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Analytical, <br />� 1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />M C C a m p b e l l A n a l Y I+ i C a l, I n c. Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br />-When Quality Counts" http://www.mccampbell.com/ E-mail: main@mccampbell.com <br />Glossary of Terms & Qualifier Definitions <br />Client: Fremouw Environmental Services, Inc. <br />Project: Pick N Pull/ Stockton <br />WorkOrder: 1812236 <br />Aauatic Toxicitv Test Abbreviation <br />-- <br />No Data, Cell Intended to be Blank <br />ANOVA <br />Analysis of Variance <br />ASTM <br />American Society for Testing and Materials <br />AUX <br />Auxiliary Control <br />Aux Control <br />Method Blank or Lab Control water subjected to same tratment as the 100% sample. <br />BLK <br />Treatment Blank <br />CFR <br />Code of Federal Regulations <br />CTL <br />Laboratory Control <br />CV <br />Coefficient of Variation <br />EPA <br />U.S. Environmental Protection Agency <br />IC25 <br />Inhibition Concentration, 25 percent <br />IWC <br />Instream Waste Concentration <br />LC50 <br />Lethal Concentration, 50 percent <br />LOEC <br />Lowest Observed Effect Concentration <br />MDL <br />Maximum Daily Limit <br />MSD <br />Minimum Significant Difference <br />N/A <br />Not Applicable <br />NELAP <br />National Environment Laboratory Accreditation Program <br />NM <br />Not Measured <br />NOEC <br />No Observed Effect Concentration <br />NPDES <br />National Pollutant Discharge Elimination System <br />PMSD <br />Percent Minimum Significant Difference <br />QA <br />Quality Assurance <br />QC <br />Quality Control <br />RW <br />Receiving Water <br />RWC <br />Receiving Water Concentration <br />TAC <br />Test Acceptability Criteria <br />TIE <br />Toxicity Identification Evaluation <br />TMDL <br />Total Maximum Daily Load <br />TRE <br />Toxicity Reduction Evaluation <br />TSD <br />EPA's Technical Support Document for Water Quality -based Toxics Control <br />TU <br />Toxic Unit (Tua = acute toxicity; Tuc = chronic toxicity) <br />VF <br />Variability Factor <br />WLA <br />Waste Load Allocation <br />Page 3 of 17 <br />