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® KEY TO ABBREVIATxONs and METHOD REFERENCES <br /> < Less than; When appearing in results column indicates analyte <br /> not detected at the value following This datum supercedes the <br /> listed Reporting Limit <br /> Reporting Limits are a function of the dilution factor for any given <br /> sample Actual reporting limits and results have been multiplxed by <br /> the listed dilution factor. no not multiply the reporting limits or <br /> reported values by the dilution factor <br /> dw Result expressed as dry weight <br /> mean Average; sum of measurements divided by number of measurements. <br /> mg/Kg (ppm) Concentration in units of milligrams of analyte per kilogram of <br /> sample, wet-weight basis (parts per million) . <br /> mg/L Concentration in units of milligrams of analyte per liter of sample <br /> mL/L/hr Milliliters per liter per hour <br /> MPN/100 mL Most probable number of bacteria per one hundred milliliters of sample <br /> i <br /> N/A Not applicable <br /> NA Not analyzed <br /> ND Not detected; the analyte concentration is less than the applicable <br /> listed reporting limit <br /> NTU Nephelometric turbidity units. <br /> RPD Relative percent difference, 3.00 [Value 1 - Value 21 /mean value. <br /> SNA Standard not available. <br /> ug/Kg (ppb) Concentration in units of micrograms of analyte per kilogram of sample, <br /> wet-weight basis (parts per billion) . <br /> ug/L Concentration in units of micrograms of analyte per liter of sample. <br /> umhos/cm Micromhos per centimeter <br /> Method References <br /> Methods 100 through 493 see "Methods for Chemical Analysis of Water & <br /> Wastes", U S. EPA, 600/4-79-020, Rev 1983. <br /> Methods 601 through 625 see "Guidelines Establishing Test Procedures <br /> for the Analysis of Pollutants" U.S EPA, 40 CFR, Part 136, Rev. 1988. <br /> Methods 1000 _through 9999 see "Test Methods for Evaluating Solid <br /> Waste", U S EPA SW-846, 3rd edition, 1986. , Rev. 1, December 1987. <br /> SM see "Standard Methods for the Examination of Water & Wastewater, <br /> 17th Edition, APHA, 1989_ <br /> Revised September, 1993 <br /> abb 93 <br />