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i <br /> aCesu , <br /> i to t a R P n e A r e n REPORT OF LABORATORY ANALYSIS <br /> TME ASSURANCE OF OUALtTY <br /> L <br /> Mr. Markus Niebanck QUALITY CONTROL DATA August 09 1993 <br /> Page 33 J PACE Project Number: 430727510 <br /> LClient Reference: 7-226 <br /> EXTRACTABLE ORGANICS BY EPA 625 (GC/MS) <br /> Batch: 70 23475 <br /> Samples: 70 0121442, 70 0121450, JO 0121469, 70 0121477, 70 0121485 <br /> LMETHOD BLANK: <br /> Method <br /> EParameter ,; Units MDL Blank <br /> Terphe�-dl4 (Surrogate Recovery) - <br /> 2-Fluorophenol (Surrogate Recovery) 79%. - <br /> LPhenol-d6 (Surrogate Recovery) 91%, <br /> 2,4,6-Tribromophenol (Surrogate Recovery 85% <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE. DUPLICATE: <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> L1�Dic1Torobenzene ug/L. 10 100 64% 079 4% <br /> N-Nitroso-di-n-propylamine ug/L 10 100 :7 1% 72% 1% <br /> 1,2,4-Trichlorobenzene ug/L 10 100 68% ` 73% 7% <br /> Acenaphthene ug/L. . 10 100 75%, 74% 1% <br /> 2,4-Dinitrotoluene ug/L. 10 . 100 79% 80% 1% <br /> Pyrene ug/L 10 100 85% 71% 17% <br /> Phenol ug/L 10 150 77% 76% 1% <br /> 2-Chlorophenol ug/L:. 10 150 73% 76%- - 4% <br /> 4-Chloro-3-methylphenol ug/L 10 150 79% 79% 0% <br /> L4-Nitrophenol ug/L.. 50 150 125% 99% 23% <br /> Pentachlorophenol ug/L 50 150 100% 95% 5% <br /> L <br /> L <br /> L11 Digital Orive An Equal Opportunity Employer <br /> Novato,CA 94949 <br /> TEL:415-883.6188 <br /> FAX:415.983.2673 <br />