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1 <br /> CHEMWEST ANALYTICAL LABORATORIES <br /> TOTAL PETROLEUM HYDROCARBONS - PURGEABLE <br /> CW: CALUFT <br /> Quality Control <br /> Client ID: LQCS GC-5 WT515 CHEMWEST ID: 9796-QC2 <br /> Date Analyzed: 07/10/92 Matrix : Water <br /> Spike % <br /> Compound Conc. Recovery Recovery <br /> ' (ug/L) 9796-MBS 9796-MBSD RPD <br /> Total petroleum Hydrocarbons ------------------------ <br /> - - --- <br /> (Purgeable) 250 104$ 110% 6% <br /> ' ------------------------------------------- <br /> ' Spike % % <br /> Surrogate Conc. Recovery Recovery <br /> (u9/L) 9796-MBS 9796-MBSD <br /> ------------------------- <br /> ' ------20-------106%-- <br /> Bromof luorobenzene ------------------____ <br /> 106�k 110% <br /> ------------------ <br /> ----------------- <br /> CALUFT• ---------------------- <br /> . See Narrative <br /> 1 <br /> 1 <br /> 1 <br /> ' <br /> Approved by: �rlT Date Reported: <br /> 07/28/92 REV 5: 1. 90 <br /> 1 <br />' COMPUCHEM WESTERN MISION <br />