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COLUMBIA ALYTICAL SERVICES, Inc. <br />Acronyms <br />A&A American Association for Laboratory Accreditation <br />ASTM American Society for Testing and Materials <br />BOD Biochemical Oxygen Demand <br />BTEX Benzene, Toluene, Ethylbenzene, Xylenes <br />CAM California Assessment Metals <br />CARR California Air Resources Board <br />CAS Number Chemical Abstract Service registry Number <br />CFC Chlorofluorocarbon <br />CFU Colony -Forming Unit <br />COD Chemical Oxygen Demand <br />DEC Department of Environmental Conservation <br />DEQ Department of Environmental Quality <br />DHS Department of Health Services <br />DLCS Duplicate Laboratory Control Sample <br />DMS Duplicate Matrix Spike <br />DOE Department of Ecology <br />DOH Department of Health <br />EPA U. S. Environmental Protection Agency <br />FLAP Environmental Laboratory Accreditation Program <br />GC Gas Chromatography <br />GCIMS Gas Chromatography/Mass Spectrometry <br />IC Ion Chromatography <br />ICB Initial Calibration Blank sample <br />ICP Inductively Coupled Plasma atomic emission spectrometry <br />ICV Initial Calibration Verification sample <br />J Estimated concentration. The value is less than the MRL, but greater than or equal to <br />the MDL. If the value is equal to the MRL, the result is actually <MRL before rounding. <br />LCS Laboratory Control Sample <br />LOFT Leaking Underground Fuel Tank <br />M Modified <br />MBAS Methylene Blue Active Substances <br />MCL Maximum Contaminant Level. The highest permissible concentration of a <br />substance allowed in drinking water as established by the U. S. EPA. <br />MDL Method Detection Limit <br />MPN Most Probable Number <br />MRL Method Reporting Limit <br />MS Matrix Spike <br />MTBE Methyl tert-Butyl Ether <br />NA Not Applicable <br />NAN Not Analyzed <br />NC Not Calculated <br />NCASI National Council of the paper industry for Air and Stream Improvement <br />ND Not Detected at or above the method reporting/detection limit (MRUMDL) <br />NIOSH National Institute for Occupational Safety and Health <br />NTU Nephelometric Turbidity Units <br />ppb Parts Per Billion <br />PPM Parts Per Million <br />PQL Practical Quantitation Limit <br />QA/QC Quality Assurance/Quality Control <br />RCRA Resource Conservation and Recovery Act <br />RPD Relative Percent Difference <br />SIM Selected Ion Monitoring <br />SM Standard Methods for the Examination of Water and Wastewater, 18th Ed., 1992 <br />STLC Solubility Threshold Limit Concentration <br />SW Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, SW -846, <br />3rd Ed., 1986 and as amended by Updates 1, 11, IIA, and IIB. <br />TCLP Toxicity Characteristic Leaching Procedure <br />TDS Total Dissolved Solids <br />TPH Total Petroleum Hydrocarbons <br />tr Trace level. The concentration of an analyte that is less than the PQL but greater than or equal <br />to the MDL. If the value is equal to the PQL, the result is actually <PQL before rounding. <br />TRPH Total Recoverable Petroleum Hydrocarbons <br />TSS Total Suspended Solids <br />TTLC Total Threshold Limit Concentration <br />VOA Volatile Organic Analyte(s) ACRONLST.DOC 7/14/95 <br />Page 2 <br />