By David Reed, UT EditorPittsburgh, Pennsylvania-Bayer MaterialScience llc has released revisions of its safe-handling manuals for users of TDI (toluene diisocyanate) and MDI (methylene diphenyl diisocyanate) with updated details on their chemical and physical properties, bulk-storage systems, loading and unloading provisions and other safe-handling considerations for the key polyurethane raw materials. The material in the guides is presented clearly with full-colour illustrations and informative inserts detailing specific points and procedures, Bayer says. They are issued as part of the firm's commitment to progressive product stewardship.Titled Safe handling and storage of polymeric MDI, and Safe handling and storage of toluene diisocyanate, the manuals are available as a CD-ROM on request or as downloads from Bayer's product stewardship website, www.BayCareOnline.com . The CD-ROM version also includes a digital video presentation as well as leaders' guides to facilitate employee training, Bayer points out. The presentations and leaders' guides are available in English, Spanish, Portuguese and Canadian French."