Table 6 Presence of radioactivity in the different extracts of the sequential extraction (applied radioactivity 4.8 kBq 14C-carbendazim per g soil dm corresponding to 120 mg carbendazim per kg soil dm)
From: Certainties and uncertainties in accessing toxicity of non-extractable residues (NER) in soil
Soil | 0.01 M CaCl2 | Tenax20 | Tenax1 week | Methanol shaking | ASE | NER | Total recovery | ||
|---|---|---|---|---|---|---|---|---|---|
Water | Tenax | Water | Tenax | ||||||
Test start | |||||||||
01-A | 19.2% | 5.5% | 45.3% | 0.3% | 8.7% | 0.9% | 0.3% | 0.6% | 80.8% |
02-A | 17.3% | 4.7% | 71.7% | 0.5% | 2.3% | 0.5% | 0.2% | 0.7% | 97.9% |
03-G | 10.8% | 12.2% | 69.4% | 0.2% | 6.3% | 1.3% | 0.8% | 1.3% | 102.3% |
T = 6 months | |||||||||
01-A | 0.4% | 0.7% | 0.2% | 0.8% | 0.2% | 0.4% | 0.5% | 4.2% | 7.4% |
02-A | 0.2% | 0.3% | 0.1% | 0.5% | 0.1% | 0.5% | 0.7% | 12.2% | 14.6% |
03-G | 0.9% | 0.9% | 0.1% | 1.0% | 0.5% | 0.5% | 1.9% | 30.3% | 36.1% |