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~~ <br />CORE LABORATORIES <br />DUAL I T Y A S S U R A~N C E M E T H O D S <br />R E F E R E N C E S A N D N O T E S <br />Report Dete: 11/23/97 <br />COMMENTS <br />a) ND = Not detected. NC = Not caLcul able due [o value(s) lower <br />than the detection Limit. <br />b) Data in the OA report may differ from final results due to <br />digestion and/or dilution of samples into analytical ranges- <br />Duality control results are reported "as analyzed" within <br />the instruments established calibration range. <br />c) The "Time Analyzed" in the OA report refers to the start time of <br />the analytical batch which may not reflect the actual time of <br />each analysis. The "Date Analyzed" is the actual date of analysis. <br />d) Results for soil and sludge samples are reported on a wet weight <br />basis (i.e. not corrected for percent moisture) unless otherwise <br />indicated. <br />BLANK DL SAMPLE IDENTIFICATION <br />MB Method Blank <br />EB Extraction Blank <br />ICB Initial Calibration Blank <br />LLB Continuing calibration Blank <br />SPIKE OL SAMPLE IDENTIFICATION <br />MS Method (Matrix) Spike <br />NSD Method (Matrix) Spike Duplicate <br />PDS Post-Digestion Spike <br />PSD Post-Digestion Spike Duplicate <br />SB Spike Blank <br />SBD Spike Blank Duplicate <br />REFERENCE STANDARD (IC SAMPLE IDENTIFICATION <br />LCS Laboratory Control Standard <br />RS Reference Standard <br />ICV Initial Calibration Verification Standard <br />CCY Continuing Calibration Verification Standard <br />ISA/ISB ICP Interference Check Sample <br />ILL Initial Calibration/Laboratory Control Sample <br />DSC Distilled Stallard Check <br />CRI CRDL Low-Level 1LP Stallard <br />DUPLICATE OC SAMPLE IDENTIFICATION <br />MD Method (Matrix) Duplicate <br />ED Extraction Duplicate <br />SD Serial Dilution <br />Analyses performed by a subcontract Laboratory are indicated on the <br />analytical and/or quality control reports under "Technician" using <br />the following codes: <br />SUBCONTRACT LABORATORY CODE <br />Core Laboratories - Anaheim, CA • AN <br />Core Laboratories - Casper, wT • CA <br />Lore Laboratories - Corpus Christi, TX • CC <br />Core Laboratories - Edison, NJ • ED <br />Page 2 <br />+n mM*+'rnm >vm+w nueeupe cm~~roa •e im anon m non ~co~.mo~~rvmn,m i.n~w~ W~u er in cwn a.mx e.rorr em rmuawu~.n ~w ~m+n m+um rrou iro+wno ~eun conmc v mia~emuw <br />+•~w. W mu o uriw~ ~~ evunr~T n vmw+,mmnm ~P .gym unneN~ ~5+u+sJ o, Mew ~w+iv ~m~'^".ru~rwv lyns ~w'n rw mi u ium aLn rde v5n un -nr.~.i in m~w~ moN o~ Gee ~amai vin <br />