Table 3.
Linearities, limits of detection, limits of quantitation, recoveries, and precisions of 44 multiclass pesticides.
| Pesticides | Linearities a (R2) |
LOD b (ng/g) |
LOQ c (ng/g) |
Recovery (%) | ||
|---|---|---|---|---|---|---|
| LOQ | 10× LOQ | 50× LOQ | ||||
| 2,4′-DDD | 0.99937 | 2 | 7 | 88.3–103.2 | 82.8–105.2 | 85.1–109.5 |
| 2,4′-DDE | 0.99931 | 2 | 7 | 88.0–102.2 | 83.5–103.1 | 86.8–108.3 |
| 2,4′-DDT | 0.99752 | 2–3 | 7–9 | 86.7–103.4 | 81.0–103.9 | 84.7–108.8 |
| 4,4′-DDD | 0.99935 | 2 | 7 | 82.2–102.6 | 78.2–103.4 | 81.6–107.8 |
| 4,4′-DDE | 0.99930 | 2 | 7 | 86.6–103.4 | 81.2–103.7 | 85.8–108.8 |
| 4,4′-DDT | 0.99778 | 2–3 | 7–9 | 86.0–102.4 | 81.2–104.1 | 86.8–109.8 |
| Alachlor | 0.99792 | 2 | 7–8 | 82.2–103.2 | 78.2–105.0 | 79.3–110.8 |
| Aldrin | 0.99777 | 3 | 9 | 86.4–104.5 | 82.8–107.2 | 87.5–113.3 |
| Ametryn | 0.99946 | 2 | 7–8 | 73.5–103.0 | 70.0–106.0 | 70.9–113.1 |
| Atrazine | 0.99900 | 2 | 7 | 82.9–96.7 | 76.6–99.0 | 78.9–103.9 |
| Boscalid | 0.99695 | 2 | 7 | 73.3–107.2 | 72.5–109.1 | 78.0–116.4 |
| Buprofezin | 0.99741 | 2 | 7–8 | 74.4–103.6 | 71.1–105.1 | 71.0–110.5 |
| Carfentrazone-ethyl | 0.99788 | 2 | 7 | 70.5–104.4 | 78.7–105.8 | 77.6–111.2 |
| Chlordane (cis) | 0.99881 | 2 | 7 | 89.5–106.9 | 85.0–105.7 | 85.2–114.5 |
| Chlordane (trans) | 0.99901 | 2 | 7 | 86.1–106.2 | 86.2–108.1 | 87.5–114.3 |
| Chlorothalonil | 0.99934 | 3 | 10 | 86.9–100.3 | 80.9–101.5 | 84.9–108.1 |
| Chlorpyrifos | 0.99926 | 2 | 7 | 84.0–101.9 | 78.2–104.2 | 80.8–109.4 |
| Cypermethrin | 0.99565 | 3 | 10 | 99.4–107.4 | 84.9–103.4 | 77.4–109.2 |
| Deltamethrin | 0.99384 | 3 | 10 | 80.9–102.3 | 79.1–103.9 | 72.4–109.5 |
| Dieldrin | 0.99584 | 2–3 | 7–10 | 78.9–107.1 | 81.8–109.1 | 72.4–115.6 |
| Endosulfan sulfate | 0.99905 | 2 | 7 | 86.5–101.8 | 80.9–106.2 | 88.2–112.6 |
| α-Endosulfan | 0.99853 | 2 | 7 | 83.8–103.5 | 85.7–105.1 | 83.5–111.2 |
| β-Endosulfan | 0.99893 | 2 | 7 | 82.7–103.4 | 78.3–106.4 | 79.3–111.1 |
| Endrin | 0.99741 | 2–3 | 7–9 | 75.5–106.4 | 71.3–109.6 | 71.7–117.7 |
| Fenitrothion | 0.99793 | 2 | 7 | 85.8–103.2 | 79.2–105.1 | 83.2–111.3 |
| Heptachlor | 0.99911 | 2 | 7 | 87.2–100.8 | 86.4–103.4 | 88.4–109.0 |
| Heptachlor epoxide (cis) | 0.99743 | 2 | 7 | 83.2–101.6 | 80.3–104.2 | 85.7–109.4 |
| Heptachlor epoxide (trans) | 0.99863 | 2 | 7 | 85.6–104.0 | 77.0–106.4 | 84.5–111.6 |
| Hexachlorobenzene | 0.99936 | 3 | 10 | 88.8–103.9 | 85.1–106.2 | 90.9–111.9 |
| Iprobenfos | 0.99720 | 2 | 7 | 81.6–103.9 | 78.9–106.2 | 78.4–112.3 |
| Isoprothiolane | 0.99669 | 2 | 7 | 90.7–106.6 | 87.5–108.9 | 87.9–116.7 |
| Mirex | 0.99925 | 2–3 | 7–9 | 68.4–107.6 | 65.9–111.0 | 68.8–117.6 |
| Oxadiazon | 0.99901 | 2 | 7 | 84.6–106.2 | 80.9–108.2 | 84.0–114.2 |
| Pendimethalin | 0.99859 | 2 | 7 | 77.4–102.4 | 80.1–98.5 | 84.6–99.7 |
| Permethrin | 0.99668 | 3 | 10 | 82.7–103.3 | 75.3–105.8 | 90.0–111.2 |
| Prometryn | 0.99910 | 2–3 | 8–10 | 74.2–106.2 | 73.8–109.1 | 72.6–115.9 |
| Tebuconazole | 0.99443 | 3 | 10 | 78.6–115.3 | 105.2–116.3 | 110.0–117.8 |
| Terbutryn | 0.99830 | 2 | 7–8 | 78.3–103.8 | 75.2–109.7 | 76.2–115.8 |
| Tetraconazole | 0.99465 | 2 | 7 | 105.5–119.1 | 94.6–111.0 | 88.8–117.1 |
| Thifluzamide | 0.99599 | 2 | 7 | 100.4–103.3 | 86.3–106.4 | 85.5–114.5 |
| Trifluralin | 0.99599 | 2 | 7 | 87.2–109.3 | 83.0–111.6 | 86.0–117.9 |
| α-HCH (α-BHC) | 0.99912 | 2 | 7 | 94.4–104.3 | 92.1–104.9 | 91.4–110.2 |
| β-HCH (β-BHC) | 0.99947 | 2 | 7 | 97.5–102.5 | 82.6–104.7 | 87.9–108.8 |
| γ-HCH (γ-BHC, Lindane) | 0.99943 | 2 | 7 | 89.1–103.2 | 85.1–104.6 | 87.5–109.9 |
a Linearities: Average of 4 fishes. b LOD, Limits of detection; c LOQ, limits of quantitation.