The author would like to thank Paul Stutzman of BFRL (NIST) for acquiring the two-dimensional images of the CCRL cements, Wei-Guo Lei of the University of Illinois for measuring their particle size distributions, Robin Haupt of CCRL for supplying samples of the cements and results collected from their proficiency sample program, Ken Snyder of BFRL for useful discussions and assistance with the non-evaporable water content measurements, Dr. Eric Lagergren of CAML (NIST) for advice on calibration of the model to experimental results, and Dr. Torben Knudsen of the Technical University of Denmark for advice and suggestions.