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110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> i McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http/1wwwrnccarnpbeIlcom Email main rQmccamphelk com <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matnx W WorkOrder 0303039 <br /> EPA Method SW8021BI8015CM Extraction SW50308 Batch[D 6061 Spiked Sample ID 0303026-001A <br /> Sample Spiked MS" MSD; MS-MSI]' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> NgIL pg/L % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 112 101 103 984 105 680 80 120 <br />' MTBE ND 10 894 876 200 844 856 134 80 120 <br /> Benzene ND 10 111 110 0 802 92 923 0 395 80 120 <br /> Toluene ND 10 106 106 0 521 872 875 0 342 80 120 <br />' Ethylbenzene ND 10 114 114 0 311 924 946 237 80 120 <br /> Xylenes ND 30 113 113 0 887 927 441 80 120 <br />' %SS 105 too 107 107 00201 961 976 151 80 120 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> I <br /> I <br /> I <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD W Relative Percent <br />' 0 Deviation <br /> NIA=not enough sample to perform matrix spike and matnx spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br />' %Recovery=100'(MS-Sample)1(Amount Spiked),RPD=100`(MS—MSD)/(MS+MSD)'2 <br /> 'MS and I or MSD spike recoveries may not be near 100%or the BPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br />' analyte relative to the amount spiked or b)if that speu0c sample matrix interferes with spike recovery <br />