PACS Inc. of Pittsburgh offers software useful for activated carbon manufacturers and users. The software has seven modules that can be purchased individually or as a group. The titles are: Aqueous and Vapor-Phase Carbon Adsorption Softwar; VOC Vapor-Phase Carbon Adsorption Software with Relative Humidit; ASTM Particle Sizing Analysis; ASTM Isotherm Analysis; Physical/Chemical Compound Database; Refractive Index Estimator; andASTM Glossary of Activated Carbon Terms.