Fig. 9From: Cationic polyacrylamide copolymers (PAMs): environmental half life determination in sludge-treated soilCAKE model evaluation plot for disappearance of radioactivity (% aR) from the top 0–10 cm lysimeter layer. Observations and fitted model (above), residuals (below). Kinetic model: single first order. Prob > t: 0.001. Parent rate constant: 3.5e−004/day, 3 replicatesBack to article page