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1 <br /> Inc,. :--- 110 2nd Avenue South,#117,Pacheco CA 94553 5560 <br />' -----�-McCampbell Analytical, "`� "'��-Tok n _ 25-7991620—fax 925.7961622 y -- <br /> (� Website waw mecanqkelLZam E+miLnwn(alimcinglxll com <br />' QC SUMMARY REPORT FOR SW8021B/801SCm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0509298 <br />' EPA Method SW8021B1801SCm Extraction SW5030B BatchlD 17998 Spiked Sample ID 0509297-003A <br /> Sample Spiked MS MSD MS-MSc) LCS LCSD LCS-LCSD Acceptance Catena <br /> Analyte <br /> Ng1L I1g1L %Rec %Rec %RPD %Ree %Rec I %RPD MS/MSD LCS 1 LCSD <br />' TPH(btex)t ND 60 110 113 3 17 106 107 0 747 70 130 70- 130 <br /> MTBE ND 10 998 106 645 958 SOL 500 70-130 70- 130 <br />' Benzene _ ND 10 918 lot 982 915 958 460 70-130 I 70 130 <br /> Toluene ND 10 934 103 950 91 949 4 2 t 70-130 I 70-130 <br /> Ethylbenzene ND 10 958 104 I 799 934 966 333 70 130 70- 130 <br />' Xylenes ND 30 99 3 103 }'— 3 95 _ 95 99 412 70 130 70-110 <br /> %SS 113 10 94 100 6 46 96 99 232 70-130 70-130 <br />' All target compounds to the Method Blank of this extraction batch were NO less than the method RL with the following exceptions <br /> NONE <br /> BATCH 1799§SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br />' •0509298-0OIA 9113105 11 35 AM 9115105 9115105 11 35 PM�0509298 002A 9/13/05 11 LO AM 9116/05 9116/05 12 04 AM <br /> 0509298-003A 9113105 It 20 AM _ 9116105 _ 9116105 12 34 Alva l 0509298-004A 9113105 11 00 AM 9116/U5 _ 9116105 l 34 AMr <br />' MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPO=Relative Percent Deviation <br /> %Recovery=100'(MSSampie)I(Amount Spiked),RPD=100•(MS- MSD)f((IVIS f MSD)!2) <br />' MS I MSD spike recoveries and I or%RPD may Fall outskle of laboratory acceptance criteria due to one or more of the following reasons a)the sample is Inhomogenous AND <br /> contains significant ooncentrabons of analyte relative to the amount splked or b)the spiked sampie'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 /> WA R not applicable or not enough sample to perform matnx spike and matnx spike duplicate <br /> R=anal a concentratxxr In sample exceeds-P11.amount for soil malnx or exceeds 21,spike amount for water mains or sample diluted due to h h matrix or anal ,Content <br />' DHS Certification No 1644 Lff ,QA/QC Officer <br /> 1 <br />