Table 1.
Method validation parameters.
| Metabolite | Soil | Water | ||||||
|---|---|---|---|---|---|---|---|---|
| Regression equations and R 2 values | Retention time (min) | LoD, ng/kg (ppb) |
% recovery | Regression equations and R 2 values | Retention time (min) | LoD, µg/L (ppb) |
% recovery | |
| DDT |
Y = −0.155x
2
x
2
2 + 1.927x + 4.200 R 2 = 0.978 |
20.140 | 0.046 | 86.8 |
Y = −0.039x + 0.380 R 2 = 0.962 |
20.140 | 0.000027 | 79.2 |
|
| ||||||||
| DDE |
Y = y = −0.155x
2
x
2
2 + 1.928x + 4.177 R 2 = 0.978 |
17.435 | 0.040 | 88.4 |
y = 0.104x + 0.036 R 2 = 0.992 |
17.435 | 0.000009 | 79.9 |
|
| ||||||||
| DDD |
y = −0.242x
2
x
2
2 + 3.143x + 3.199 R 2 = 0.992 |
17.786 | 0.034 | 91.6 |
y = −2.644x + 9.211 R 2 = 0.991 |
17.786 | 0.000008 | 83.2 |