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~~I <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: 07/22/98 <br />COMMENTS <br />a) ND = Not detected. NL = Not calculable due to value(s) lower <br />than the detection limit. <br />b) Date in the OA report may differ from final results due to <br />digestion and/or dilution of sartples into analytical ranges. <br />Quality control results ere reported "as analyzed" within <br />the instruments established calibration range. <br />c) The "Time Analyzed" in [he OA report refers to the start time of <br />the analytical batch which may not reflect the actual time of <br />each analysis. The "Dale 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 IDENTi F)CATION <br />MB Method Blank <br />EB Extraction Blank <br />ILB Initial Calibration Blank <br />LCB Continuing Calibration Blank <br />SPIKE OC SAMPLE IDENTIFICATION <br />MS Method (Matrix) 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 DC 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/I SB ICP Interference Check Sanple <br />ICL Initial Calibration/Laboratory Control Sale <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 LODE <br />Core Laboratories - Anaheim, LA • AN <br />Core Laboratories - Casper, NY • CA <br />Core Laboratories - Corpus Christi, TX * CC <br />Core Laboratories - Edison, NJ • ED <br />Page 2 <br />m..w~a en.. ~.>.,i.~..~se ~...a A.w „oo. ~. e.,.e wm..m.,.~.~~..c m,iwi..oa.a or ~~. ~ io .m...a,.i...u w~~o.,m ,~. w. ~.om ~., e.., ~ m...v~r,.,n. m.~ s mw,.u~~ <br />~~,o..,... e.. ~.r~, a ~. ~.m.oe w v~o... ~a.... ~...~,a....,n o,.o~....i.w..~. s mum d.., ~.a...,e..o.m, e..w~....... ie... ~,...~.. wo. m..~. v ow.i,s.~ a <br />