The 4th edition of this CDROM contains the world’s largest database of information on the effects of thousands of reagents, the environment, and other exposure media on the properties and characteristics of plastics and elastomers. Hard-to-find information has been normalized to quickly provide answers to questions; PDL ratings are included to provide answers as to whether a material is suitable for further research. Extensive data is given for exposure conditions and the results of exposure. The CDROM format incorporates over 194,000 records into an easy-to-use package with an interface that permits basic search via keyword; advanced search using three distinct Boolean operators; or browsing via name of material or reagent.