Table 1.
Distribution of pesticide concentrations in umbilical cord serum (ng/ml) at delivery, Zhejiang Province, China 2009 (n=27).
| Pesticide | Limit of detection (LOD) (ng/ml) |
Number of infants with levels > LOD (%) |
Selected percentiles | ||||
|---|---|---|---|---|---|---|---|
| 50 | 75 | 90 | 95 | max | |||
| Organophosphates | |||||||
| Chlorpyrifos | 0.05 | 5 (19%) | ND | ND | 0.16 | 0.17 | 0.17 |
| Diazinon | 0.05 | 2 (7%) | ND | ND | ND | 0.45 | 0.87 |
| Fonofos | 0.05 | 3 (11%) | ND | ND | 0.26 | 0.56 | 1.06 |
| Malathion | 0.50 | 5 (19%) | ND | ND | 2.87 | 2.88 | 3.06 |
| Parathion-ethyl | 0.05 | 0 (0%) | ND | ND | ND | ND | ND |
| Parathion-methyl | 0.05 | 6 (22%) | ND | ND | 1.83 | 2.14 | 2.53 |
| Profenofos | 0.50 | 10 (37%) | ND | 0.68 | 0.74 | 0.84 | 0.96 |
| Terbufos | 0.05 | 7 (26%) | ND | 0.14 | 0.34 | 0.39 | 0.39 |
| Carbamates | |||||||
| Carbofuranphenol | 0.05 | 9 (33%) | ND | 20.60 | 31.22 | 32.34 | 46.10 |
| Propoxur | 0.05 | 0 (0%) | ND | ND | ND | ND | ND |
| Herbicides | |||||||
| Acetochlor | 0.50 | 5 (19%) | ND | ND | 0.61 | 0.82 | 0.99 |
| Alachlor | 0.05 | 8 (30%) | ND | 0.08 | 3.26 | 3.82 | 5.26 |
| Atrazine | 0.25 | 7 (26%) | ND | 0.67 | 1.53 | 1.68 | 1.83 |
| Linuron | 0.50 | 1 (4%) | ND | ND | ND | ND | 1.10 |
| Metolachlor | 0.05 | 0 (0%) | ND | ND | ND | ND | ND |
| Trifluralin | 0.05 | 0 (0%) | ND | ND | ND | ND | ND |
| Fungicides | |||||||
| Dicloran | 0.05 | 8 (30%) | ND | 1.22 | 7.87 | 9.06 | 11.46 |
| Metalaxyl | 0.05 | 0 (0%) | ND | ND | ND | ND | ND |
| Vinclozolin | 0.05 | 16 (59%) | 0.36 | 0.60 | 1.31 | 1.61 | 1.85 |
| Repellent | |||||||
| Diethyltoluamide | 0.05 | 20 (74%) | 0.29 | 0.52 | 0.78 | 0.98 | 1.08 |
* ND = non-detect