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z,t n, Iv <br /> 1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925-798-1622 <br /> Website www mccampbell cum E-mail mamQmccampbell com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0506567 <br /> EPAMethod SW8021BI8015Cm Extraction SW5030B BatchlD 16931 Spiked Sample ID 0506563-OISA <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> pg/L pg1L % Rec % Rec % RPD % Rec % Ree % RPD MS!MSD LCS/LCSD <br /> TPH(btex)£ ND 60 94 3 116 20 3 105 101 3 20 70-130 70- 130 <br /> MTBE ND 10 935 976 422 971 98 0 977 70- 130 70- 130 <br /> Benzene ND 10 93 89 437 936 102 856 70-130 70-130 <br /> Toluene ND 10 903 828 869 878 927 546 70-130 70- 130 <br /> Ethylbenzene ND 10 93 1 922 101 962 99 280 70- 130 70- 130 <br /> Xylenes ND 30 81 7 907 104 96 963 0 347 70-130 70- 130 <br /> %SS 103 10 105 92 12 9 95 1 100 4 88 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 /> NOME <br /> BATCH 16931 SUMMARY <br /> Sample ID Dale Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0506567-001A 6128!05 12 54 PM 7102105 7102105 9 14 PM 1 0506567-002A 6/28105 12 35 PM 7102105 7102105 9 47 PM <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviatson <br /> %Recovery=100"(MS-Sample)!(Amount Spiked) RPD=100'(MS- MSD)!((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 following reasons a)the sample is inhomogenous <br /> AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample s 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 /> NIA=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 matnx or analyte <br /> content <br /> DHS Certification No 1644 �(flii QA/QC Officer <br />