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CHROMALABINC. Submission M 2000-03.0366 <br /> Environmental Services(SDB) <br /> j <br /> To: CH2M HIII-Oakland Test Method: 8015M <br /> 8020 <br /> Attn:Keith Sheets Prep Method: 5030 r <br /> i <br /> Legend& Notes <br /> Gas/BTEX j <br /> Notes <br /> r <br /> Recoveries for Lab Control Standard and.Duplicate were outside our standard limits for <br /> Benzene,Toluene,and Ethyl Benzene. Also, continuing calibration verification sample <br /> (CCV)showed similar characteristics. Sample could not be re-analyzed due to limited <br /> sample. Results for these three compounds are estimated. Estimated results are <br /> supported by similar data from GUMS analysis run on the samples. <br /> Test results for Gasoline and xylenes are within standard limits,and are not estimated. <br /> QC Sample Notes ` <br /> Laboratory Control Spike(Lab#2000103125-01.05-005) <br /> Btex concentrations are estimated due to ccv failing <br /> Laboratory Control Spike Duplicate(Lab#2000103125-01.05-006 ) <br /> Btex concentrations are estimated due to ccv failing <br /> Method Blank( Lab#2000103125-01.05-004) <br /> Btex concentrations are estimated ND due to a failing purgable CCV <br /> , <br /> Analysis Notes <br /> CPT-11 4(l (Lab#2000-03-0366-001 ) <br /> c-The concentrations reported for Benzene,Toluene,and Ethyl Benzene are estimated y <br /> due to low batch spike recoveries. insufficient sample to reanalyze. <br /> CPT-14(94)(Lab#2000-03-0366-002 ) <br /> c-The concentrations reported for Benzene,Toluene,and Ethyl Benzene are estimated <br /> due to low batch spike recoveries. Insufficient sample to reanalyze. <br /> Analyte Flags j <br /> 9 <br /> Hydrocarbon reported in the gasoline range does not match our gasoline standard. <br /> �I <br /> 1220 Quarry Lane*Pleasanton,CA 94586.4756 <br /> Telephone:(925)484-1919*Facsimile:(925)484-1096 { <br /> Printed on:03128/2000 17.17 Page 6 of 6 <br />