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10 2nd Avenue South #D7 Pacheco CA94553-5560 <br /> McCampbell Analytical Inc Telephone 925-79&1620 Fax 925-798-1622 <br /> hp <br /> mccampbe3l cam E-mail manna ccampbeil com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> Matrix W WorkOrder 0302315 <br />' EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 5976 Spiked Sample ID 0302297-001A <br /> Sample Spiked MS' MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%} <br /> Compound <br />' NgIL pglL %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 115 114 0 641 976 108 978 70 130 <br /> MTBE 6 591 10 929 918 0 686 101 102 152 70 130 <br />' Benzene ND 10 111 107 386 107 109 172 70 130 <br /> Toluene ND 10 105 102 3 55 102 104 223 70 130 <br />' Ethylbenzene ND 10 115 111 342 Ill 112 154 70 130 <br /> Xylenes ND 30 117 110 588 110 110 0 70 130 <br /> 1 %SS 104 100 977 97 1 0 658 948 957 0 950 80 120 <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 /> 1 r <br /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br />' Deviation <br /> NIA=not enough sample to perform matnx spike and matrix spike duplicate <br /> . NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or <br /> analyte content <br /> %Recovery=100-(MS-Sample)I(Amount Spiked),RPD=100"(MS—MSD)/(MS*MSD)'2 <br /> "MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%ill a)the sample is inhomogenous AND contains significant concentrations of <br />' analyte relative to the amount spiked orb)if that specific sample matrix interferes with s ike recove <br />