Chlorinated Herbicides (aqueous)

Specifications
Test Name:
CHLORINATED HERBICIDES
Test Code:
8151_W
Test Number:
SW8151
Matrix:
Aqueous
Units:
µg/L

Summary

Water samples are extracted with diethyl ether and then esterified with either diazomethane or pentafluorobenzyl bromide. Soil and waste samples are extracted and esterified with either diazomethane or penttafluorobenzyl bromide.

The derivatives are then analyzed by GC/ECD (gas chromatograph with electron capture detector).

Typical Method Detection/Reporting Limits
Type
A
A
A
A
A
A
A
A
A
A
A
S
Analyte
2,4,5-T
2,4,5-TP (Silvex)
2,4-D
2,4-DB
4-Nitrophenol
Dicamba
Dichlorprop
Dinoseb
MCPA
MCPP
Pentachlorophenol
2,4-DCAA
MDL
0.007
0.017
0.026
0.012
0.021
0.013
0.024
0.005
0.318
0.536
0.019
0
PQL
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
10
10
0.1
0
A = Analyte, S = Surrogate
Information Updated: 9/20/2010