List of studies not used in the benzene-NHL meta-analysis (8/21/07)
Study	Reason not used	Where/Who	Type
Arnetz et al., 1991	No data on benzene	Chemical manufacturing	coh
Arp et al., 1983	No data on NHL. Only gives data for lymphocytic leukemia (ICD8 204)	Rubber manufacturers	coh
Baris et al., 2001	No data on benzene	Firefighters	coh
Blair et al., 1985	No data on benzene	Veterans	coh
Bond et al., 1986	Overlap with Bloemen et al., 2004	Chemical manufacturing	coh
Brown et al., 2002	No data on benzene	Painters	coh
Burnett et al., 1999	No data on benzene	Scientists	coh
Cartwright et al., 1988	Only gives data for all solvents	Yorkshire, UK	cc
Constantini et al., 2001	No data on benzene	Italy	cc
Decouffle et al., 1983	No observed NHL cases	Chemical manufacturing	coh
Delzell et al., 1982	No data on NHL. No data on benzene	Akron OH, rubber manufacturing company	coh
Fritschi & Siemiatycki, 1996	Overlap with Gerin et al., 1998	Montreal, 1979-85	cc
Fu et al., 1996	Overlap with Seniori-Constantini et al., 2003. All solvents combined	Shoe manufacturing	coh
Garland et al., 1988	No data on benzene	Navy personnel	coh
Greene et al., 1979	No data on benzene	Government printing office	coh
Greenland et al., 1994	No data on NHL. All lymphomas combined	Pittsfield, Mass	cc
Hall and Rosenman, 1991	No data on benzene	Multiple industries	coh
Hardell et al., 1981	Overlap with Hardell et al., 1994	Umea	cc
Hours et al., 1995	No data on NHL	Multiple industries	cc
Hunter et al., 1993	No data on benzene	Chemists	coh
Hunting et al., 1995	No data on benzene	Mechanics	coh
Kauppinen et al., 2003	No data on benzene	Laboratory workers. Finland	coh
Lagorio et al., 1994	No data on benzene	Service stations	coh
Lynge et al., 1997	No data on benzene	Service station workers. Finland, Norway…	coh
McMichael et al., 1975	No data on benzene	Akron, OH and other rubber manufacturing plants	coh
Miller et al., 1989	No data on benzene	Furniture workers	coh
Norseth et al., 1983	No data on NHL. All lymphomas combined	Norway, shoe and tire plant	coh
Ott et al., 1978	Overlap with Bloemen et al., 2004	Chemical manufacturing	coh
Ott et al., 1989	No confidence interval is given. 3 exposed cases	Union Carbide Corp	cc
Paxton, 1996	No data on NHL. Overlap with Rinsky et al., 2002	Pliofilm manufacturing	coh
Peters et al., 1976	No data on NHL. No data on benzene.	Rubber manufacturers	coh
Rafnsson, 2001	No data on benzene	Bookbinders and printers	coh
Rinsky et al., 1988	No data on benzene	Chemical manufacturing	coh
Schumacher and Delzell 1988	Benzene exposure based on "usual occupation" on death certificates	North Carolina	cc
Schwartz, 1987	No data on benzene	Mechanics and service station workers	coh
Seniori-Constantini et al., 2003	No data on NHL	Shoe manufacturing	coh
Spritas et al., 1991	No data on benzene	Aircraft maintanence.	coh
Steenland & Palu et al., 1999	No data on benzene	Painters	coh
Terstegge et al., 1995	No data on benzene	Painters	coh
Vianna and Polan, 1979	No data on benzene	Uses death certicicates for job information.	coh
Wilcosky et al., 1984	No confidence interval is given. 3 exposed cases	Akron, OH rubber workers	cc
Wong, 1995	No data on NHL.	Pliofilm manufacturing, Ohio	coh
Wong, 1998	Exposure categories given in older papers	Updates 1987 chemical plant and 1995 Pliofirm papers	coh
Xu et al., 2003	Data for "malignant lymphoma"	Sichuan	cc
Yin et al., 1996	Overlap with Hayes et al., 1997.	China, multiple facilities	coh
Zhao et al., 2005	No data on NHL	Aerospace industry	coh
Zoloth et al., 1986	No data on benzene	Pressmen	coh