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Spargero Analytical Laboratory Division <br /> Mobile Laboratory" <br /> DivisionTechnoboyincScientific <br /> Division <br /> ' 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> ' Attention Mr Claudio Avila Date Sampled Jun 9, 1994 <br /> Resna Industries, Inc Date Received Jun 10, 1994 <br /> 3164 Gold Camp Drive Suite 200 <br /> Rancho Cordova, CA 95670 <br /> Project ID 123020 01 Project Name Ruiz Grocery, Tracy <br /> ' Client ID MS/MSD LAB ID ST94-06-012 MS <br /> ST94-06-012 MSD <br /> Matrix Water Dilution <br /> Conc Sample MS MSD MS % MSD % % RPD <br /> ' Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 ppb ND 29 28 ug/L 97% 93% 4% <br /> Toluene 30 ppb ND 29 27 ug/L 97% 90% 7% <br /> Ethylbenzene 30 ppb NO 29 26 ug/L 97% 87% 11% <br /> Xylenes 30 ppb NO 29 25 ug/L 97% 83% 15% <br /> Surrogate % Recovery of Trifluorotoluene = 105% MS 105% MSD <br /> ' ppb=parts per billicri=ug/L=mlc ograms per laer <br /> ppm=parts per million=uglml=micrograms per mdlih e <br /> NO=Not Oetected Compounds)may be present at wncentratlons below the detection hrnA <br /> Jun 15 1994 <br /> ' R L James Pnnclpak Chemist Date <br /> SPARGER-=C' :-:Gy ANz_YTICAL LABORATORY INC IS CERT FiED BY-HE STATE OF CAL.FORNIA <br /> ' OEC R E -:)P HEA.-H SERVICES ASA HAZARDOUS W AS-E'EST NG Lr BORATORY <br /> tCemticatuon Ne tb14) <br /> ' 3050 Fite Circle Suite 112 - Sac-=ento California 95827 - (946) 362-8947 0 FAX (916) 362-0947 <br />