数量iv, 88 p. : ill. ; 30 cm.
言語注記Text in English, with summaries in French and Spanish.
一般注記"Technically and linguistically edited by Marla Sheffer."--P. [ii].
"Published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organization, and the World Health Organization, and produced within the framework of the Inter-Organization Programme for the Sound Management of Chemicals."
書誌注記Includes bibliographical references (p. 33-49) .