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a KEY TO ABBREVIAT."JNS and METHOD REEFERENCES NET Pati iz-,ir%C < Leas than; when appearing in results column indicates analyte not detected at the value following. This datum supercedes the listed Reporting Limit. • Reporting Limits are a function of the dilution factor for any given sample. To obtain the actual reporting limits for this sample, multiply the stated Reporting Limits by the dilution factor (but do not multiply reported values). ICVS Initial Calibration Verif.icatien Standard (External St&,%dard). mean . Average; sum of measurements dividad by number of measurements. mg/Kg (ppm) : Concentration in units of milligrams of analyte per kilogram of sample, wet-weight basis (parte per million). mg/L Concentration in units of milligrams of analyte per liter of sample. mL/L/hr . Milliliters per liter per hour. MPN/100 mL Most probable number of bacteria per one hundred milliliters of sample. N/A Not applicable. NA Not analyzed. ND Not detected; the analyte concentration is lass than applicable listed reportine limit. NTU Nephelometric turbidity units. RPD Relative percent difference, 100 (Value 1 - Value 21/mean value. SNA Standard not available. ug/Kg (ppb) Concentration in units or micrograms of analyte per kilogram of sample, wet-weight basis (parts per billion). ug/L Concentration in units of micrograms of analyte per liter of sample. umhos/cm Micromhos per centimeter. Method References Hathads 100 through 493: see "Methods for Chemical Analysis of Water & Wastes", U.S. EPA, 600/4-79-020, rev. 1983. Methods 601 through 625: see "Guidelines Establishing Test Procedures for the Analysis of Pollutants" U.S. EPA, 40 CFR, Part 136, rev. 1988. Methods 1000 through 9999: see "Test Methods for Evaluating Solid Waste", U.S. EPA SW-846, 3rd edition, 1986. SM: sse,�"Standard Methods for the Examination of Water Wastewater, 16th E04-tion, APRA, 1985.