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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 Dale: 11/23/97 <br />COMMENTS <br />a) ND =Not detected. NC = Not calculable due to 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 />Quality control results are reported "as analyzed" within <br />the instruments established calibration range. <br />c) The "Time Analyzed" in the DA 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 OC SAMPLE IDENTIFICATION <br />MB Method Blank <br />EB Extraction Blank <br />ICB Initial Calibration Blank <br />CCB Continuing Calibration Blank <br />SPIKE DC SAMPLE IDENTIFICATION <br />MS Method (Ma[ri x) Spike <br />MSD 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 OC SAMPLE IDENTIFICATION <br />LCS Laboratory Control Standard <br />RS Reference Standard <br />ICV Initial Calibration Verification Standard <br />CCV Continuing Calibration Verification Standard <br />ISA/ISB ICP Interference Check Sample <br />ICL Initial Calibration/laboratory Control Sample <br />DSC Distilled Standard Check <br />CRI CRDL Low-level ICP Standard <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, wY • CA <br />Core Laboratories - Corpus Christi, T% " CC <br />Core Laboratories - Edison, NJ * ED <br />Page 2 <br />. ~,~.m,,.,...~~ ~~. ~.,~ wam. ~o: ~a voo.,o.. ~. ~ed.~o.,.,. ,o.r... m...~ „o... , , ~ ~.a~,r~ne„ ..o,... a..,o..o o +m no..ro ..a.,.. ~.n,m, wm... io ~~ o-o.k .. o~@ oa., o.~. ~ o a ,d-.n. e <br />