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Water samples were accurately measured on the UVF-3100 analyzer, calibrated
to Sitelab's GRO calibration kit. Results below are compared to the
GRO in water concentrations reported by 83 participating laboratories.
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Instrumentation used by participating laboratories: GC-FID, GC-PID, GC-MS.
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Examples of laboratory GRO methods used in this study: U.S. EPA 8015, 8015B,
8015M, 8020, 8260B, California LUFT, Maine 4.2.17, NWTPH-Gx and IDNR OA-1. |
