Laserfiche WebLink
Sequoia <br />,5)-819 <br />low Analytical <br />680 Chesapeake Redwood CityCityCA 94 <br />404 N 4Viget lanea Walnut Creek. U 9459898 <br />Striker Avenue Suite 8 Sacramento CA 95834 <br />1455 McDowell Blvd North, Ste D Petaluma, CA 94954 <br />(650) 354-9600 <br />(925) 988-9600 <br />(916) 921-9600 <br />(707) 792-1865 <br />FAX (650) 364-9233 <br />FAX (925) 988-9673 <br />FAX (916) 921-0100 <br />FAX (707) 792-0342 <br />Wer -Ryan - Dublin <br />Client Project ID <br />Chevron #9-5775, Lodi <br />2/18/99 <br />Instrument I D # <br />6747 Sierra Court, Suite J <br />Matnx <br />Solid <br />Matrix Spike <br />Dublin, CA 94568 <br />128 <br />Matrix Spike <br />Duplicate % <br />Attention Barbara Sierninskl <br />QC Sample Group <br />9020875-892 <br />Reported <br />Mar 1, 1999 <br />V ^ v - Z ^' <br />3 2 <br />- <br />QUALITY CONTROL DATA REPORT <br />ANALYTE <br />MTBE <br />Method <br />EPA 8260 <br />Analyst <br />N Nelson <br />MS/MSD <br />LCS020499B <br />Batch# <br />9020056 <br />Date Prepared <br />2/4/99 <br />Date Analyzed. <br />2/18/99 <br />Instrument I D # <br />GC/MS-2 <br />Conc. Spiked <br />2500 ug/kg <br />Matrix Spike <br />% Recovery <br />128 <br />Matrix Spike <br />Duplicate % <br />Recovery <br />124 <br />Relative % <br />Difference <br />3 2 <br />LCS Batch#, <br />LCS020499B <br />Date Prepared• <br />2/4/99 <br />Date Analyzed: <br />2/18/99 <br />Instrument I D # <br />GC/MS-2 <br />LCS % <br />Recovery <br />108 <br />Recovery <br />Control Limits: 70-130 <br />QI}QIA ANALYTICAL, #1271 <br />ullanne Fegley <br />Project Manager <br />lease Note <br />The LCS is a control sample of known, interferent free matnx that is analyzed using the same reagents, <br />)reparation, and analytical methods employed for the samples The matrix spike is an aliquot of sample <br />orhfied with known quantities of specific compounds and subjected to the entire analytical procedure n <br />he recovery of analytes from the matrix spoke does not fall within specified control limits due to matrix <br />nterference, the LCS recovery is to be used to validate the batch <br />9020875 GET <16> <br />