| UOM | Category | Short Description | Long Description |
|---|---|---|---|
| tMb | DENSI | t/MMbbl | Tonne/Million US Barrels |
| tMs | DENSI | t/Mscf | Tonne/Mil. Standard Cubic Feet |
| Tmt | MASFLO | t/Month | Tonne/Month |
| TO | MASS | t | Ton |
| TON | MASS | US Ton | US Ton |
| ToS | MASFLO | t/h | Tonne/Hour |
| Tot | MPROPO | t/ton | Tonne/US Ton |
| TST | TIME | ||
| tt | MPROPO | t/t | Ton/Ton |
| ttj | MAPER | t/TJ | Ton/Terajoule |
| UGL | DENSI | µg/l | Microgram/liter |
| USH | DOSRAT | uSv/h | Microsieverts per hour |
| V | VOLTAG | V | Volt |
| V% | VPROPO | %(V) | Percent volume |
| V%O | VPROPO | %O(V) | Permille volume |
| V01 | CONDUC | µS/cm | Microsiemens per centimeter |
| V02 | ACBAC | Millimol/l | Millimole per Liter |
| VAL | AAAADL | Value | Value-Only Material |