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... > Science Keywords > EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > WATER QUALITY/WATER CHEMISTRY > CONTAMINANTS > TOXIC CHEMICALS

TERME PRÉFÉRENTIEL

TOXIC CHEMICALS  

DÉFINITION

  • Chemicals that can cause serious harm to the environment including lakes, oceans, and biota.

CONCEPT GÉNÉRIQUE

NOTE DE CHANGEMENT

  • 2018-03-07 08:51:55.0 [tstevens] Move Concepts delete broader relation (null); add broader relation (TOXIC CHEMICALS [bf3aaf41-3502-49cf-89df-4613ce87c9c3,85115] - CONTAMINANTS [42c6d91b-afef-4638-95c5-0d130828b2e7,84623]);
  • 2018-03-07 09:38:46.0 [tstevens] update Definition (Toxic Chemicals are identified as chemicals that can cause serious harm to the environment including lakes, oceans, and biota.); update Definition (Environmental Protection Agency );
  • 2018-03-07 09:59:18.0 [tstevens] update Definition (Chemicals that can cause serious harm to the environment including lakes, oceans, and biota.);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/bf3aaf41-3502-49cf-89df-4613ce87c9c3

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