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MATRIX ENVIRONMENTAL LABORATORIES <br /> ANALYSIS Volatile Organic Analytes EPA Method M8240 <br /> ' CLTENT Walsh <br /> CONTACT J Clayton Date Sampled 816193 <br /> ' COC No 4071 Date Received 8/6/93 <br /> Project No 1685-010 Date Extracted 8/18/93 <br /> Sample ID N/A Date of Analysis 8/18/93 <br /> Lab ID Method Blank Matrix SOIL <br /> File G2901.D <br /> ' SURROGATE RECOVERY <br /> ' <br /> Surrogate Amount Spike %Recov <br /> 1,2-dichloroethane-d-4 254 500 508 <br /> toluene-d8 376 500 75 1 <br /> 4-bromofluorobenzene 51 0 500 1019 <br /> Surrogate Recovery Range= 50 - 150 <br /> page 2 <br />