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W perior <br /> _ Analytical Laboratory <br /> r <br /> EPA SW-846 Method 8270 Semivolatile Organics by GC/MS <br /> Quality Assurance and Control Data <br /> _ Laboratory Number: 22212 <br /> Method Blank(s) <br /> CL181.24-09 <br /> Conc. RL <br /> ug/Kg <br /> r <br /> » Surrogate Recoveries (1) << <br /> 2-fluorophenol 89 <br /> phenol-d5 84 <br /> nitrobenzene-d5 84 <br /> 2-fluorobiphenyl 87 <br /> `2,4,6-tribromophenol 72 <br /> terphenyl-dl4 107 <br /> _ <br /> r <br /> r <br /> Page 7 of 9 <br />