| Acronym | Meaning |
 | MMD | Mass Medium Diameter (particle Size) |
| APSIS | Athenian Photochem. Smog Intercomparison Of Simulations |
| RCF | Rolling Contact Fatigue |
| PAA | Photon Activation Analysis |
| BIOFOR | Biogenic Aerosol Formation In The Boreal Forest |
| MAP | Magnesium Ammonium Phosphate |
| TCLP | Toxicity Characteristic Leaching Procedure |
| IABO | International Association Of Biological Oceanography (ICSU) |
| I&C | Instrumentation And Control |
| RILS | Regulatory Interpretation Letters |
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