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A retention time locked (RTL) method for the determination of trace level volatile organic compounds (VOCs) in environmental waters was developed on the Agilent 7697A Headspace and 7890B/5977A GC/MS. Analysis on the GC/MS was performed in simultaneous Scan/SIM mode. This method can determine 66 VOCs over a calibration range of 1 – 20 µg/L with some compounds being detectable at lower levels. This method is therefore suitable for routine analysis, as part of a monitoring strategy that includes volatile organic compounds, as detailed in the update to Annex I: Environmental Quality Standards for Priority Substances and certain other Pollutants.
Publication number: 5991-3927EN.pdf
Publication Date: February 14, 2014