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i~~~l <br />CORE LABORATORIES <br />Q U A L 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 Date: 08/23/97 <br />COMMENTS <br />a) ND = Not de[ec ted. NC = Not calculable due to value(s) lower <br />than the detection Limit. <br />b) Data in [he 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 corret [ed 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 OC SAMPLE IDENTIFICATION <br />MS Method (Matrix) Spike <br />MSD Method (Matrix) Spike Duplicate <br />PDS Pos t-Digestion Spike <br />PSD Post-Digestion Spike Duplicate <br />SB Spike Blank <br />SBD Spike Blank Duplicate <br />REFERENCE STANDARD OC SAMPLE IDENTIFICATION <br />LLS Laboratory Control Standard <br />RS Reference Standard <br />ICV Initial Calibration Verification Starxla rd <br />LLV Lontinuin9 Calibration Verification Standard <br />ISA/1 SB ICP Interference Check Sample <br />ICL Initial Calibration/Laboratory Lon[rol Sample <br />DSC Distilled Stench rd Check <br />CRI LRDL Lou-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 [he <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 Labora[ori es - Edison, NJ • ED <br />Page 2 <br />..a«..~n....~.oom'wv^w~~•~,. ,.~.~:.. ca. m.~e„wb_....m .............~.....~..~...~.~,~....o~..a..,o.aU..~.o.,..e..o~.,wa.~.m.v.rc,. ~~~,.. am,..,.... oev ao.~.~,..... ~.~,.,,... ,~ <br />~n.d ou ce+v oinw n~yY meeyi~.~wrv um ncune[~an-n~...cn ~ucn ~„or~t~w viwo ue vam ir~m ~nim.n inu gv~f~W mi u~o m~am ~~M4nm wri-artYi MFmn ~wre.Y a~.i. ~m•a row <br />