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ODIr RN ILCC�II)IIC!)INI .. <br /> A CERTIFICATE OF ANALYSIS <br /> nalytics/ Labdratary <br /> d Gary Kramer Friday,Judy.30, 1999 <br /> Geomatrix Consultants <br /> 2444 Main Street, Suite 215 <br /> Fresno CA 93721-2734 <br /> Sample Information <br /> Sample ID: PE5527-OIA Sample Type: Grab <br /> E• <br /> Sample Description: MW 5-1 Project Name: Port of Stockton Site##3 <br /> Date/Time Sampled: 7/9/99 11:10:00 AM Sample Matrix: Ground Water <br /> ANALYTICAL RESULT -OC REPORT <br /> _ Date LCS Spike MS Spike <br /> �Test Parameter Method DLR Unit Y Result Dilution Analyzed Cone. LCS% MS% MSD RSD/ <br /> � � _ z Blank _ Con_c. _ ° <br /> Methyl t-Butyl Ether(MtBE) EPA8260 5 ugIL ND 1 10--Jul-99 ND 40 98.8% 40 -102.5%° 100.0%0 -j 0.6% <br /> Diisopropyl ether(DIPS)- EPA8260_ M 5-Y uglKg ND 1 10-Jul-99 ND 40 100.0% 40 1025% 97.5% 1.3% <br /> Ethyl-t-butyl ether(E-TBE) EPA8260 5 ug/Kg ND 1 10-Jul-99 ND 40 300.0% 40 97.5% 102.5% 1.3% <br /> Tert-amyl methyl ether(TAME) EPA8260 5 ug/Kg ND 1 10-Jul-99 ND 40 100.0% 40 98.8% 100.0% 0.3% <br /> } <br /> t-Butanol(TBA) EPA8260 50 ug/Kg ND 1 10-Jul-99 ND 40. 97.5% 40 102.5% 104.09 0.4% <br /> 7 mg/L=milligrams per Liter=ppm DLR-Detection Limit for the Purpose of RSD-represent relative percent different(RPD)behieen.duplicates spike of samples <br /> p{I ug/L=micrograms per Liter—ppb - Reporting. F..cceptional:sample matrices or or DrtplicnteofSample <br /> interfereneces may result in higher detection MS/MSD-mensure o the percent recovery efficiencies within the matrix <br /> C=Composite G—Grab f p ry f)" <br /> - limits <br /> { <br /> LCS-measure of the percent recovery of the Laboratory Control Spike(LCS) <br /> RESPE TFULLY UB ITTED, <br /> Jonathan Hao V. .Le, Laboratory Director <br /> 3 <br /> i <br /> EPA-En.vironmcnral Protection AgencY Method. - W w. __,. ., .__. ._._Page 1 of 1 <br /> Y ,SAf-SlhndnrdA4ctlrndforL:zaminRtionv� r� t� , �►� �-�i,+{r�I t, SlJRifi A Stockton. CA 95204 Tel.: (209) 462-0892 Fax: (209) 462-7935 <br />