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' 1 10 2nd Avenue South #177 Pacheco CA 9453 5560 <br /> E:::McC7pbel1 Analytical Inc Telephone 925-798-1620 Fax 925-796 1622 <br /> Ihitp llwww mccampbell coin L mail main{a mccaanpbell cool <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0312544 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 9678 Spiked Sample ID 0312545-005B <br /> Sample Sprked MS` MSD` MS-MSD LCS LCSL) LCS-LCSD Acceptance Cnteria(%) <br />' pq/L pg/L %Rec % Rec %RPD % Rec % Rec %RPD Low High <br /> tert-Amy]methyl ether(TAME) ND 10 101 996 1 19 763 798 444 70 130 <br />' t-Butyl alcohol(TBA) ND 50 953 947 0 671 944 95 8 139– 70 _ ' 130 — <br /> 1,2-Dibromoethane(EDS) ND 10 104 105 0 661 98 8 972 1 69 70 130 <br /> 1,2-Dic1loraethane(1,2-DCA) ND 10 117 119 1 10 951 1111 543 70 130 <br /> Dusopropyl ether(DIPS) ND 10 117 116 0 591 105 107 259 70 130 <br /> Ethyl tert-butyl ether(ET13E) ND 10 106 105 0 543 901 923 238 70 130 <br />' Methyl-t butyl ether(MTBE) ND 10 103 105 1 93 967 989 221 70� 130 A <br /> %SSI 989 10 926 925 00750 102 106 3 08 70 130 <br />' All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> 0 <br /> I <br /> MS=Matrix Spike MSD=Matnx Spike Duplicate LCS=Laboratory Control Sampfe LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> Recovery=100'(MS Sample)1(Amount Spiked) RPD=100`(MS MSD)I((MS f MSD)12) <br /> i <br /> I "MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> N/A=not enough sample to perform matrix spoke and matrix spike duplicate <br /> NR=analyte concentration m sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 �QA/QC Officer <br /> I <br />