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EXLELLHEM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 <br /> tRoseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 7773-4784 <br /> 0A/0C REPORT <br /> 1 <br /> Attention Nfr Philip Cox BTEX -knalyzed 06-04-96 <br /> VERSAR Nfatnx Soil <br /> 7844 Madison Avenue, Suite 167 <br /> Fair Oaks, CA 95628 <br /> Project 4 3372-001 /DSA Stockton <br />' Ethyl- Total. <br /> Benzene Toluene benzene Xylenes <br /> PPM PPM PPiV1 PPM <br /> Reporting Limit 0 005 0 005 0 005 0 005 <br /> QA/QC P ARAMETER <br /> Matrix Blank ND ND ND ND <br /> PERCENT RECOVERIES <br /> Matnx Spike 98% 98% 9801% 99% <br />' <br /> Matrix Spike 9� �o 30 93% 93% 94% <br />' Duplicate <br /> Mm—parts perminion—mg kg-milligram per kdognm <br /> ND -Not detected Compuund(s)may be present at�0110-111 hums]klo+%Ih,rcportulg 111111( <br /> All surrogate recoveries were within 30%of target--doe+. <br /> Spikes&Spike Duplicates were each spiked with 250 nr.IITE.\standard <br /> UNALYTICAL PROCEDURES <br /> BTF—N—Benzene toluene ethAbenzme and total"kne Isomers(BTE.\) ,rc m,asured by e\'tra�awn uamg EPA Method 3030 followed by analysts <br />' usmg EPA Method 8020%whish utilizes a gas,hromatograph(GC)ryuipped with a phu(otuntzatlon tietcuor(PID) <br /> I06-11-96 <br /> tlwori-K�epresentative Date Reported <br />' E\CLLCHChi ENVIRONh1ENTAl L\BS Is CERTIFIED BY TM STATEQFCALIFQRNIA <br /> DEP 1%K'r%IrNTOF HF-\LTf t SER%ILU5 L5 A H\4aI.DOt1S IVA,y7tTFSTING LAII&)RATORY <br /> SC.nduaexn h17oQ '_I l�S <br />