Table 2 Number of laboratories where Group 1 and Group 2 organic solvents were in use
From: Use of organic solvents in large research institutions in Japan
AGR | BIOL | MED | SCI | T&E | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | |
Group 1 organic solvents only | 80 | (13.5) | 60 | (9.0) | 125 | (12.3) | 83 | (7.6) | 86 | (7.5) | 434 | (9.6) |
Group 2 organic solvents only | 390 | (65.7) | 461 | (69.4) | 731 | (71.9) | 941 | (86.4) | 803 | (69.6) | 3326 | (73.6) |
Both Group 1 and Group 2 organic solvents | 124 | (20.9) | 143 | (21.5) | 161 | (15.8) | 65 | (6.0) | 264 | (22.9) | 757 | (16.8) |
Group 1 with or without Group 2 organic solvents | 204 | (34.3) | 203 | (30.6) | 286 | (28.1) | 148 | (13.6) | 350 | (30.4) | 1191 | (26.4) |
Totala | 594 | (100) | 664 | (100) | 1017 | (100) | 1089 | (100) | 1153 | (100) | 4517 | (100) |