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Table 5 Presence of radioactivity in the different extracts of the sequential extraction (applied radioactivity 4.2 kBq 14C-cypermethrin per g soil dm corresponding to 120 mg cypermethrin per kg soil dm)

From: Certainties and uncertainties in accessing toxicity of non-extractable residues (NER) in soil

Soil0.01 m CaCl2Tenax20Tenax1 weekAcetonitrile shakingPLENERTotal recovery
WaterTenaxWaterTenax
Test start
 01-A0.1%0.3%41.5%0.4%22.5%17.6%1.0%0.3%83.7
 02-A0.2%0.3%80.6%0.1%5.9%4.1%0.8%0.3%92.3
 03-G0.2%0.5%42.0%0.3%26.4%21.3%2.9%0.5%94.1
T = 6 months
 01-A0.8%0.0%15.6%0.7%26.5%30.7%1.2%1.4%76.9%
 02-A0.6%0.0%16.5%0.8%34.0%34.7%2.7%2.3%91.6%
 03-G2.0%0.4%13.7%0.5%17.5%31.8%5.4%6.4%77.7%