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1534 Willow Pass Road, Pittsburg, CA 94565- 1701 <br /> _Wma <br /> 44 M c C a m p b e I l Analytical , Inc . Toll Free Telephone: (877) 252-9262 / Fax: (925 ) 252-9269 <br /> \ rWkei: Quality Counts " http://www.mccamr� m <br /> pbell. coin / E-mail : main ccampbell. coin <br /> Glossary of Terms & Qualifier Definitions <br /> Client : Precision Enviro -Tech <br /> Project. 8040520 <br /> WorkOrder : 1804682 <br /> Aquatic Toxicity Test Abbreviation <br /> -- No Data , Cell Intended to be Blank <br /> ANOVA Analysis of Variance <br /> ASTM American Society for Testing and Materials <br /> AUX Auxiliary Control <br /> Aux Control Method Blank or Lab Control water subjected to same tratment as the 100 % sample . <br /> BILK Treatment Blank <br /> CFR Code of Federal Regulations <br /> CTL Laboratory Control <br /> CV Coefficient of Variation <br /> EPA U . S . Environmental Protection Agency <br /> IC25 Inhibition Concentration , 25 percent <br /> IWC Instream Waste Concentration <br /> LC50 Lethal Concentration , 50 percent <br /> LOEC Lowest Observed Effect Concentration <br /> MDL Maximum Daily Limit <br /> MSD Minimum Significant Difference <br /> N/A Not Applicable <br /> NELAP National Environment Laboratory Accreditation Program <br /> NM Not Measured <br /> NOEC No Observed Effect Concentration <br /> NPDES National Pollutant Discharge Elimination System <br /> PMSD Percent Minimum Significant Difference <br /> QA Quality Assurance <br /> QC Quality Control <br /> RW Receiving Water <br /> RWC Receiving Water Concentration <br /> TAC Test Acceptability Criteria <br /> TIE Toxicity Identification Evaluation <br /> TMDL Total Maximum Daily Load <br /> TRE Toxicity Reduction Evaluation <br /> TSD EPA' s Technical Support Document for Water Quality-based Toxics Control <br /> TU Toxic Unit (Tua = acute toxicity ; Tuc = chronic toxicity ) <br /> VF Variability Factor <br /> WLA Waste Load Allocation <br /> Page 3 of 9 <br />