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1 <br /> C H RO MAL.AB, INC. Submission #. 2000.09-0053 <br /> Environmental Services(SDB) <br /> To Hydro Environmental Tech Test Method 8020 <br /> Attn Cynthia Avaklan Prep Method 5030 <br />' Batch QC Report <br /> Gas/BTEX <br />' Matrix Spike ( MS!MSD ) Water QC Batch#2000/09107-01 05 <br /> Sample ID 000901 1445 Lab Sample ID 2000-09-0053-001 <br />' MS 2000109107-01 05-004 Extracted 09/07/2000 22 44 Analyzed 09/07/2000 22 44 Dilution 1 0 <br /> MSD 2000/09107-01 05-005Extracted 09/07/2000 23 17 Analyzed 09107/2000 23 17 Dilution 1 0 <br />' Compound Conc. [uglL] Exp Conc ug1L] Recovery[% RPD "655-13520 <br /> gs <br /> MS MSD Sample MS MSD MS MSD [%] MSD <br />' Benzene 116 113 ND 1000 1000 1160 1130 26 <br /> Toluene 103 930 ND 1000 100 0 1030 930 102Ethyl benzene 104 954 ND 1000 1000 1040 954 86 <br /> Xylene(s) 296 275 ND 300 300 987 917 74 65-135 20 <br />' <br /> Surrogate(s) <br /> Tnfluorotoluene 539 480 500 500 10781 960 58-124 <br /> 1 <br /> 1 <br /> 1220 Quarry Lane'Pleasanton CA 94566-4756 <br /> Telephone (925)484-1919'Facsimile (925)484-1096 <br /> Printed on 09/08/2000 15 18 Page 7 of 7 <br /> 1 <br />