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Standard reference samples for water quality analysis

http://bqs.usgs.gov/srs/

Standard reference samples for laboratory quality assurance testing and are available to purchase for internal quality control. The majority of samples are prepared with water from Colorado streams.

Related topics:
Materials standards, Surface water quality, Water chemistry
Alternative formats of this information:
Compatible standard Format
FGDC-CSDGM Text XML JSON
CCM of Project Open Data JSON
ISO 19115 XML

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