NWQL 50th Anniversary Celebration - drone photo of attendees
NWQL 50th Anniversary Celebration - drone photo of attendeesGroup of attendees at the National Water Quality Lab's 50th Anniversary Celebration, Denver, Colorado on August 12, 2026
Multimedia
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NWQL 50th Anniversary Celebration - drone photo of attendees
NWQL 50th Anniversary Celebration - drone photo of attendees
NWQL 50th Anniversary Celebration - drone photo of attendeesGroup of attendees at the National Water Quality Lab's 50th Anniversary Celebration, Denver, Colorado on August 12, 2026
Chemist preparing water samples at National Water Quality Lab (NWQL)
Chemist preparing water samples at National Water Quality Lab (NWQL)Chemist preparing water quality samples at the USGS National Water Quality Laboratory (NWQL). These water samples were collected for PFAS analysis.
Chemist preparing water samples at National Water Quality Lab (NWQL)
Chemist preparing water samples at National Water Quality Lab (NWQL)Chemist preparing water quality samples at the USGS National Water Quality Laboratory (NWQL). These water samples were collected for PFAS analysis.
Chemist processing water quality samples at National Water Quality Lab (NWQL)
Chemist processing water quality samples at National Water Quality Lab (NWQL)Chemist placing water-quality samples in a centrifuge at the USGS National Water Quality Laboratory (NWQL). These samples were collected for PFAS analysis.
Chemist processing water quality samples at National Water Quality Lab (NWQL)
Chemist processing water quality samples at National Water Quality Lab (NWQL)Chemist placing water-quality samples in a centrifuge at the USGS National Water Quality Laboratory (NWQL). These samples were collected for PFAS analysis.
Chemist analyzing water quality results at National Water Quality Lab (NWQL)
Chemist analyzing water quality results at National Water Quality Lab (NWQL)Chemist reviewing the output of water-quality sample analysis at the USGS National Water Quality Laboratory (NWQL). These water samples were collected for the analysis of pesticide contamination.
Chemist analyzing water quality results at National Water Quality Lab (NWQL)
Chemist analyzing water quality results at National Water Quality Lab (NWQL)Chemist reviewing the output of water-quality sample analysis at the USGS National Water Quality Laboratory (NWQL). These water samples were collected for the analysis of pesticide contamination.
Chemist performing quality assurance at National Water Quality Lab (NWQL)
Chemist performing quality assurance at National Water Quality Lab (NWQL)Chemist running quality-control process on lab equipment at the USGS National Water Quality Laboratory (NWQL)
Chemist performing quality assurance at National Water Quality Lab (NWQL)
Chemist performing quality assurance at National Water Quality Lab (NWQL)Chemist running quality-control process on lab equipment at the USGS National Water Quality Laboratory (NWQL)
National Water Quality Lab (NWQL) scientist processes water samples
National Water Quality Lab (NWQL) scientist processes water samplesNWQL scientist loading vials into an analysis system at the National Water Quality Laboratory.
National Water Quality Lab (NWQL) scientist processes water samples
National Water Quality Lab (NWQL) scientist processes water samplesNWQL scientist loading vials into an analysis system at the National Water Quality Laboratory.
Videos
Churn Operation
Training video demonstrating proper water quality churn operation.
Training video demonstrating proper water quality churn operation.