Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650) 364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)98.8-9600 FAX(925)988-9673 <br /> 1119 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-010 0 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> i <br /> ATC Associates, Inc Client Project ID Stock Fire Stat #2 62574 0001 <br /> 1117 Lone Palm Avenue <br /> Modesto, CA 95351-1502 <br /> Attention Jeanne Homsey QC Sample Group 9812F36-02 Reported Jan 11 1999 <br /> QUALITY CONTROL DATA REPORT <br /> Matrix Liquid <br /> Method EPA 8015 <br /> Analyst BTF <br /> ANALYTE Gasoline <br /> QC Batch # GCO10498BTEX02A <br /> Sample No GW9812F36-02MS <br /> Date Prepared 1/4/98 <br /> Date Analyzed 114/98 <br /> Instrument I D # GCHP02 <br /> Sample Cone ug/L N D <br /> Cone Spiked, ug/L 250 <br /> Matrix Spike, ug/L 250 <br /> • % Recovery 100 <br /> Matrix <br /> Spike Duplicate ug/L 220 <br /> % Recovery 89 <br /> Relative % Difference 12 <br /> RPD Control Limits 0-25 <br /> LCS Batch# GCO10498BTEX02A <br /> Date Prepared 114198 <br /> Date Analyzed 114198 <br /> Instrument I D # GCHP02 <br /> Cone Spiked ug/L 250 <br /> LCS Recovery ug/L 30TC2— <br /> LCS % Recovery <br /> Percent Recovery Control Limits <br /> F- <br /> MS/MSD 60140 <br /> LCS 70 130 <br /> Quality Assurance Statement All standard operating procedures and quality control requirements have been met <br /> Please Note <br /> The LCS is a control sample of known interferent tree matrix that is analyzed using the same reagents <br /> �EQUOIA ANALYTICAL _ preparation and analytical methods employed for the samples The matrix spike is an aliquot of sample <br /> fortified with known quantities of specific compounds and subjected to the entire analytical procedure if <br /> the recovery of analytes from the matrix spike does not fall within specified control limas due to matrix <br /> ,r y interference the LCS recover ss to be used to validate the batch <br /> Kayvasl'fCim <br /> Plsject Manager <br />