Fig. 1
From: Use of organic solvents in large research institutions in Japan
Number of types of organic solvents detected in laboratories of various fields of science The left-most five columns for each solvent number group are (from left to right) for agriculture (AGR), biology (BIOL), medicine (MED), natural science (SCI), and technology and engineering (T&E). The right-most thick columns are for use in enterprises (cited from Ref. [18]). Note that cases with 8–13 solvents are summed up