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Glossary of Terms & Qualifier Definitions <br />Client:ACTEnviro <br />Project:595956; Vestis Services, LLC <br />WorkOrder:2507849 <br />McCampbell Analytical, Inc.1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br />http://www.mccampbell.com / E-mail: main@mccampbell.com"When Quality Counts" <br />D Serial Dilution Percent Difference <br /> Inter al Confident Inter al <br />CCV Continuing Calibration Verification. <br />CCV RC () recoery of Continuing Calibration Verification. <br />CPT Consumer Product Testing not LAP Accredited <br />DF Dilution Factor <br />DI WT (DISTLC) Waste traction Test using DI water <br />DISS Dissoled (direct analysis of 0. m filtered and acidified water sample) <br />DLT Dilution Test (Serial Dilution) <br />DP Duplicate <br />DL stimated Detection Limit <br />RS ternal reference sample. Second source calibration erification. <br />ITF International To icity quialence Factor <br />LCS Laboratory Control Sample <br />LCS2 Second LCS for the batch. Spike leel is lower than that for the first LCS applicable to method 33. <br />LQL Lowest Quantitation Le el <br />MB Method Blank <br />MB IS SS Rec Reco ery of Internal Standard or Surrogate in Method Blank if applicable <br />MB SS Rec Reco ery of Surrogate in Method Blank if applicable <br />MDL Method Detection Limit <br />ML Minimum Le el of Quantitation <br />MS Matri Spike <br />MSD Matri Spike Duplicate <br />A ot Applicable <br />D ot detected at or abo e the indicated MDL or RL <br />R Data ot Reported due to matri interference or insufficient sample amount. <br />PDS Post Digestion Spike <br />PF Prep Factor <br />RD Relatie Difference <br />RL Reporting Limit ² <br />RPD Relatie Percent Difference <br />RRT Relatie Retention Time <br />RSD Relatie Standard Deiation <br />SR Surrogate is diluted out of the calibration range <br />¹ MDL is the minimum measured concentration of a substance that can be reported with 99% confidence that the measured concentration is <br />distinguishable from method blank results. Definition and Procedure for the Determination of the Method Detection Limit, Revision 2, 40CFR, <br />Part 136, Appendix B, EPA 821-R-16-006, December 2016. Values are based upon our default extraction volume/amount and are subject to <br />change. <br />² RL is the lowest level that can be reliably determined within specified limits of precision and accuracy during routine laboratory operating <br />conditions. (The RL cannot be lower than the lowest calibration standard used in the initial calibration of the instrument and must be greater <br />than the MDL.) Values are based upon our default extraction volume/amount and are subject to change. <br />Page 2 of 17