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Quality of Methyl tert-Butyl Ether (MTBE) Data for Ground-Water Samples Collected During 1993-95 as Part of the National Water-Quality Assessment Program

Gregory C. Delzer, and James G. Setmire

U.S. Geological Survey, 1608 Mountain View Road, Rapid City, South Dakota 57702, USA
Phone (605) 355-4560, ext. 230, Telecopier, (605) 355-4523,

This fact sheet presents information for assessing the quality of methyl-tert butyl ether (MTBE) data collected from ground water during 1993-95 as part of the U.S. Geological Survey's (USGS) National Water-Quality Assessment (NAWQA) program. Results indicate that the ground-water samples collected during 1993-95 are not positively biased due to sample contamination. Results also indicate favorable recovery of MTBE in ground-water samples and precise analyses.


U.S. Geological Survey, Fact Sheet, FS-101-99

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