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1102nd Avenue South 11137 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925 798 1620 Fax 925-798-1622 <br />' Website www mccampbell com E mail main®mccampbell cam <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br />' W O Sample Matrix Water QC Matrix Water WorkOrder 0503533 <br /> EPA Method SWti021 B18015Cm Extraction SW5030B BatchlD 15654 Spiked Sample ID 0503533-013A <br />' Analyte Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria (%) <br /> pg/L lig/L % Rec % Rec %RPD % Rec %Rec %RPD MS/MSD LCS I LCSD <br />' TPH(btex)£ ND 60 982 936 490 986 93 5 5 27 70-130 70-130 <br /> MTBE ND 10 102 105 218 92 102 981 70-130 70- 130 <br />' Benzene ND 10 111 112 0 271 104 117 122 70- 130 70-130 <br /> Toluene ND 10 106 106 0 999 110 941 70-130 70- 130 <br />' Ethylbenzene ND 10 106 106 0 100 111 998 70-130 70-130 <br /> Xylenes ND 30 91 3 903 1 10 903 95 3 5 39 70- 130 70- 130 <br /> %SS 97 10 114 116 1 85 1 i0 118 6 57 70-130 70- 130 <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 /> BATCH 15654 SUMMARY <br />' Sample ID Date Sampled Date Extracted Date Analyzed Sample M Date Sampled Date Extracted Date Analyzed <br /> 503533-002A 3/29105 8 59 AM 4102/05 7 52 AM 4/02/05 7 52 AM 0503533-003A 3/29/05 9 18 AM 4102/05 8 25 AM 4/02/05 8 25 AM <br /> 0503533-004A 3/29/05 9 38 AM 4102/05 8 57 AM 4102105 8 57 AM 0503533-005A 3/29/05 10 01 AM 4102/05 10 03 AM 4/02/05 10 03 AM <br />' 0503533-006A 3/29105 10 24 AM 4102/05 t0 36 AM 4102/05 10 36 AM 0503533-007A 3129/05 11 30 AM 4102/05 9 43 PM 4/02105 9 43 PM <br /> 0503533-008A 3129/05 12 01 PM 4/02/05 11 09 AM 4102105 11 09 AM 0503533-009A 3129105 12 23 PM 4/02/05 11 41 AM 4/02/05 1141 AM <br /> 050353MIOA 3/29/05 12 47 PM 4/02/05 12 14 PM 4/02105 12 14 PM 0503533-011A 3/29105 1 12 PM 4102/05 10 15 PM 4102/05 10 15 PM <br /> 0503533-011A 3/29105 1 12 PM 4104/05 5 16 PM 4104/05 5 16 PM 0503533-012A 3/29105 1 35 PM 4/02105 12 47 PM 4/02/05 12 47 PM <br />' 0503533-013A 3/29/05 12 35 PM 4/02105 1 20 PM 4/02/05 1 20 PM 0503533-014A 3129/05 12 50 PM 4/02105 1 23 AM 4/02/05 1 23 AM <br /> 0503533-015A 3129/05 1 05 PM 4/01/05 10 40 PM 4101105 10 40 PM 0503533-016A 3/29/05 1 20 PM 4/01105 11 12 PM 4/01/05 11 12 PM <br /> 0503533-017A 3129105 1 41 PM 4101/05 11 45 PM 4/01105 11 45 PM 0503533-018A 3/29/05 2 02 PM 4/02105 12 50 AM 4/02/05 12 50 AM <br /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br />' %Recovery=100*(MS-Sample)/(Amount Spiked) RPD=100*(MS- MSD)I((MS+MSD)12) <br /> *MS/MSD spike recoveries and 1 or%RPD may fall outside of laboratory acceptance criteria due to one or more of the fol[owing reasons a)the sample is inhomogenous <br /> AND contains significant concentrations of analyte relative to the amount spiked orb)the spiked samples matrix interferes with the spike recovery <br />' £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 4�A=not applicable or not enough sample to perform matrix spike and matrix spike duplicate <br />' NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or analyte content <br />' DHS Cerl ficatwn No 1644 QA/QC Officer <br />