TableVI. Recoveries of additional phenoxyacid herbicides
after solid phase extraction.
2.5
93.5
1.3
93.0
pentachlorophenol
1.4
95.0
1.0
93.4
Dinoseb
3.0
72.0
1.3
73.2
1,4 dichlorobenzene (IS)
1.7
97.7
2.4
99.1
2,4-DB
1.5
96.2
2.3
96.2
2,4-T
1.5
96.6
2.8
100.6
MCPP
1.1
95.2
2.2
99.8
3,5 dichlorobenzoic acid
1.5
96.5
2.4
99.7
MCPA
0.9
97.4
6.3
100.7
2,4DCAA (surrog)
0.9
92.3
2.4
97.2
4-nitrophenol
%RSD
n=3
%Recovery
1L sample
%RSD
n=3
%Recovery
500mL sample
Analyte
