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Table 3 Estimated method detection limit values

From: Limit of detection and limit of quantification development procedures for organochlorine pesticides analysis in water and sediment matrices

    LOD (μg/L) LOQ (μg/L)
Component NHa SHb S/N ≈ 3 LFBc IS CALd EX CALe S/N ≈ 10 LFBc IS CALd EX CALe
α-HCH 149 5116 0.087 0.00211 1.18 0.74 0.29 0.0067 3.94 2.47
γ -HCH 148 1895 0.234 0.00173 1.32 1.66 0.78 0.0055 4.39 5.54
β-HCH 103 4670 0.066 0.00217 0.68 0.89 0.22 0.0069 2.28 2.95
δ-HCH 104 4367 0.071 0.00462 1.81 0.90 0.24 0.0147 6.04 3.00
Heptachlor 128 4284 0.090 0.00487 0.71 0.30 0.30 0.0155 2.38 0.98
Aldrin 125 3872 0.097 0.00245 1.04 1.26 0.32 0.0078 3.47 4.20
Endosulfan I 86 3938 0.066 0.00321 1.86 1.08 0.22 0.0102 6.19 3.61
Heptachlor epoxide 476 4336 0.329 0.00233 2.04 2.11 1.10 0.0074 6.81 7.02
4,4'-DDE 163 3636 0.134 0.00097 1.44 0.96 0.45 0.0031 4.81 3.19
Dieldrin 161 3205 0.151 0.00139 1.34 1.67 0.50 0.0044 4.48 5.57
Endrin 160 2789 0.172 0.00115 0.66 0.73 0.57 0.0037 2.19 2.45
4,4'-DDD 337 3597 0.281 0.00181 1.38 1.46 0.94 0.0058 4.60 4.85
Endosulfan II 97 2319 0.125 0.00112 1.25 1.33 0.42 0.0036 4.18 4.42
4,4'-DDT 520 2773 0.563 0.00168 1.47 1.42 1.88 0.0054 4.89 4.72
Endrin aldehyde 181 2909 0.187 0.00097 0.49 1.11 0.62 0.0031 1.64 3.69
Endosulfan sulfate 301 2394 0.377 0.00066 0.18 1.10 1.26 0.0021 0.59 3.68
Methoxychlor 229 3780 0.182 0.00131 1.01 2.08 0.61 0.0042 3.36 6.93
Endrin ketone 217 1526 0.427 0.00102 1.35 1.16 1.42 0.0033 4.49 3.85
Max 520 5116 0.563 0.005 2.043 2.107 1.875 0.016 6.809 7.024
Min 86 1526 0.066 0.001 0.178 0.295 0.218 0.002 0.593 0.984
Average 205 3411 0.202 0.002 1.179 1.219 0.674 0.006 3.929 4.062
RSD 126 997 0.141 0.001 0.493 0.466 0.472 0.004 1.645 1.552
%CV 62 29 70 61 42 38 70 61 42 38
  1. a Noise Height(2 μg/L),b Signal Height(2 μg/L), c LFB:Laboratory Fortified Blank(10 μg/L),d and c internal and external calibration respectively.