Natural environment

Natural environment

Related to any physical feature of the earth's natural environment.

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Natural environment > Water

drive casing

Natural environment; Water

Heavy duty steel casing driven along with the sampling tool in cased DP systems. Keeps the hole open between sampling runs and is not removed until last sample has been collected.

drive point profiler

Natural environment; Water

An exposed groundwater DP system used to collect multiple depth-discrete groundwater samples. Ports in the tip of the probe connect to an internal stainless steel or teflon tube ...

drop-off

Natural environment; Water

Recyclable materials collection method in which individuals bring them to a designated collection site.

dump

Natural environment; Water

A site used to dispose of solid waste without environmental controls.

dustfall jar

Natural environment; Water

An open container used to collect large particles from the air for measurement and analysis.

ecological entity

Natural environment; Water

In ecological risk assessment, a general term referring to a species, a group of species, an ecosystem function or characteristic, or a specific habitat or biome.