| Field | Type | Required? | Description |
|---|---|---|---|
| FlowName | String | Y | ID or name of flow in its native source |
| FlowAmount | Numeric | Y | The amount of a given flow released to a given environment compartment or waste generated in a reference unit. Uses metric reference units. 'kg' is the reference unit for mass; 'MJ' is the unit for energy. |
| FacilityID | String | Y | a unique identification number used by the inventory to track the facility |
| DataReliability | Numeric | Y | A score of data reliability based on reporting values associated with the amount see US EPA Data Quality System and Cashman et al. 2017 |
| Compartment | String | Y | Name of compartment to which release goes, e.g. "air", "water", "ground". Used for inventory sources characterizing releases to multiple compartments. |
| Unit | String | Y | SI unit acronym. 'kg' for mass flows; 'MJ' for energy flows |
| Source | String | Y | The standard acronym for the inventory that includes this flow |
| Year | String | Y | The year of the inventory |
| SRS_ID | String | N | The Substance Registry Service (FRS) substance ID number |
| SRS_CAS | String | N | The Substance Registry Service (FRS) substance CAS number |
| FRS_ID | String | N | The Facility Registry Service (FRS) facility ID number |
| FacilityIDs_Combined | String | N | Concatenated FacilityID when FRS_ID is shared |
| %Source%_ID | String | N | The FacilityID number of the base inventory source used for selecting facilities to be combined |