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r <br /> Sparger" Analytical Laboratory Division <br /> Mobile Laboratory Division <br /> TechnologyInc Scientffic Division <br /> Wrth Autamotion In AAfnrl <br /> r 8020 Modified Matron Spike MS & Matrix Spike Duplicate (MSD) <br /> ' DTEX Analysis Report <br /> Attention Mr John Juhrend Date Sampled Feb 5, 1996 <br /> ' Geocon Environmental Date Received Feb 7, 1996 <br /> 3235 Sunrise Blvd , Ste 6 Date Analyzed Feb 9, 1996 <br /> Rancho Cordova, CA 95742 Invoice# 6254 <br /> 11roject ID S8100-06-11 B Protect Name Stockton Yard <br /> flient ID MS/MSD LAB ID 6254-041 MS <br /> 6254-041 MSD <br /> Matrix Water Dilution <br /> 1 Conc Sample MS MSD MS % MSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> itBenzene 30 ppb ND 30 25 ug/L 100% 83% 18% <br /> Toluene 30 ppb ND 30 24 ug/L 100% 80% 22% <br /> Ethylbenzene 30 ppb ND 28 23 ug/L 93% 77% 20% <br />' Xylenes 30 ppb ND 29 23 ug/L 97% 77% 23% <br />'Surrogate % Recovery of Trifluorotoluene= 79% MS 77% MSD <br /> pb=parts per billion=ug1L=micrograms per liter <br /> pm*parts per million=uglml=micrograms per milliliter <br /> 0=Not Detected Compound(s)may be present at conoenlreuons below the detection limit <br /> r <br /> r <br /> Feb 20, 1996 <br /> R L James,Principal Chemist Dale <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY INC IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALrH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1614) <br /> r <br /> win Fit(- (-trr-lP S(nt,- 112 a Sc7crnow-ntn Canfania 9,5827 - (996) 362-8947 o FAX (946) 362-0947 <br />