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110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> Inc.McCampbell Analytical, Telephone 925-798 1620 Fax 925-798-1622 <br /> Website www mccampbell com E-mail main@mccampbcll com <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0507231 <br /> EPAMethod SW8021Bl8015Cm Extraction SW5030B BatchlD 17169 Spiked Sample ID 0507235-001A <br /> Analyte Sample P60 <br /> ked MS MSD MS-MSD LCS LCSD "RP <br /> Acceptance Criteria(%) <br /> pglL g/L %Rec % Rec % RPD % Rec %Rec MS/MSD LCS/LCSD <br /> TPH(btex)£ ND 101 104 300 969 91 6 565 70- 130 70-130 <br /> MTBE ND 10 936 94 0 424 903 917 1 55 70-130 70- 130 <br /> Benzene ND 10 107 106 101 959 91 9 427 70- 130 70-130 <br /> Toluene ND 10 110 110 0 997 954 439 70-130 70-130 <br /> Ethylbenzene ND 10 117 119 1 25 104 993 496 70-130 70-130 <br /> Xylenes ND 30 107 107 0 107 967 984 70-130 70- 130 <br /> %SS 104 10 113 110 254 101 98 3 16 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 17169 SUMMARY <br /> ample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 507231-005A 7114105 1 20 PM 7/20105 7120/05 5 38 PM 0507231-006A 7/14105 3 29 PM 7120/05 7120/05 6 12 PM <br /> 0507231-007A 7/14/05 1 54 PM 7120/05 7/20/05 5 42 AM 0507231-008A 7/14/05 2 00 PM 7120105 7/20/05 7 54 AM <br /> 0507231-009A 7/14/05 2 47 PM 7120/05 7/20/05 8 27 AM 0507231-OIOA 7114/05 2 07 PM 7/20105 7/20/05 3 12 AM <br /> MS=Matrix Spike,MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br /> %Recovery=100*(MSSample)l(Amount Spiked) RPD=100*(MS- MSD)1((MS+MSD)1 2) <br /> MS/MSD spike recoveries and!or%RPD may fall outside of laboratory acceptance cntena due to one or more of the following reasons a)the sample is inhomogenous AND <br /> 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 /> Comatogram,sample peak coelutes with surrogate peak <br /> icable or not enough sample to perform matrix spike and matrix spike duplicate <br /> Nconcentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or analyte content <br /> DHS Certification No 1644 f. QA./QC Officer <br />