| Sostanza | Gomma butilica | Lattice | Polietilene clorurato |
Uretano |
PVC |
Nitrile |
Neoprene |
Altro |
| Lacquer Solvents | 4 | 4 |
4 |
4 |
4 |
4 |
||
| Lacquers | 4 | 4 |
4 |
4 |
4 |
4 |
||
| Lactic Acid | 2 |
1 |
4 |
1 |
1 |
1 |
||
| Lauric Acid | 2 |
1 |
1 |
1 |
1 |
2 |
||
| Lead Acetate | 1 | 1 |
4 |
1 |
2 |
2 |
||
| Lead Nitrate | 1 | 1 |
1 |
1 |
1 |
1 |
||
| Lead Sulfamate | 2 | 1 |
1 |
1 |
2 |
1 |
||
| Lime Bleach | 1 |
1 |
1 |
1 |
2 |
|||
| Lime Sulfur | 1 |
1 |
1 |
4 |
1 |
|||
| Limonene, D- | 3 |
|||||||
| Lindol | 3 |
4 |
3 |
4 |
4 |
|||
| Linoleic Acid | 4 | 1 |
1 |
1 |
2 |
4 |
||
| Linseed Oil | 1 |
2 |
2 |
1 |
2 |
|||
| Liquified Petroleum Gas | 1 |
1 |
1 |
1 |
2 |
|||
| Lubricating Oils | 4 | 1 |
1 |
2 |
1 |
2 |
||
| Lye | 2 | 1 |
4 |
1 |
2 |
2 |