# Sampling Ambient and Effluent Waters for Trace Metals

Environmental Protection Agency Prepared by DynCorp Environmental under EPA Contract 68-C3-0337 Sampling Ambient and Effluent Waters for Trace Metals AVA20989VNB1, 1997 This video demonstrates the 'clean' field sampling techniques described in EPA draft method 1669: Sampling Ambient Water for Determination of Metals at EPA Water Quality Criteria Levels. Method 1669 was designed to support the implementation of water quality.

- Kind: Educational
- Year: 1997
- By: Environmental Protection Agency
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/gov.ntis.ava20989vnb1)
- Licence or status: [Public domain (Creative Commons dedication)](http://creativecommons.org/licenses/publicdomain/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/gov.ntis.ava20989vnb1?play=1)