated detected limit; nca, not currently available; na, not applicable, see Lindsey and others, 2001; *, compound added to analytical method after June 21, 2000] |
| Compound | Reagent spikes
|
Reagent blanks
|
|||||
|---|---|---|---|---|---|---|---|
| Total number of analyses | Mean recovery (percent) | Standard deviation of recovery | Number of blank detections | Frequency of detection (percent) | Mean concentration of detections (mg/L) | Maximum concentration of detections (mg/L) | |
| 1,4-dichlorobenzene (4) |
33
|
73.7
|
18.7
|
0
|
0
|
< 0.030
|
<0.030
|
| 2, 6-di-tert-butylphenol (4) |
33
|
49.2
|
17.0
|
0
|
0
|
<.150
|
<.150
|
| 2, 6-di-tert-p-benzoquinone (4) |
33
|
83.8
|
30.0
|
3
|
9.1
|
.08
|
.10
|
| 3-tert-butyl-4-hydroxy anisole (4) |
33
|
51.0
|
26.5
|
0
|
0
|
<.120
|
<.120
|
| 4-methyl phenol (4) |
33
|
81.2
|
15.8
|
0
|
0
|
<.030
|
<.030
|
| 4-nonylphenol (4) |
33
|
84.0
|
18.9
|
2
|
6.1
|
.4
|
.6
|
| 4-nonylphenol monoethoxylate (4) |
33
|
79.7
|
24.5
|
4
|
12.1
|
.5
|
1
|
| 4-nonylphenol diethoxylate (4) |
33
|
76.0
|
28.2
|
1
|
3.0
|
.3
|
.3
|
| 4-octylphenol monoethoxylate (4) |
33
|
80.3
|
22.7
|
6
|
18.2
|
.07
|
.2
|
| 4-octylphenol diethoxylate (4) |
33
|
74.9
|
28.6
|
0
|
0
|
<.200
|
<.200
|
| 5-methyl-1H-benzotriazle (4) |
18
|
59.2
|
16.1
|
0
|
0
|
<.150
|
<.150
|
| Acetaminophen (3) |
44
|
76.8
|
19.6
|
26
|
59.1
|
.016
|
.033
|
| Acetophenone(4) |
33
|
84.4
|
19.1
|
3
|
9.1
|
.05
|
.05
|
| Albuterol (3) |
44
|
74.6
|
12.3
|
0
|
0
|
<.029
|
<.029
|
| cis-Androsterone (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| Anthracene (4) |
33
|
80.3
|
19.2
|
1
|
3.0
|
.15
|
.15
|
| Benzo (a) pyrene (4) |
33
|
74.4
|
18.3
|
0
|
0
|
<.050
|
<.050
|
| Bis (2-ethylhexyl) adipate (4) |
33
|
82.8
|
36.5
|
2
|
6.1
|
3
|
5
|
| Bis (2-ethylhexyl) phthalate (4) |
33
|
97.6
|
37.6
|
3
|
9.1
|
7
|
14
|
| Bisphenol A (4) |
33
|
78.2
|
24.2
|
1
|
3.0
|
.6
|
.6
|
| Butylated hydroxy toluene (4) |
33
|
42.9
|
16.7
|
0
|
0
|
<.110
|
<.110
|
| Caffeine (3) |
44
|
91.9
|
9.4
|
1
|
2.3
|
.004
|
.004
|
| Caffeine (4) |
33
|
84.3
|
15.9
|
1
|
3.0
|
.009
|
.009
|
| Carbaryl (4) |
33
|
86.3
|
33.4
|
0
|
0
|
<.060
|
<.060
|
| Carbodox (1) |
10
|
97.8
|
13
|
0
|
0
|
<.01
|
<.01
|
| cis-Chlordane (4) |
33
|
83.4
|
25.1
|
0
|
0
|
<.040
|
<.040
|
| Chlorpyrifos (4) |
33
|
82.6
|
17.0
|
0
|
0
|
<.020
|
<.020
|
| Chlortetracycline (1) |
10
|
109
|
12.1
|
0
|
0
|
<.01
|
<.01
|
| Chlortetracycline (2) |
7
|
na
|
na
|
0
|
0
|
<.20
|
<.20
|
| Cholesterol (4) |
33
|
51.5
|
16.5
|
0
|
0
|
<1.500
|
<1.500
|
| Cholesterol (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| Cimetidine (3) |
44
|
25.6
|
9.8
|
0
|
0
|
<.007
|
<.007
|
| Ciprofloxacin (1) |
10
|
99.2
|
5.7
|
0
|
0
|
<.01
|
<.01
|
| Codeine (3)* |
11
|
63.1
|
6.8
|
0
|
0
|
<.024
|
<.024
|
| Codeine (4) |
33
|
65.0
|
28.8
|
0
|
0
|
<.200
|
<.200
|
| Coprostanol (4) |
33
|
52.4
|
12.6
|
0
|
0
|
<.600
|
<.600
|
| Coprostanol (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| Cotinine (3) |
44
|
71.3
|
9.3
|
0
|
0
|
<.023
|
<.023
|
| Cotinine (4) |
18
|
61.7
|
21.5
|
1
|
4.4
|
.03
|
.03
|
| Dehydronifedipine (3) |
44
|
94.0
|
9.6
|
2
|
4.5
|
.014
|
.025
|
| Diazinon (4) |
33
|
82.5
|
23.3
|
0
|
0
|
<.030
|
<.030
|
| Dieldrin (4) |
33
|
84.7
|
27.5
|
0
|
0
|
<.080
|
<.080
|
| Diethylphthalate (4) |
19
|
81.3
|
29.9
|
2
|
8.7
|
39
|
74
|
| N, N-diethyltoluamide (4) |
18
|
74.2
|
10.4
|
1
|
4.4
|
.03
|
.03
|
| Digoxigenin (3) |
44
|
90.9
|
16.6
|
0
|
0
|
<.008
|
<.008
|
| Digoxin (3)* |
11
|
20.7
|
12.4
|
0
|
0
|
<.26
|
<.26
|
| Diltiazem (3) |
44
|
72.8
|
9.8
|
3
|
6.8
|
.016
|
.031
|
| 1,7-dimethylxanthine (3) |
44
|
137
|
62.1
|
2
|
4.5
|
.007
|
.007
|
| Doxycycline (1) |
10
|
92.2
|
8.4
|
0
|
0
|
<.01
|
<.01
|
| Enalaprilat (3) |
44
|
19.8
|
14.7
|
0
|
0
|
<.152
|
<.152
|
| Enrofloxacin (1) |
10
|
106
|
7.2
|
0
|
0
|
<.01
|
<.01
|
| Equilenin (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| Equilin (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| Erythromycin-H2O (1) |
10
|
116
|
6.9
|
0
|
0
|
<.01
|
<.01
|
| 17a-estradiol (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| 17a-ethynyl estradiol (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| 17b-estradiol (4) |
33
|
71.6
|
35.4
|
0
|
0
|
<.500
|
<.500
|
| 17b-estradiol (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| Estriol (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| Estrone (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| Ethanol, 2-butoxy phosphate (4) |
33
|
80.8
|
35.7
|
0
|
0
|
<.070
|
<.070
|
| Fluoranthene (4) |
33
|
85.5
|
17.9
|
2
|
6.1
|
.07
|
.07
|
| Fluoxetine (3) |
44
|
56.8
|
20.7
|
0
|
0
|
<.018
|
<.018
|
| Gemfibrozil (3) |
44
|
64.5
|
25.7
|
0
|
0
|
<.015
|
<.015
|
| Ibuprofen (3) |
44
|
74.5
|
11.6
|
0
|
0
|
<.018
|
<.018
|
| Lincomycin (1) |
10
|
94.7
|
5.1
|
0
|
0
|
<.01
|
<.01
|
| Lindane (4) |
33
|
85.1
|
22.0
|
0
|
0
|
<.050
|
<.050
|
| Mestranol (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| Metformin (3) |
44
|
1.0
|
0.2
|
0
|
0
|
<.003
|
<.003
|
| Methyl parathion (4) |
33
|
83.8
|
30.8
|
0
|
0
|
<.060
|
<.060
|
| Naphthalene (4) |
33
|
78.1
|
19.8
|
3
|
9.1
|
.03
|
.05
|
| 19-norethisterone (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| Norfloxacin (1) |
10
|
98.5
|
6.4
|
0
|
0
|
<.01
|
<.01
|
| Oxytetracycline (1) |
10
|
97.3
|
7.4
|
0
|
0
|
<.01
|
<.01
|
| Oxytetracycline (2) |
7
|
na
|
na
|
0
|
0
|
<.20
|
<.20
|
| Paroxetine metabolite (3) |
30
|
16.6
|
18.9
|
0
|
0
|
<.26
|
<.26
|
| Phenanthrene (4) |
33
|
84.0
|
18.7
|
1
|
3.0
|
.10
|
.10
|
| Phenol (4) |
33
|
80.1
|
18.0
|
1
|
3.0
|
.08
|
.08
|
| Phthalic anhydride (4) |
33
|
52.1
|
23.6
|
5
|
15.2
|
.4
|
1
|
| Progesterone (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| Pyrene (4) |
33
|
84.6
|
16.7
|
1
|
3.0
|
.11
|
.11
|
| Ranitidine (3) |
44
|
32.0
|
10.6
|
0
|
0
|
<.01
|
<.01
|
| Roxithromycin (1) |
10
|
98.7
|
10.1
|
0
|
0
|
<.01
|
<.01
|
| Sarafloxacin (1) |
10
|
101
|
5.9
|
0
|
0
|
<.01
|
<.01
|
| Stigmastanol (4) |
20
|
49.7
|
14.9
|
0
|
0
|
<2.000
|
<2.000
|
| Sulfachloropyridazine (2) |
7
|
na
|
na
|
0
|
0
|
<.05
|
<.05
|
| Sulfadimethoxine (1) |
10
|
103
|
4.8
|
0
|
0
|
<.01
|
<.01
|
| Sulfadimethoxine (2) |
7
|
na
|
na
|
0
|
0
|
<.05
|
<.05
|
| Sulfamerazine (1) |
10
|
104
|
7.2
|
0
|
0
|
<.01
|
<.01
|
| Sulfamerazine (2) |
7
|
na
|
na
|
0
|
0
|
<.05
|
<.05
|
| Sulfamethazine (1) |
10
|
97.2
|
3.5
|
0
|
0
|
<.01
|
<.01
|
| Sulfamethazine (2) |
7
|
na
|
na
|
0
|
0
|
<.05
|
<.05
|
| Sulfamethizole (1) |
10
|
103
|
4.8
|
0
|
0
|
<.01
|
<.01
|
| Sulfamethoxazole (1) |
10
|
108
|
5
|
0
|
0
|
<.01
|
<.01
|
| Sulfamethoxazole (3) |
44
|
79.8
|
18.7
|
0
|
0
|
<.023
|
<.023
|
| Sulfathiazole (1) |
10
|
110
|
4.8
|
0
|
0
|
<.01
|
<.01
|
| Sulfathiazole (2) |
7
|
na
|
na
|
0
|
0
|
<.05
|
<.05
|
| Testosterone (5) |
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
nca
|
| Tetrachloroethylene (4) |
33
|
44.2
|
14.7
|
0
|
0
|
<.030
|
<.030
|
| Tetracycline (1) |
10
|
96.5
|
8.3
|
0
|
0
|
<.01
|
<.01
|
| Tetracycline (2) |
7
|
na
|
na
|
0
|
0
|
<.20
|
<.20
|
| Triclosan (4) |
32
|
79.8
|
23.3
|
5
|
15.6
|
.15
|
.56
|
| Trimethoprim (1) |
10
|
105
|
4.4
|
0
|
0
|
<.01
|
<.01
|
| Trimethoprim (3) |
44
|
75.1
|
8.3
|
2
|
4.5
|
.002
|
.002
|
| Triphenyl phosphate (4) |
33
|
80.9
|
21.8
|
0
|
0
|
<.100
|
<.100
|
| Tri (2-chloroethyl) phosphate (4) |
33
|
86.1
|
21.4
|
2
|
6.1
|
.05
|
.05
|
| Tri (dichlorisopropyl) phosphate (4) |
33
|
80.7
|
23.3
|
2
|
6.1
|
.10
|
.13
|
| Tylosin (1) |
10
|
92.3
|
11.7
|
0
|
0
|
<.01
|
<.01
|
| Virginiamycin (1) |
10
|
52.1
|
7.8
|
0
|
0
|
<.01
|
<.01
|
| Warfarin (3) |
44
|
85.2
|
8.4
|
0
|
0
|
<.001
|
<.001
|
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://pubsdata.usgs.gov/pubs/of/2002/0094/ofr0294_table7.html
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