| Subject | English | Italian |
| environ. | determination method | metodo di determinazione |
| environ. | determination method Method employed in the assessment or in the evaluation of a quantity, a quality, a fact, an event, etc. | metodo di determinazione |
| tech. | flow determination method | sistema di misura del flusso |
| met. | volumetric determination method | metodo di determinazione gas-volumetrica |