Here are some USGS Web pages with more information on laboratory methods and Anywhere:
Office of Water Quality, Branch of Quality Systems
Branch of Quality Systems monitors the consistent collection and reporting of water quality data with documentation of field and laboratory methods and proficiency testing. Links to standard reference samples and quality assurance standards.
(Score: 1.380)
Agricultural chemicals
Overview of the Toxic Substances Hydrology Program role in investigating the occurrence and fate of agricultural chemicals with links to investigations, headlines, on-line fact sheets, new publications, bibliographies and photo gallery.
(Score: 0.690)
Publications on Techniques of Water-Resources Investigations
List of publications in the series Techniques of Water-Resources Investigations on the procedures for the planning and conducting of specialized research in water resources.
(Score: 0.690)
Scientific capabilities
Links to information on laboratory and field scientific techniques and equipment used and maintained for geologic research in the USGS. Site is incomplete and information is not available for some of the links.
(Score: 0.630)