NIOSH issues CD-ROMs to provide, in a single source, collections of Institute documents. The CD-ROM format can store large amounts of information, which is then readily available to workers, employers, occupational safety and health professionals, organizations and government agencies, and other interested parties. In addition, the ability to electronically search the complete contents of the CD-ROMs for a particular subject(s) or concept(s) enhanced the usefulness of this product. A description of the type(s) of NIOSH documents on each CD-ROM is contained in the insert that accompanies the CD-ROM. This information is also available on the CD-ROM itself (see "Document Set Info," page 31). The CD-ROMs are created by linking the electronic text of each page to an actual image of that page. A printed copy of each of the documents is scanned using optical character recognition (OCR) to create an electronic text of that document before creating the link. When searching the CD-ROMs, you are actually searching the electronic text. Because OCR conversion is not 100% accurate, the scanning process may introduce some errors into the electronic text (see "What is Pundit?" on page 6). Therefore, only the actual page images are the official versions of the documents. The software used to search the NIOSH CD-ROMs is a Windows-based program called Pundit, which is contained on the CD-ROM discs. Detailed instructions for installing Pundit on your computer and searching the CD-ROMs are contained in this User's Guide. Pundit contains a variety of features that facilitate your use of the CD-ROMs. For example, a list of all the documents on each disc can be automatically generated using the Browse option (pate 36). The fuzzy search capability (page 15) and the Vocabulary option (page 35) can be used to overcome some of the errors introduced by the OCR scanning. The electronic text of the documents can be downloaded into work processing software using the Launch option(page 32). Pundit's features are described in detail in the following pages.