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“ Olsen and Morck 1985 19 Apol and Thoburn 1986, Chovil et al. 1986, and Burton and Malkin 1993 19 Omland et al. 1993 19 Zimmer and Hadwen 1993 19 Thompson 1996 20 3.2.2 NIOSH docket submissions 21 3.2.2.1 Winfield 1983 21 3.2.2.2 Hazelton Laboratories 1985 21 Product test methods 21 Product testing 22 Office activities 24 3.3 Conclusions 25 4 Health Effects 28 4.1 Introduction 28 4.2 Human studies 29 4.2.1 Published case reports and case series 29 Magnusson 1974 30 Hannuksela 1975 30 Wahlberg 1975 30 Hirvonen et al. ”