CHLORINATED AND ORGANONITROGEN HERBICIDES (HAND WASH): METHOD 9200 - Page 7 of 11
TABLE 3. METHOD EVALUATION Applicable working range
Storage Stability LOD(1)
LOQ(2)
(µg/mL)
(µg/mL)
%Recovery
Sr
%Recovery
Sr
%Recovery
Sr
30 Days
60 days
120 days
Compound
(µg/mL)
(µg/sample)
Alachlor
0.0015 - 0.2
0.22 - 30
0.028
0.001
0.004
103.0
0.027
87.1
0.149
95.4
0.137
Atrazine
0.088 - 1.1
13 - 160
0.024
0.010
0.037
100.9
0.041
86.0
0.123
89.4
0.075
Cyanazine
0.0099 - 0.2
1.5 - 30
0.094
0.002
0.006
105.3
0.120
88.1
0.197
87.7
0.167
2,4-D acid
0.0017 - 0.11
0.26 -16
0.035
0.001
0.004
101.9
0.019
108.4
0.169
105.5
0.111
2,4-D, BE
0.0019 - 0.12
0.28 - 18
0.084
0.001
0.004
103.5
0.071
79.3
0.175
76.5
0.159
2,4-D, EH
0.0075 - 0.05
1.1 - 7.5
0.040
0.0005
0.002
104.4
0.069
85.6
0.135
81.7
0.108
Metolachlor
0.0039 - 0.22
0.58 - 33
0.030
0.002
0.007
102.8
0.025
87.1
0.145
89.8
0.103
12 - 160
0.031
0.010
0.037
127.7
0.045
83.4
0.140
91.4
0.2
Simazine
0.082 - 1.1
(1)
Limit of Detection
(2)
Limit of Quantitation
r
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition
