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i <br /> 110 2nd Avenue South,#137 Parlicco CA 94553-5560 <br /> MCCampbell Analytical, Inc. 1 Telephone 925-798-1620 Fax 925-798-1622 <br /> 64Website www mccaiMbell corn E-mail matn@mccampbell coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0406242 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 11950 Spiked Sample ID 0406242-005A <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Cntena <br /> pg/L pg1L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(btex)£ ND 60 988 947 424 83 3 852 228 70 130 <br /> MTBE ND 10 94 1 102 824 808 815 0 894 70 130 <br /> Benzene ND 10 105 114 7 74 854 873 227 70 130 <br /> Toluene ND 10 102 108 617 878 892 164 70 130 <br /> Ethylbenzene ND 10 106 112 5 81 901 91 3 1 33 70 130 <br /> Xylenes ND 30 95 963 1 39 903 94 398 70 130 <br /> %SS 101 10 106 111 450 94 965 1 262 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 /> i <br /> I <br /> i <br /> I <br /> i <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100*(MS-Sample)I(Amount Spiked) RPD=100*(MS- MSD)/((M$a MSD)/2) <br /> *MS and I 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 /> £TPH(btex)=sum of BTEX areas from the RD <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 matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> DHS Certification No 1644 'l QA/QC Officer <br />