Compiled as an immediate source of reference and guidance, this manual was published by the Scottish Schools Science Equipment Research Centre to provide the following information about alphabetically listed chemicals considered to be hazardous: (1) the hazards; (2) incompatibility with other agents; (3) methods for handling, storage, disposal and spillage; and (4) first aid techniques for eyes, lungs, mouth, and skin. An introduction describes general safety rules for the use of chemicals in school laboratories. (CS)