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110 2nd Avenue South 4137 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925 798 1622 <br /> Website www mccainpbell coin E mail main a mccampbeli coin <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0403195 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 10722 Spiked Sample ID 0403199-001A <br /> Sample Spiked M5' MSD` JMS-MSD LCS LCSD !LCS-LCSD Acceptance Criteria(%} <br /> pglL pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(btex)£ ND 60 983 102 3 72 103 101 195 70 130 <br /> MTBE ND 10 101 97 366 104 973 632 70 130 <br /> Benzene ND 10 112 109 - 267 109 107 222 - 70 130 <br /> Toluene ND 10 105 102 238 103 102 174- -- 70 130 <br /> Ethylbenzene ND 10 108 109 0 415 110 t07 ? 209 70 130 <br /> Xylenes ND 30 96 100 408 100 _ 963 374 —70 - 130 <br /> %SS - --Y 100 10 110 106 — 3 92 103- - 102 0 256 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 /> MS�Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPO=Relative Percent <br /> Deviation <br /> %Recovery=1o0'(MS Sample)/(Amount Spiked) RFD=100'(MS- MSD)/((MS+MSD)/2) <br /> MS and 1 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 FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentrairan m sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> DHS Certification No 1644 �QA/QC Officer <br />