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110 2nd Avenue South,#D7 Pacheco CA 94551-5560 <br /> 4McCampbell Analytical, Inc. Telephone 925 798 1620 Fax 925 798 €622 <br />' Website www mccanrpbell corn E mail mam(yhnceanipbell corn <br /> 0 QC SUMMARY REPORT FOR SW8021B/8015Cmnl <br />' W O Sample Matrix Water QC Matrix Water WorkOrder 0506512 <br />' EPA Method SW8021BI13015Cm Extraction 8W5030B BalchID 1611113 Spiked Sample ID 0506512-008A <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria <br /> Analyte (°/a) <br /> T <br /> pg/L pg1L %Rec % Rec a/a RPD % Rec %Rec % RPD MS/MSD LCS I LCSD <br />' TPH(btex)E ND 60 949 96 109 923 91 6 0 783 70- 130 70 130 <br /> MT13E ND 10 104 106 1 52 112 112 1 0 70- 130 , 70-130 <br />' Benzene ND 10 89 4 91 l 79 95 2 95 0 154 70- 130 1 70- 130 <br /> Toluene _ ND 10 909 92 2 148 96 96 0 70- 130 1:7�0-130 <br /> I Ethylbenzene ND 10 93 l 943 129 98 9 97 5 1 39 70-130 70 130 <br /> Xylenes ND 30 95 957 0 699 1 100 997 0 334 70-130 70-130 <br /> %SS 109 10 94 1 95 0 138 1 97 97 0 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 16883 SUMMARY <br /> ample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 06512 OOIA 6127105 12 10 PM 6130105 6130105 10 29 PM 0506512-002A 6/27105 8 26 AM 6/30105 6130105 10 59 PM <br /> 0506512-003A 6/27105 S 39 AM 6130/05 6130105 11 29 PM 0506512-004A 0/27105 8 54 AM 7/01/05 7/01105 12 59 AM <br /> 0506512 OOSA 6127105 9 10 AM 7/01105 7101/05 2 57 AM 0506512-006A 6127/05 9 29 AM� 7/01105 7101/05 6 17 AM <br /> I <br /> NH5=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100'(MS- MSD)I((MS+MSD)12) <br /> MS/MSD spike recoveries and 1 or%RPD may tall outside of laboratory acceptance criteria 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 or b)the spiked sample's matrix Interferes with the spike recovery <br /> £TPH(blex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutos with surrogate peak <br /> PA=not applicable or not enough sample to perform matrix spike and matrix spike duplicate <br /> INR=analyte concentration in sample exceeds spike amount for sort matrix or exceeds 2x spike amount far water matrix or sample diluted due to high matrix or ana a content <br /> DHS Certification No 1644 f QA/QC Officer <br /> I <br />