|  |  | 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 |