| Subject | English | Basque |
| environ. | continuous load The amount or quantity of polluting material found in a transporting agent that flows at a steady rate, in contrast to a sudden or dramatic influx | karga iraunkor |
| environ. | critical load The maximum load that a given system can tolerate before failing | karga kritiko |
| environ. | heavy metal load The amount of stress put on an ecosystem by heavy metal pollution released into it | metal astunen karga |
| environ. | immission load The total amount of immissions introduced in a given environment | immisio-karga |
| environ. | load bearing capacity The maximum load that a system can support before failing | uraren karga-ahalmen |
| environ. | pollutant load The amount of polluting material that a transporting agent, such as a stream, a glacier, or the wind, is actually carrying at a given time | kutsadura-karga |
| environ. | pollution load The amount of stress placed upon an ecosystem by pollution, physical or chemical, released into it by man-made or natural means | kutsadura-karga |
| environ. | salt load | gatz-karga |
| environ. | sudden load Sudden immission in considerable amount of one or more pollutants in the atmosphere, in a water body or in the soil | ustekabeko karga |
| environ. | waste water load The amount of spent or used water, often containing dissolved and suspended matter, that is found in a stream or some other body of water | ur zikinen karga |