| M/I |
| Manufacturer/Importer. |
 |
| MAC |
| Maximum Acceptable Concentration. |
|
| MAD |
| Mutual Acceptance of Data (as devised by OECD). |
|
| MAFF |
| Ministry of Agriculture, Fisheries and Food (UK). |
|
| MAI |
| Multilateral Agreement on Investment. |
|
| MAK |
| See Maximale Arbeitsplatzkonzentrationen (MAK). |
|
| MAN |
| Mutual Acceptance of Notification (as advised by OECD). |
|
| Margin of Exposure (MOE) |
| Ratio of the No Observable Adverse Effect Level (NOAEL) or an appropriate substitute to the estimated or actual level of exposure to a substance. |
|
| Margin of Safety (MOS) |
| The Risk Characterisation Ratio (RCR) of a suitable effect or no-effect level to a human exposure value. |
|
| MARPOL |
| 1973 convention on Marine Pollution. |
|
| MARPOL 73/78 |
| International convention for the prevention of pollution from ships initiated 1973, 5 annexes in 1978. |
|
| MAVESZ |
| Hungarian Chemical Industry Association. |
|
| Maximale Arbeitsplatzkonzentrationen (MAK) |
| The German Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area. It is responsible for setting MAK values (Maximale Arbeitsplatzkonzentration : maximum workplace concentration - equivalent to an OES) for chemicals. |
|
| MDF |
| Medium Density Fibreboard. |
|
| MEA |
1. Monoethanolamine. See ethanolamine.
2. Multilateral Environment(al) Agreement. |
|
| MEG |
| See monoethylene glycol (MEG). |
|
| MEK |
| Methyl ethyl ketone. |
|
| MEL |
| Maximum Exposure Limit. |
|
| melamine-formaldehyde (MF) |
| It is a thermoset polycondensate used in molding compounds and food containers (e.g. dishes). It has high surface hardness and scratch resistance. High resistance to creep, heat, moisture, boiling water. High shrinkage, easy to crack in formation. |
|
| melting point |
| The temperature at which a solid substance changes to a liquid state. |
|
 |
| |
1
2
3
4
|
B
