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This work demonstrates the Elemental Scientific prepFAST automated sampling system featuring novel SampleSense™ technology coupled with a PerkinElmer NexION 2000 ICPMS performing analysis with this U.S. EPA method.

This work demonstrates the ability of the Elemental Scientific FAST system with revolutionary SampleSense Ultra-high throughput technology to meet the demanding requirements of U.S. EPA Method 200.7 and do it with sample-to-sample analysis times of 45 seconds or less. This is a productivity breakthrough for the high-throughput environmental laboratory.

The amount of chromium in drinking water has been a controversial and debatable topic recently. The EPA set the federal drinking water maximum contaminant level (MCL) to be less than 100 ppb total Cr based on a study from 1991. However, the Safe Drinking Water Act (SDWA) requires the EPA to periodically review the level of contaminants in drinking water. In 2008, the EPA started to review the health effects associated with hexavalent chromium (Cr(VI)).

The measurement of trace metals in environmental waters is of great importance to ecosystems and human health, not only for the provision of safe drinking water to communities, but also to protect the natural world from the toxic effects of excess pollution from industrial discharge and treated wastewater effluent. Therefore, the levels of many trace metals are often regulated by law for waters discharged into the environment as a result of human activities.

Metal impurities need to be determined in organic solvents used in pharmaceuticals production, electronics manufacturing, food oil or fat extraction, and many other applications. ICP is an excellent choice for ppb level detection of metals in organic solvents. This note demonstrates a specialized automation and sample introduction system optimized for organic solvents analysis using a sequential ICP detector.