Terms for subject Environment containing traces

English	German
trace compounds in the atmosphere	Spurenverbindung in der Luft
trace gases in the atmosphere	Spurengase in der Atmosphäre
trace material 1. Both metals and non-metals, essential for the metabolic processes of algae, invertebrates and vertebrates. Organisms that derive nearly all their energy via photosynthesis are especially dependent upon dissolved trace substances. 2. Impurities that are present at small but detectable levels	Spurenstoff
trace material	Spurenstoff
tracing method	Tracer-Methode
ultra-trace	Ultraspur