EPA Home A Science Inventory A Quantitative structure – mesothelioma Potency Model Optimization for Complex Mixtures of Elongated Particles in Rat Pleura Cook, P., J. Swintek, T. Dawson, D. Chapman, M. Etterson, AND D. Hoff. Quantitative structure – mesothelioma Potency Model Optimization for Complex Mixtures of Elongated Particles in Rat Pleura.