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98/26/2863 14 42 2694671118 AGE STOCKTON PAGE 11/16 <br /> 1 IQ M Avenue South#D7 Pacheco,CA 94533-55W <br /> McCampbell Analytical Inc Telephone 925-798-162D Fax 925 796 1622 <br /> h"'//www mrx bell c(Hn FTtrtnl rMrnC%hTMcqftwbgI1 com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0308037 <br /> EPA Method SW8021B/801SCm Extraction SW50308 Batch 10 8086 Spiked Sample 10 0308037-002A <br /> Sample Spiked MS- MSD' MS-MSD' LCS LCSR LCS-LCSD Acceptance Critorla(%) <br /> pg/L Ng/L %sec %Rec %RPD %Rec %Ree %RPD LOW high <br /> 1 PH(htcx) NA 60 114 109 480 110 110 0 70 in <br /> MTpB ND 10 108 110 132 �J101 103 206 70 130 <br /> Rt n�enc -ND l0 105 979 696 981 100 195 70 130 <br /> Toluene ND 10 926 91 5 1 2492 9 942 1 37 70 130 <br /> Ethylbencene — ---- ND ^10 T 102 991 294 103 104 0672 70 130 <br /> Xylcncs NO 30 95 91 3 304 953 953 0 70 130 <br /> %SS - �- 094 100 98 P 991 0 288 - 992 995 0 345 70 130 <br /> All target compounds to the Method Blink of this exlrwuon hatLh were ND tcsv than the method RL With the Collowtng exceptions <br /> NONE <br /> MS=Metnx Spike MSD=Matrix Spike Duplicate,L-'S=Laboratory Control Sample LCS4=Laboratory Conlrof Sample Duplicato,RPD=Relative Percent <br /> Deviation <br /> %Recovery=700"(MS-Sample)r(Amount Spiked),RPO=100-(MS-Mu150)I(MS+MSD)•2 <br /> .MS and I or MSD spike mwYanes may not be near 100%Cr the BPDs near 0%If a)the sample Ig inhomoganous AND Contains slgnlfrt nt concentrations of <br /> analyte Mlatrva to the amouttt spiked or b)If that spoe fie sample matrix interferes with spike recovery <br /> £TPH(btex)=Sum of BTFX areas from the FID <br /> #Guttered rhromalogram sample peak coelutes with surrogate peak <br /> NSA=not enough sample to perform rnatmc spike and matrix spike du;Ac8te <br /> NR!t analyte cOncentrebOA in sample exadeAs Spike amount for sail matrix or exceeds 2c spike amount for water metrlx Or sample dllu[ed due to high matrix or <br /> anamoContent <br /> (I <br />