Figure 6. Detections of nine volatile organic compounds in samples from National Pollutant Discharge Elimination System surface-water sites, South-Central Texas study area.
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U.S. Department of the Interior, U.S. Geological Survey Persistent URL: http://pubsdata.usgs.gov/pubs/wri/wri974028/Fig6.htm Page Contact Information: USGS Publishing Network Last modified: Wednesday, September 21 2005, 02:52:14 PM